1 /*
2  * kmp_settings.cpp -- Initialize environment variables
3  */
4 
5 //===----------------------------------------------------------------------===//
6 //
7 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
8 // See https://llvm.org/LICENSE.txt for license information.
9 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #include "kmp.h"
14 #include "kmp_affinity.h"
15 #include "kmp_atomic.h"
16 #if KMP_USE_HIER_SCHED
17 #include "kmp_dispatch_hier.h"
18 #endif
19 #include "kmp_environment.h"
20 #include "kmp_i18n.h"
21 #include "kmp_io.h"
22 #include "kmp_itt.h"
23 #include "kmp_lock.h"
24 #include "kmp_settings.h"
25 #include "kmp_str.h"
26 #include "kmp_wrapper_getpid.h"
27 #include <ctype.h> // toupper()
28 
29 static int __kmp_env_toPrint(char const *name, int flag);
30 
31 bool __kmp_env_format = 0; // 0 - old format; 1 - new format
32 
33 // -----------------------------------------------------------------------------
34 // Helper string functions. Subject to move to kmp_str.
35 
36 #ifdef USE_LOAD_BALANCE
37 static double __kmp_convert_to_double(char const *s) {
38   double result;
39 
40   if (KMP_SSCANF(s, "%lf", &result) < 1) {
41     result = 0.0;
42   }
43 
44   return result;
45 }
46 #endif
47 
48 #ifdef KMP_DEBUG
49 static unsigned int __kmp_readstr_with_sentinel(char *dest, char const *src,
50                                                 size_t len, char sentinel) {
51   unsigned int i;
52   for (i = 0; i < len; i++) {
53     if ((*src == '\0') || (*src == sentinel)) {
54       break;
55     }
56     *(dest++) = *(src++);
57   }
58   *dest = '\0';
59   return i;
60 }
61 #endif
62 
63 static int __kmp_match_with_sentinel(char const *a, char const *b, size_t len,
64                                      char sentinel) {
65   size_t l = 0;
66 
67   if (a == NULL)
68     a = "";
69   if (b == NULL)
70     b = "";
71   while (*a && *b && *b != sentinel) {
72     char ca = *a, cb = *b;
73 
74     if (ca >= 'a' && ca <= 'z')
75       ca -= 'a' - 'A';
76     if (cb >= 'a' && cb <= 'z')
77       cb -= 'a' - 'A';
78     if (ca != cb)
79       return FALSE;
80     ++l;
81     ++a;
82     ++b;
83   }
84   return l >= len;
85 }
86 
87 // Expected usage:
88 //     token is the token to check for.
89 //     buf is the string being parsed.
90 //     *end returns the char after the end of the token.
91 //        it is not modified unless a match occurs.
92 //
93 // Example 1:
94 //
95 //     if (__kmp_match_str("token", buf, *end) {
96 //         <do something>
97 //         buf = end;
98 //     }
99 //
100 //  Example 2:
101 //
102 //     if (__kmp_match_str("token", buf, *end) {
103 //         char *save = **end;
104 //         **end = sentinel;
105 //         <use any of the __kmp*_with_sentinel() functions>
106 //         **end = save;
107 //         buf = end;
108 //     }
109 
110 static int __kmp_match_str(char const *token, char const *buf,
111                            const char **end) {
112 
113   KMP_ASSERT(token != NULL);
114   KMP_ASSERT(buf != NULL);
115   KMP_ASSERT(end != NULL);
116 
117   while (*token && *buf) {
118     char ct = *token, cb = *buf;
119 
120     if (ct >= 'a' && ct <= 'z')
121       ct -= 'a' - 'A';
122     if (cb >= 'a' && cb <= 'z')
123       cb -= 'a' - 'A';
124     if (ct != cb)
125       return FALSE;
126     ++token;
127     ++buf;
128   }
129   if (*token) {
130     return FALSE;
131   }
132   *end = buf;
133   return TRUE;
134 }
135 
136 #if KMP_OS_DARWIN
137 static size_t __kmp_round4k(size_t size) {
138   size_t _4k = 4 * 1024;
139   if (size & (_4k - 1)) {
140     size &= ~(_4k - 1);
141     if (size <= KMP_SIZE_T_MAX - _4k) {
142       size += _4k; // Round up if there is no overflow.
143     }
144   }
145   return size;
146 } // __kmp_round4k
147 #endif
148 
149 /* Here, multipliers are like __kmp_convert_to_seconds, but floating-point
150    values are allowed, and the return value is in milliseconds.  The default
151    multiplier is milliseconds.  Returns INT_MAX only if the value specified
152    matches "infinit*".  Returns -1 if specified string is invalid. */
153 int __kmp_convert_to_milliseconds(char const *data) {
154   int ret, nvalues, factor;
155   char mult, extra;
156   double value;
157 
158   if (data == NULL)
159     return (-1);
160   if (__kmp_str_match("infinit", -1, data))
161     return (INT_MAX);
162   value = (double)0.0;
163   mult = '\0';
164   nvalues = KMP_SSCANF(data, "%lf%c%c", &value, &mult, &extra);
165   if (nvalues < 1)
166     return (-1);
167   if (nvalues == 1)
168     mult = '\0';
169   if (nvalues == 3)
170     return (-1);
171 
172   if (value < 0)
173     return (-1);
174 
175   switch (mult) {
176   case '\0':
177     /*  default is milliseconds  */
178     factor = 1;
179     break;
180   case 's':
181   case 'S':
182     factor = 1000;
183     break;
184   case 'm':
185   case 'M':
186     factor = 1000 * 60;
187     break;
188   case 'h':
189   case 'H':
190     factor = 1000 * 60 * 60;
191     break;
192   case 'd':
193   case 'D':
194     factor = 1000 * 24 * 60 * 60;
195     break;
196   default:
197     return (-1);
198   }
199 
200   if (value >= ((INT_MAX - 1) / factor))
201     ret = INT_MAX - 1; /* Don't allow infinite value here */
202   else
203     ret = (int)(value * (double)factor); /* truncate to int  */
204 
205   return ret;
206 }
207 
208 static int __kmp_strcasecmp_with_sentinel(char const *a, char const *b,
209                                           char sentinel) {
210   if (a == NULL)
211     a = "";
212   if (b == NULL)
213     b = "";
214   while (*a && *b && *b != sentinel) {
215     char ca = *a, cb = *b;
216 
217     if (ca >= 'a' && ca <= 'z')
218       ca -= 'a' - 'A';
219     if (cb >= 'a' && cb <= 'z')
220       cb -= 'a' - 'A';
221     if (ca != cb)
222       return (int)(unsigned char)*a - (int)(unsigned char)*b;
223     ++a;
224     ++b;
225   }
226   return *a
227              ? (*b && *b != sentinel)
228                    ? (int)(unsigned char)*a - (int)(unsigned char)*b
229                    : 1
230              : (*b && *b != sentinel) ? -1 : 0;
231 }
232 
233 // =============================================================================
234 // Table structures and helper functions.
235 
236 typedef struct __kmp_setting kmp_setting_t;
237 typedef struct __kmp_stg_ss_data kmp_stg_ss_data_t;
238 typedef struct __kmp_stg_wp_data kmp_stg_wp_data_t;
239 typedef struct __kmp_stg_fr_data kmp_stg_fr_data_t;
240 
241 typedef void (*kmp_stg_parse_func_t)(char const *name, char const *value,
242                                      void *data);
243 typedef void (*kmp_stg_print_func_t)(kmp_str_buf_t *buffer, char const *name,
244                                      void *data);
245 
246 struct __kmp_setting {
247   char const *name; // Name of setting (environment variable).
248   kmp_stg_parse_func_t parse; // Parser function.
249   kmp_stg_print_func_t print; // Print function.
250   void *data; // Data passed to parser and printer.
251   int set; // Variable set during this "session"
252   //     (__kmp_env_initialize() or kmp_set_defaults() call).
253   int defined; // Variable set in any "session".
254 }; // struct __kmp_setting
255 
256 struct __kmp_stg_ss_data {
257   size_t factor; // Default factor: 1 for KMP_STACKSIZE, 1024 for others.
258   kmp_setting_t **rivals; // Array of pointers to rivals (including itself).
259 }; // struct __kmp_stg_ss_data
260 
261 struct __kmp_stg_wp_data {
262   int omp; // 0 -- KMP_LIBRARY, 1 -- OMP_WAIT_POLICY.
263   kmp_setting_t **rivals; // Array of pointers to rivals (including itself).
264 }; // struct __kmp_stg_wp_data
265 
266 struct __kmp_stg_fr_data {
267   int force; // 0 -- KMP_DETERMINISTIC_REDUCTION, 1 -- KMP_FORCE_REDUCTION.
268   kmp_setting_t **rivals; // Array of pointers to rivals (including itself).
269 }; // struct __kmp_stg_fr_data
270 
271 static int __kmp_stg_check_rivals( // 0 -- Ok, 1 -- errors found.
272     char const *name, // Name of variable.
273     char const *value, // Value of the variable.
274     kmp_setting_t **rivals // List of rival settings (must include current one).
275     );
276 
277 // -----------------------------------------------------------------------------
278 // Helper parse functions.
279 
280 static void __kmp_stg_parse_bool(char const *name, char const *value,
281                                  int *out) {
282   if (__kmp_str_match_true(value)) {
283     *out = TRUE;
284   } else if (__kmp_str_match_false(value)) {
285     *out = FALSE;
286   } else {
287     __kmp_msg(kmp_ms_warning, KMP_MSG(BadBoolValue, name, value),
288               KMP_HNT(ValidBoolValues), __kmp_msg_null);
289   }
290 } // __kmp_stg_parse_bool
291 
292 // placed here in order to use __kmp_round4k static function
293 void __kmp_check_stksize(size_t *val) {
294   // if system stack size is too big then limit the size for worker threads
295   if (*val > KMP_DEFAULT_STKSIZE * 16) // just a heuristics...
296     *val = KMP_DEFAULT_STKSIZE * 16;
297   if (*val < KMP_MIN_STKSIZE)
298     *val = KMP_MIN_STKSIZE;
299   if (*val > KMP_MAX_STKSIZE)
300     *val = KMP_MAX_STKSIZE; // dead code currently, but may work in future
301 #if KMP_OS_DARWIN
302   *val = __kmp_round4k(*val);
303 #endif // KMP_OS_DARWIN
304 }
305 
306 static void __kmp_stg_parse_size(char const *name, char const *value,
307                                  size_t size_min, size_t size_max,
308                                  int *is_specified, size_t *out,
309                                  size_t factor) {
310   char const *msg = NULL;
311 #if KMP_OS_DARWIN
312   size_min = __kmp_round4k(size_min);
313   size_max = __kmp_round4k(size_max);
314 #endif // KMP_OS_DARWIN
315   if (value) {
316     if (is_specified != NULL) {
317       *is_specified = 1;
318     }
319     __kmp_str_to_size(value, out, factor, &msg);
320     if (msg == NULL) {
321       if (*out > size_max) {
322         *out = size_max;
323         msg = KMP_I18N_STR(ValueTooLarge);
324       } else if (*out < size_min) {
325         *out = size_min;
326         msg = KMP_I18N_STR(ValueTooSmall);
327       } else {
328 #if KMP_OS_DARWIN
329         size_t round4k = __kmp_round4k(*out);
330         if (*out != round4k) {
331           *out = round4k;
332           msg = KMP_I18N_STR(NotMultiple4K);
333         }
334 #endif
335       }
336     } else {
337       // If integer overflow occurred, * out == KMP_SIZE_T_MAX. Cut it to
338       // size_max silently.
339       if (*out < size_min) {
340         *out = size_max;
341       } else if (*out > size_max) {
342         *out = size_max;
343       }
344     }
345     if (msg != NULL) {
346       // Message is not empty. Print warning.
347       kmp_str_buf_t buf;
348       __kmp_str_buf_init(&buf);
349       __kmp_str_buf_print_size(&buf, *out);
350       KMP_WARNING(ParseSizeIntWarn, name, value, msg);
351       KMP_INFORM(Using_str_Value, name, buf.str);
352       __kmp_str_buf_free(&buf);
353     }
354   }
355 } // __kmp_stg_parse_size
356 
357 static void __kmp_stg_parse_str(char const *name, char const *value,
358                                 char **out) {
359   __kmp_str_free(out);
360   *out = __kmp_str_format("%s", value);
361 } // __kmp_stg_parse_str
362 
363 static void __kmp_stg_parse_int(
364     char const
365         *name, // I: Name of environment variable (used in warning messages).
366     char const *value, // I: Value of environment variable to parse.
367     int min, // I: Miminal allowed value.
368     int max, // I: Maximum allowed value.
369     int *out // O: Output (parsed) value.
370     ) {
371   char const *msg = NULL;
372   kmp_uint64 uint = *out;
373   __kmp_str_to_uint(value, &uint, &msg);
374   if (msg == NULL) {
375     if (uint < (unsigned int)min) {
376       msg = KMP_I18N_STR(ValueTooSmall);
377       uint = min;
378     } else if (uint > (unsigned int)max) {
379       msg = KMP_I18N_STR(ValueTooLarge);
380       uint = max;
381     }
382   } else {
383     // If overflow occurred msg contains error message and uint is very big. Cut
384     // tmp it to INT_MAX.
385     if (uint < (unsigned int)min) {
386       uint = min;
387     } else if (uint > (unsigned int)max) {
388       uint = max;
389     }
390   }
391   if (msg != NULL) {
392     // Message is not empty. Print warning.
393     kmp_str_buf_t buf;
394     KMP_WARNING(ParseSizeIntWarn, name, value, msg);
395     __kmp_str_buf_init(&buf);
396     __kmp_str_buf_print(&buf, "%" KMP_UINT64_SPEC "", uint);
397     KMP_INFORM(Using_uint64_Value, name, buf.str);
398     __kmp_str_buf_free(&buf);
399   }
400   *out = uint;
401 } // __kmp_stg_parse_int
402 
403 #if KMP_DEBUG_ADAPTIVE_LOCKS
404 static void __kmp_stg_parse_file(char const *name, char const *value,
405                                  const char *suffix, char **out) {
406   char buffer[256];
407   char *t;
408   int hasSuffix;
409   __kmp_str_free(out);
410   t = (char *)strrchr(value, '.');
411   hasSuffix = t && __kmp_str_eqf(t, suffix);
412   t = __kmp_str_format("%s%s", value, hasSuffix ? "" : suffix);
413   __kmp_expand_file_name(buffer, sizeof(buffer), t);
414   __kmp_str_free(&t);
415   *out = __kmp_str_format("%s", buffer);
416 } // __kmp_stg_parse_file
417 #endif
418 
419 #ifdef KMP_DEBUG
420 static char *par_range_to_print = NULL;
421 
422 static void __kmp_stg_parse_par_range(char const *name, char const *value,
423                                       int *out_range, char *out_routine,
424                                       char *out_file, int *out_lb,
425                                       int *out_ub) {
426   size_t len = KMP_STRLEN(value) + 1;
427   par_range_to_print = (char *)KMP_INTERNAL_MALLOC(len + 1);
428   KMP_STRNCPY_S(par_range_to_print, len + 1, value, len + 1);
429   __kmp_par_range = +1;
430   __kmp_par_range_lb = 0;
431   __kmp_par_range_ub = INT_MAX;
432   for (;;) {
433     unsigned int len;
434     if (*value == '\0') {
435       break;
436     }
437     if (!__kmp_strcasecmp_with_sentinel("routine", value, '=')) {
438       value = strchr(value, '=') + 1;
439       len = __kmp_readstr_with_sentinel(out_routine, value,
440                                         KMP_PAR_RANGE_ROUTINE_LEN - 1, ',');
441       if (len == 0) {
442         goto par_range_error;
443       }
444       value = strchr(value, ',');
445       if (value != NULL) {
446         value++;
447       }
448       continue;
449     }
450     if (!__kmp_strcasecmp_with_sentinel("filename", value, '=')) {
451       value = strchr(value, '=') + 1;
452       len = __kmp_readstr_with_sentinel(out_file, value,
453                                         KMP_PAR_RANGE_FILENAME_LEN - 1, ',');
454       if (len == 0) {
455         goto par_range_error;
456       }
457       value = strchr(value, ',');
458       if (value != NULL) {
459         value++;
460       }
461       continue;
462     }
463     if ((!__kmp_strcasecmp_with_sentinel("range", value, '=')) ||
464         (!__kmp_strcasecmp_with_sentinel("incl_range", value, '='))) {
465       value = strchr(value, '=') + 1;
466       if (KMP_SSCANF(value, "%d:%d", out_lb, out_ub) != 2) {
467         goto par_range_error;
468       }
469       *out_range = +1;
470       value = strchr(value, ',');
471       if (value != NULL) {
472         value++;
473       }
474       continue;
475     }
476     if (!__kmp_strcasecmp_with_sentinel("excl_range", value, '=')) {
477       value = strchr(value, '=') + 1;
478       if (KMP_SSCANF(value, "%d:%d", out_lb, out_ub) != 2) {
479         goto par_range_error;
480       }
481       *out_range = -1;
482       value = strchr(value, ',');
483       if (value != NULL) {
484         value++;
485       }
486       continue;
487     }
488   par_range_error:
489     KMP_WARNING(ParRangeSyntax, name);
490     __kmp_par_range = 0;
491     break;
492   }
493 } // __kmp_stg_parse_par_range
494 #endif
495 
496 int __kmp_initial_threads_capacity(int req_nproc) {
497   int nth = 32;
498 
499   /* MIN( MAX( 32, 4 * $OMP_NUM_THREADS, 4 * omp_get_num_procs() ),
500    * __kmp_max_nth) */
501   if (nth < (4 * req_nproc))
502     nth = (4 * req_nproc);
503   if (nth < (4 * __kmp_xproc))
504     nth = (4 * __kmp_xproc);
505 
506   if (nth > __kmp_max_nth)
507     nth = __kmp_max_nth;
508 
509   return nth;
510 }
511 
512 int __kmp_default_tp_capacity(int req_nproc, int max_nth,
513                               int all_threads_specified) {
514   int nth = 128;
515 
516   if (all_threads_specified)
517     return max_nth;
518   /* MIN( MAX (128, 4 * $OMP_NUM_THREADS, 4 * omp_get_num_procs() ),
519    * __kmp_max_nth ) */
520   if (nth < (4 * req_nproc))
521     nth = (4 * req_nproc);
522   if (nth < (4 * __kmp_xproc))
523     nth = (4 * __kmp_xproc);
524 
525   if (nth > __kmp_max_nth)
526     nth = __kmp_max_nth;
527 
528   return nth;
529 }
530 
531 // -----------------------------------------------------------------------------
532 // Helper print functions.
533 
534 static void __kmp_stg_print_bool(kmp_str_buf_t *buffer, char const *name,
535                                  int value) {
536   if (__kmp_env_format) {
537     KMP_STR_BUF_PRINT_BOOL;
538   } else {
539     __kmp_str_buf_print(buffer, "   %s=%s\n", name, value ? "true" : "false");
540   }
541 } // __kmp_stg_print_bool
542 
543 static void __kmp_stg_print_int(kmp_str_buf_t *buffer, char const *name,
544                                 int value) {
545   if (__kmp_env_format) {
546     KMP_STR_BUF_PRINT_INT;
547   } else {
548     __kmp_str_buf_print(buffer, "   %s=%d\n", name, value);
549   }
550 } // __kmp_stg_print_int
551 
552 #if USE_ITT_BUILD && USE_ITT_NOTIFY
553 static void __kmp_stg_print_uint64(kmp_str_buf_t *buffer, char const *name,
554                                    kmp_uint64 value) {
555   if (__kmp_env_format) {
556     KMP_STR_BUF_PRINT_UINT64;
557   } else {
558     __kmp_str_buf_print(buffer, "   %s=%" KMP_UINT64_SPEC "\n", name, value);
559   }
560 } // __kmp_stg_print_uint64
561 #endif
562 
563 static void __kmp_stg_print_str(kmp_str_buf_t *buffer, char const *name,
564                                 char const *value) {
565   if (__kmp_env_format) {
566     KMP_STR_BUF_PRINT_STR;
567   } else {
568     __kmp_str_buf_print(buffer, "   %s=%s\n", name, value);
569   }
570 } // __kmp_stg_print_str
571 
572 static void __kmp_stg_print_size(kmp_str_buf_t *buffer, char const *name,
573                                  size_t value) {
574   if (__kmp_env_format) {
575     KMP_STR_BUF_PRINT_NAME_EX(name);
576     __kmp_str_buf_print_size(buffer, value);
577     __kmp_str_buf_print(buffer, "'\n");
578   } else {
579     __kmp_str_buf_print(buffer, "   %s=", name);
580     __kmp_str_buf_print_size(buffer, value);
581     __kmp_str_buf_print(buffer, "\n");
582     return;
583   }
584 } // __kmp_stg_print_size
585 
586 // =============================================================================
587 // Parse and print functions.
588 
589 // -----------------------------------------------------------------------------
590 // KMP_DEVICE_THREAD_LIMIT, KMP_ALL_THREADS
591 
592 static void __kmp_stg_parse_device_thread_limit(char const *name,
593                                                 char const *value, void *data) {
594   kmp_setting_t **rivals = (kmp_setting_t **)data;
595   int rc;
596   if (strcmp(name, "KMP_ALL_THREADS") == 0) {
597     KMP_INFORM(EnvVarDeprecated, name, "KMP_DEVICE_THREAD_LIMIT");
598   }
599   rc = __kmp_stg_check_rivals(name, value, rivals);
600   if (rc) {
601     return;
602   }
603   if (!__kmp_strcasecmp_with_sentinel("all", value, 0)) {
604     __kmp_max_nth = __kmp_xproc;
605     __kmp_allThreadsSpecified = 1;
606   } else {
607     __kmp_stg_parse_int(name, value, 1, __kmp_sys_max_nth, &__kmp_max_nth);
608     __kmp_allThreadsSpecified = 0;
609   }
610   K_DIAG(1, ("__kmp_max_nth == %d\n", __kmp_max_nth));
611 
612 } // __kmp_stg_parse_device_thread_limit
613 
614 static void __kmp_stg_print_device_thread_limit(kmp_str_buf_t *buffer,
615                                                 char const *name, void *data) {
616   __kmp_stg_print_int(buffer, name, __kmp_max_nth);
617 } // __kmp_stg_print_device_thread_limit
618 
619 // -----------------------------------------------------------------------------
620 // OMP_THREAD_LIMIT
621 static void __kmp_stg_parse_thread_limit(char const *name, char const *value,
622                                          void *data) {
623   __kmp_stg_parse_int(name, value, 1, __kmp_sys_max_nth, &__kmp_cg_max_nth);
624   K_DIAG(1, ("__kmp_cg_max_nth == %d\n", __kmp_cg_max_nth));
625 
626 } // __kmp_stg_parse_thread_limit
627 
628 static void __kmp_stg_print_thread_limit(kmp_str_buf_t *buffer,
629                                          char const *name, void *data) {
630   __kmp_stg_print_int(buffer, name, __kmp_cg_max_nth);
631 } // __kmp_stg_print_thread_limit
632 
633 // -----------------------------------------------------------------------------
634 // KMP_TEAMS_THREAD_LIMIT
635 static void __kmp_stg_parse_teams_thread_limit(char const *name,
636                                                char const *value, void *data) {
637   __kmp_stg_parse_int(name, value, 1, __kmp_sys_max_nth, &__kmp_teams_max_nth);
638 } // __kmp_stg_teams_thread_limit
639 
640 static void __kmp_stg_print_teams_thread_limit(kmp_str_buf_t *buffer,
641                                                char const *name, void *data) {
642   __kmp_stg_print_int(buffer, name, __kmp_teams_max_nth);
643 } // __kmp_stg_print_teams_thread_limit
644 
645 // -----------------------------------------------------------------------------
646 // KMP_USE_YIELD
647 static void __kmp_stg_parse_use_yield(char const *name, char const *value,
648                                       void *data) {
649   __kmp_stg_parse_int(name, value, 0, 2, &__kmp_use_yield);
650   __kmp_use_yield_exp_set = 1;
651 } // __kmp_stg_parse_use_yield
652 
653 static void __kmp_stg_print_use_yield(kmp_str_buf_t *buffer, char const *name,
654                                       void *data) {
655   __kmp_stg_print_int(buffer, name, __kmp_use_yield);
656 } // __kmp_stg_print_use_yield
657 
658 // -----------------------------------------------------------------------------
659 // KMP_BLOCKTIME
660 
661 static void __kmp_stg_parse_blocktime(char const *name, char const *value,
662                                       void *data) {
663   __kmp_dflt_blocktime = __kmp_convert_to_milliseconds(value);
664   if (__kmp_dflt_blocktime < 0) {
665     __kmp_dflt_blocktime = KMP_DEFAULT_BLOCKTIME;
666     __kmp_msg(kmp_ms_warning, KMP_MSG(InvalidValue, name, value),
667               __kmp_msg_null);
668     KMP_INFORM(Using_int_Value, name, __kmp_dflt_blocktime);
669     __kmp_env_blocktime = FALSE; // Revert to default as if var not set.
670   } else {
671     if (__kmp_dflt_blocktime < KMP_MIN_BLOCKTIME) {
672       __kmp_dflt_blocktime = KMP_MIN_BLOCKTIME;
673       __kmp_msg(kmp_ms_warning, KMP_MSG(SmallValue, name, value),
674                 __kmp_msg_null);
675       KMP_INFORM(MinValueUsing, name, __kmp_dflt_blocktime);
676     } else if (__kmp_dflt_blocktime > KMP_MAX_BLOCKTIME) {
677       __kmp_dflt_blocktime = KMP_MAX_BLOCKTIME;
678       __kmp_msg(kmp_ms_warning, KMP_MSG(LargeValue, name, value),
679                 __kmp_msg_null);
680       KMP_INFORM(MaxValueUsing, name, __kmp_dflt_blocktime);
681     }
682     __kmp_env_blocktime = TRUE; // KMP_BLOCKTIME was specified.
683   }
684 #if KMP_USE_MONITOR
685   // calculate number of monitor thread wakeup intervals corresponding to
686   // blocktime.
687   __kmp_monitor_wakeups =
688       KMP_WAKEUPS_FROM_BLOCKTIME(__kmp_dflt_blocktime, __kmp_monitor_wakeups);
689   __kmp_bt_intervals =
690       KMP_INTERVALS_FROM_BLOCKTIME(__kmp_dflt_blocktime, __kmp_monitor_wakeups);
691 #endif
692   K_DIAG(1, ("__kmp_env_blocktime == %d\n", __kmp_env_blocktime));
693   if (__kmp_env_blocktime) {
694     K_DIAG(1, ("__kmp_dflt_blocktime == %d\n", __kmp_dflt_blocktime));
695   }
696 } // __kmp_stg_parse_blocktime
697 
698 static void __kmp_stg_print_blocktime(kmp_str_buf_t *buffer, char const *name,
699                                       void *data) {
700   __kmp_stg_print_int(buffer, name, __kmp_dflt_blocktime);
701 } // __kmp_stg_print_blocktime
702 
703 // -----------------------------------------------------------------------------
704 // KMP_DUPLICATE_LIB_OK
705 
706 static void __kmp_stg_parse_duplicate_lib_ok(char const *name,
707                                              char const *value, void *data) {
708   /* actually this variable is not supported, put here for compatibility with
709      earlier builds and for static/dynamic combination */
710   __kmp_stg_parse_bool(name, value, &__kmp_duplicate_library_ok);
711 } // __kmp_stg_parse_duplicate_lib_ok
712 
713 static void __kmp_stg_print_duplicate_lib_ok(kmp_str_buf_t *buffer,
714                                              char const *name, void *data) {
715   __kmp_stg_print_bool(buffer, name, __kmp_duplicate_library_ok);
716 } // __kmp_stg_print_duplicate_lib_ok
717 
718 // -----------------------------------------------------------------------------
719 // KMP_INHERIT_FP_CONTROL
720 
721 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
722 
723 static void __kmp_stg_parse_inherit_fp_control(char const *name,
724                                                char const *value, void *data) {
725   __kmp_stg_parse_bool(name, value, &__kmp_inherit_fp_control);
726 } // __kmp_stg_parse_inherit_fp_control
727 
728 static void __kmp_stg_print_inherit_fp_control(kmp_str_buf_t *buffer,
729                                                char const *name, void *data) {
730 #if KMP_DEBUG
731   __kmp_stg_print_bool(buffer, name, __kmp_inherit_fp_control);
732 #endif /* KMP_DEBUG */
733 } // __kmp_stg_print_inherit_fp_control
734 
735 #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */
736 
737 // Used for OMP_WAIT_POLICY
738 static char const *blocktime_str = NULL;
739 
740 // -----------------------------------------------------------------------------
741 // KMP_LIBRARY, OMP_WAIT_POLICY
742 
743 static void __kmp_stg_parse_wait_policy(char const *name, char const *value,
744                                         void *data) {
745 
746   kmp_stg_wp_data_t *wait = (kmp_stg_wp_data_t *)data;
747   int rc;
748 
749   rc = __kmp_stg_check_rivals(name, value, wait->rivals);
750   if (rc) {
751     return;
752   }
753 
754   if (wait->omp) {
755     if (__kmp_str_match("ACTIVE", 1, value)) {
756       __kmp_library = library_turnaround;
757       if (blocktime_str == NULL) {
758         // KMP_BLOCKTIME not specified, so set default to "infinite".
759         __kmp_dflt_blocktime = KMP_MAX_BLOCKTIME;
760       }
761     } else if (__kmp_str_match("PASSIVE", 1, value)) {
762       __kmp_library = library_throughput;
763       if (blocktime_str == NULL) {
764         // KMP_BLOCKTIME not specified, so set default to 0.
765         __kmp_dflt_blocktime = 0;
766       }
767     } else {
768       KMP_WARNING(StgInvalidValue, name, value);
769     }
770   } else {
771     if (__kmp_str_match("serial", 1, value)) { /* S */
772       __kmp_library = library_serial;
773     } else if (__kmp_str_match("throughput", 2, value)) { /* TH */
774       __kmp_library = library_throughput;
775       if (blocktime_str == NULL) {
776         // KMP_BLOCKTIME not specified, so set default to 0.
777         __kmp_dflt_blocktime = 0;
778       }
779     } else if (__kmp_str_match("turnaround", 2, value)) { /* TU */
780       __kmp_library = library_turnaround;
781     } else if (__kmp_str_match("dedicated", 1, value)) { /* D */
782       __kmp_library = library_turnaround;
783     } else if (__kmp_str_match("multiuser", 1, value)) { /* M */
784       __kmp_library = library_throughput;
785       if (blocktime_str == NULL) {
786         // KMP_BLOCKTIME not specified, so set default to 0.
787         __kmp_dflt_blocktime = 0;
788       }
789     } else {
790       KMP_WARNING(StgInvalidValue, name, value);
791     }
792   }
793 } // __kmp_stg_parse_wait_policy
794 
795 static void __kmp_stg_print_wait_policy(kmp_str_buf_t *buffer, char const *name,
796                                         void *data) {
797 
798   kmp_stg_wp_data_t *wait = (kmp_stg_wp_data_t *)data;
799   char const *value = NULL;
800 
801   if (wait->omp) {
802     switch (__kmp_library) {
803     case library_turnaround: {
804       value = "ACTIVE";
805     } break;
806     case library_throughput: {
807       value = "PASSIVE";
808     } break;
809     }
810   } else {
811     switch (__kmp_library) {
812     case library_serial: {
813       value = "serial";
814     } break;
815     case library_turnaround: {
816       value = "turnaround";
817     } break;
818     case library_throughput: {
819       value = "throughput";
820     } break;
821     }
822   }
823   if (value != NULL) {
824     __kmp_stg_print_str(buffer, name, value);
825   }
826 
827 } // __kmp_stg_print_wait_policy
828 
829 #if KMP_USE_MONITOR
830 // -----------------------------------------------------------------------------
831 // KMP_MONITOR_STACKSIZE
832 
833 static void __kmp_stg_parse_monitor_stacksize(char const *name,
834                                               char const *value, void *data) {
835   __kmp_stg_parse_size(name, value, __kmp_sys_min_stksize, KMP_MAX_STKSIZE,
836                        NULL, &__kmp_monitor_stksize, 1);
837 } // __kmp_stg_parse_monitor_stacksize
838 
839 static void __kmp_stg_print_monitor_stacksize(kmp_str_buf_t *buffer,
840                                               char const *name, void *data) {
841   if (__kmp_env_format) {
842     if (__kmp_monitor_stksize > 0)
843       KMP_STR_BUF_PRINT_NAME_EX(name);
844     else
845       KMP_STR_BUF_PRINT_NAME;
846   } else {
847     __kmp_str_buf_print(buffer, "   %s", name);
848   }
849   if (__kmp_monitor_stksize > 0) {
850     __kmp_str_buf_print_size(buffer, __kmp_monitor_stksize);
851   } else {
852     __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
853   }
854   if (__kmp_env_format && __kmp_monitor_stksize) {
855     __kmp_str_buf_print(buffer, "'\n");
856   }
857 } // __kmp_stg_print_monitor_stacksize
858 #endif // KMP_USE_MONITOR
859 
860 // -----------------------------------------------------------------------------
861 // KMP_SETTINGS
862 
863 static void __kmp_stg_parse_settings(char const *name, char const *value,
864                                      void *data) {
865   __kmp_stg_parse_bool(name, value, &__kmp_settings);
866 } // __kmp_stg_parse_settings
867 
868 static void __kmp_stg_print_settings(kmp_str_buf_t *buffer, char const *name,
869                                      void *data) {
870   __kmp_stg_print_bool(buffer, name, __kmp_settings);
871 } // __kmp_stg_print_settings
872 
873 // -----------------------------------------------------------------------------
874 // KMP_STACKPAD
875 
876 static void __kmp_stg_parse_stackpad(char const *name, char const *value,
877                                      void *data) {
878   __kmp_stg_parse_int(name, // Env var name
879                       value, // Env var value
880                       KMP_MIN_STKPADDING, // Min value
881                       KMP_MAX_STKPADDING, // Max value
882                       &__kmp_stkpadding // Var to initialize
883                       );
884 } // __kmp_stg_parse_stackpad
885 
886 static void __kmp_stg_print_stackpad(kmp_str_buf_t *buffer, char const *name,
887                                      void *data) {
888   __kmp_stg_print_int(buffer, name, __kmp_stkpadding);
889 } // __kmp_stg_print_stackpad
890 
891 // -----------------------------------------------------------------------------
892 // KMP_STACKOFFSET
893 
894 static void __kmp_stg_parse_stackoffset(char const *name, char const *value,
895                                         void *data) {
896   __kmp_stg_parse_size(name, // Env var name
897                        value, // Env var value
898                        KMP_MIN_STKOFFSET, // Min value
899                        KMP_MAX_STKOFFSET, // Max value
900                        NULL, //
901                        &__kmp_stkoffset, // Var to initialize
902                        1);
903 } // __kmp_stg_parse_stackoffset
904 
905 static void __kmp_stg_print_stackoffset(kmp_str_buf_t *buffer, char const *name,
906                                         void *data) {
907   __kmp_stg_print_size(buffer, name, __kmp_stkoffset);
908 } // __kmp_stg_print_stackoffset
909 
910 // -----------------------------------------------------------------------------
911 // KMP_STACKSIZE, OMP_STACKSIZE, GOMP_STACKSIZE
912 
913 static void __kmp_stg_parse_stacksize(char const *name, char const *value,
914                                       void *data) {
915 
916   kmp_stg_ss_data_t *stacksize = (kmp_stg_ss_data_t *)data;
917   int rc;
918 
919   rc = __kmp_stg_check_rivals(name, value, stacksize->rivals);
920   if (rc) {
921     return;
922   }
923   __kmp_stg_parse_size(name, // Env var name
924                        value, // Env var value
925                        __kmp_sys_min_stksize, // Min value
926                        KMP_MAX_STKSIZE, // Max value
927                        &__kmp_env_stksize, //
928                        &__kmp_stksize, // Var to initialize
929                        stacksize->factor);
930 
931 } // __kmp_stg_parse_stacksize
932 
933 // This function is called for printing both KMP_STACKSIZE (factor is 1) and
934 // OMP_STACKSIZE (factor is 1024). Currently it is not possible to print
935 // OMP_STACKSIZE value in bytes. We can consider adding this possibility by a
936 // customer request in future.
937 static void __kmp_stg_print_stacksize(kmp_str_buf_t *buffer, char const *name,
938                                       void *data) {
939   kmp_stg_ss_data_t *stacksize = (kmp_stg_ss_data_t *)data;
940   if (__kmp_env_format) {
941     KMP_STR_BUF_PRINT_NAME_EX(name);
942     __kmp_str_buf_print_size(buffer, (__kmp_stksize % 1024)
943                                          ? __kmp_stksize / stacksize->factor
944                                          : __kmp_stksize);
945     __kmp_str_buf_print(buffer, "'\n");
946   } else {
947     __kmp_str_buf_print(buffer, "   %s=", name);
948     __kmp_str_buf_print_size(buffer, (__kmp_stksize % 1024)
949                                          ? __kmp_stksize / stacksize->factor
950                                          : __kmp_stksize);
951     __kmp_str_buf_print(buffer, "\n");
952   }
953 } // __kmp_stg_print_stacksize
954 
955 // -----------------------------------------------------------------------------
956 // KMP_VERSION
957 
958 static void __kmp_stg_parse_version(char const *name, char const *value,
959                                     void *data) {
960   __kmp_stg_parse_bool(name, value, &__kmp_version);
961 } // __kmp_stg_parse_version
962 
963 static void __kmp_stg_print_version(kmp_str_buf_t *buffer, char const *name,
964                                     void *data) {
965   __kmp_stg_print_bool(buffer, name, __kmp_version);
966 } // __kmp_stg_print_version
967 
968 // -----------------------------------------------------------------------------
969 // KMP_WARNINGS
970 
971 static void __kmp_stg_parse_warnings(char const *name, char const *value,
972                                      void *data) {
973   __kmp_stg_parse_bool(name, value, &__kmp_generate_warnings);
974   if (__kmp_generate_warnings != kmp_warnings_off) {
975     // AC: only 0/1 values documented, so reset to explicit to distinguish from
976     // default setting
977     __kmp_generate_warnings = kmp_warnings_explicit;
978   }
979 } // __kmp_stg_parse_warnings
980 
981 static void __kmp_stg_print_warnings(kmp_str_buf_t *buffer, char const *name,
982                                      void *data) {
983   // AC: TODO: change to print_int? (needs documentation change)
984   __kmp_stg_print_bool(buffer, name, __kmp_generate_warnings);
985 } // __kmp_stg_print_warnings
986 
987 // -----------------------------------------------------------------------------
988 // OMP_NESTED, OMP_NUM_THREADS
989 
990 static void __kmp_stg_parse_nested(char const *name, char const *value,
991                                    void *data) {
992   int nested;
993   KMP_INFORM(EnvVarDeprecated, name, "OMP_MAX_ACTIVE_LEVELS");
994   __kmp_stg_parse_bool(name, value, &nested);
995   if (nested) {
996     if (!__kmp_dflt_max_active_levels_set)
997       __kmp_dflt_max_active_levels = KMP_MAX_ACTIVE_LEVELS_LIMIT;
998   } else { // nesting explicitly turned off
999     __kmp_dflt_max_active_levels = 1;
1000     __kmp_dflt_max_active_levels_set = true;
1001   }
1002 } // __kmp_stg_parse_nested
1003 
1004 static void __kmp_stg_print_nested(kmp_str_buf_t *buffer, char const *name,
1005                                    void *data) {
1006   if (__kmp_env_format) {
1007     KMP_STR_BUF_PRINT_NAME;
1008   } else {
1009     __kmp_str_buf_print(buffer, "   %s", name);
1010   }
1011   __kmp_str_buf_print(buffer, ": deprecated; max-active-levels-var=%d\n",
1012                       __kmp_dflt_max_active_levels);
1013 } // __kmp_stg_print_nested
1014 
1015 static void __kmp_parse_nested_num_threads(const char *var, const char *env,
1016                                            kmp_nested_nthreads_t *nth_array) {
1017   const char *next = env;
1018   const char *scan = next;
1019 
1020   int total = 0; // Count elements that were set. It'll be used as an array size
1021   int prev_comma = FALSE; // For correct processing sequential commas
1022 
1023   // Count the number of values in the env. var string
1024   for (;;) {
1025     SKIP_WS(next);
1026 
1027     if (*next == '\0') {
1028       break;
1029     }
1030     // Next character is not an integer or not a comma => end of list
1031     if (((*next < '0') || (*next > '9')) && (*next != ',')) {
1032       KMP_WARNING(NthSyntaxError, var, env);
1033       return;
1034     }
1035     // The next character is ','
1036     if (*next == ',') {
1037       // ',' is the fisrt character
1038       if (total == 0 || prev_comma) {
1039         total++;
1040       }
1041       prev_comma = TRUE;
1042       next++; // skip ','
1043       SKIP_WS(next);
1044     }
1045     // Next character is a digit
1046     if (*next >= '0' && *next <= '9') {
1047       prev_comma = FALSE;
1048       SKIP_DIGITS(next);
1049       total++;
1050       const char *tmp = next;
1051       SKIP_WS(tmp);
1052       if ((*next == ' ' || *next == '\t') && (*tmp >= '0' && *tmp <= '9')) {
1053         KMP_WARNING(NthSpacesNotAllowed, var, env);
1054         return;
1055       }
1056     }
1057   }
1058   if (!__kmp_dflt_max_active_levels_set && total > 1)
1059     __kmp_dflt_max_active_levels = KMP_MAX_ACTIVE_LEVELS_LIMIT;
1060   KMP_DEBUG_ASSERT(total > 0);
1061   if (total <= 0) {
1062     KMP_WARNING(NthSyntaxError, var, env);
1063     return;
1064   }
1065 
1066   // Check if the nested nthreads array exists
1067   if (!nth_array->nth) {
1068     // Allocate an array of double size
1069     nth_array->nth = (int *)KMP_INTERNAL_MALLOC(sizeof(int) * total * 2);
1070     if (nth_array->nth == NULL) {
1071       KMP_FATAL(MemoryAllocFailed);
1072     }
1073     nth_array->size = total * 2;
1074   } else {
1075     if (nth_array->size < total) {
1076       // Increase the array size
1077       do {
1078         nth_array->size *= 2;
1079       } while (nth_array->size < total);
1080 
1081       nth_array->nth = (int *)KMP_INTERNAL_REALLOC(
1082           nth_array->nth, sizeof(int) * nth_array->size);
1083       if (nth_array->nth == NULL) {
1084         KMP_FATAL(MemoryAllocFailed);
1085       }
1086     }
1087   }
1088   nth_array->used = total;
1089   int i = 0;
1090 
1091   prev_comma = FALSE;
1092   total = 0;
1093   // Save values in the array
1094   for (;;) {
1095     SKIP_WS(scan);
1096     if (*scan == '\0') {
1097       break;
1098     }
1099     // The next character is ','
1100     if (*scan == ',') {
1101       // ',' in the beginning of the list
1102       if (total == 0) {
1103         // The value is supposed to be equal to __kmp_avail_proc but it is
1104         // unknown at the moment.
1105         // So let's put a placeholder (#threads = 0) to correct it later.
1106         nth_array->nth[i++] = 0;
1107         total++;
1108       } else if (prev_comma) {
1109         // Num threads is inherited from the previous level
1110         nth_array->nth[i] = nth_array->nth[i - 1];
1111         i++;
1112         total++;
1113       }
1114       prev_comma = TRUE;
1115       scan++; // skip ','
1116       SKIP_WS(scan);
1117     }
1118     // Next character is a digit
1119     if (*scan >= '0' && *scan <= '9') {
1120       int num;
1121       const char *buf = scan;
1122       char const *msg = NULL;
1123       prev_comma = FALSE;
1124       SKIP_DIGITS(scan);
1125       total++;
1126 
1127       num = __kmp_str_to_int(buf, *scan);
1128       if (num < KMP_MIN_NTH) {
1129         msg = KMP_I18N_STR(ValueTooSmall);
1130         num = KMP_MIN_NTH;
1131       } else if (num > __kmp_sys_max_nth) {
1132         msg = KMP_I18N_STR(ValueTooLarge);
1133         num = __kmp_sys_max_nth;
1134       }
1135       if (msg != NULL) {
1136         // Message is not empty. Print warning.
1137         KMP_WARNING(ParseSizeIntWarn, var, env, msg);
1138         KMP_INFORM(Using_int_Value, var, num);
1139       }
1140       nth_array->nth[i++] = num;
1141     }
1142   }
1143 }
1144 
1145 static void __kmp_stg_parse_num_threads(char const *name, char const *value,
1146                                         void *data) {
1147   // TODO: Remove this option. OMP_NUM_THREADS is a list of positive integers!
1148   if (!__kmp_strcasecmp_with_sentinel("all", value, 0)) {
1149     // The array of 1 element
1150     __kmp_nested_nth.nth = (int *)KMP_INTERNAL_MALLOC(sizeof(int));
1151     __kmp_nested_nth.size = __kmp_nested_nth.used = 1;
1152     __kmp_nested_nth.nth[0] = __kmp_dflt_team_nth = __kmp_dflt_team_nth_ub =
1153         __kmp_xproc;
1154   } else {
1155     __kmp_parse_nested_num_threads(name, value, &__kmp_nested_nth);
1156     if (__kmp_nested_nth.nth) {
1157       __kmp_dflt_team_nth = __kmp_nested_nth.nth[0];
1158       if (__kmp_dflt_team_nth_ub < __kmp_dflt_team_nth) {
1159         __kmp_dflt_team_nth_ub = __kmp_dflt_team_nth;
1160       }
1161     }
1162   }
1163   K_DIAG(1, ("__kmp_dflt_team_nth == %d\n", __kmp_dflt_team_nth));
1164 } // __kmp_stg_parse_num_threads
1165 
1166 static void __kmp_stg_print_num_threads(kmp_str_buf_t *buffer, char const *name,
1167                                         void *data) {
1168   if (__kmp_env_format) {
1169     KMP_STR_BUF_PRINT_NAME;
1170   } else {
1171     __kmp_str_buf_print(buffer, "   %s", name);
1172   }
1173   if (__kmp_nested_nth.used) {
1174     kmp_str_buf_t buf;
1175     __kmp_str_buf_init(&buf);
1176     for (int i = 0; i < __kmp_nested_nth.used; i++) {
1177       __kmp_str_buf_print(&buf, "%d", __kmp_nested_nth.nth[i]);
1178       if (i < __kmp_nested_nth.used - 1) {
1179         __kmp_str_buf_print(&buf, ",");
1180       }
1181     }
1182     __kmp_str_buf_print(buffer, "='%s'\n", buf.str);
1183     __kmp_str_buf_free(&buf);
1184   } else {
1185     __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
1186   }
1187 } // __kmp_stg_print_num_threads
1188 
1189 // -----------------------------------------------------------------------------
1190 // OpenMP 3.0: KMP_TASKING, OMP_MAX_ACTIVE_LEVELS,
1191 
1192 static void __kmp_stg_parse_tasking(char const *name, char const *value,
1193                                     void *data) {
1194   __kmp_stg_parse_int(name, value, 0, (int)tskm_max,
1195                       (int *)&__kmp_tasking_mode);
1196 } // __kmp_stg_parse_tasking
1197 
1198 static void __kmp_stg_print_tasking(kmp_str_buf_t *buffer, char const *name,
1199                                     void *data) {
1200   __kmp_stg_print_int(buffer, name, __kmp_tasking_mode);
1201 } // __kmp_stg_print_tasking
1202 
1203 static void __kmp_stg_parse_task_stealing(char const *name, char const *value,
1204                                           void *data) {
1205   __kmp_stg_parse_int(name, value, 0, 1,
1206                       (int *)&__kmp_task_stealing_constraint);
1207 } // __kmp_stg_parse_task_stealing
1208 
1209 static void __kmp_stg_print_task_stealing(kmp_str_buf_t *buffer,
1210                                           char const *name, void *data) {
1211   __kmp_stg_print_int(buffer, name, __kmp_task_stealing_constraint);
1212 } // __kmp_stg_print_task_stealing
1213 
1214 static void __kmp_stg_parse_max_active_levels(char const *name,
1215                                               char const *value, void *data) {
1216   kmp_uint64 tmp_dflt = 0;
1217   char const *msg = NULL;
1218   if (!__kmp_dflt_max_active_levels_set) {
1219     // Don't overwrite __kmp_dflt_max_active_levels if we get an invalid setting
1220     __kmp_str_to_uint(value, &tmp_dflt, &msg);
1221     if (msg != NULL) { // invalid setting; print warning and ignore
1222       KMP_WARNING(ParseSizeIntWarn, name, value, msg);
1223     } else if (tmp_dflt > KMP_MAX_ACTIVE_LEVELS_LIMIT) {
1224       // invalid setting; print warning and ignore
1225       msg = KMP_I18N_STR(ValueTooLarge);
1226       KMP_WARNING(ParseSizeIntWarn, name, value, msg);
1227     } else { // valid setting
1228       __kmp_dflt_max_active_levels = tmp_dflt;
1229       __kmp_dflt_max_active_levels_set = true;
1230     }
1231   }
1232 } // __kmp_stg_parse_max_active_levels
1233 
1234 static void __kmp_stg_print_max_active_levels(kmp_str_buf_t *buffer,
1235                                               char const *name, void *data) {
1236   __kmp_stg_print_int(buffer, name, __kmp_dflt_max_active_levels);
1237 } // __kmp_stg_print_max_active_levels
1238 
1239 #if OMP_40_ENABLED
1240 // -----------------------------------------------------------------------------
1241 // OpenMP 4.0: OMP_DEFAULT_DEVICE
1242 static void __kmp_stg_parse_default_device(char const *name, char const *value,
1243                                            void *data) {
1244   __kmp_stg_parse_int(name, value, 0, KMP_MAX_DEFAULT_DEVICE_LIMIT,
1245                       &__kmp_default_device);
1246 } // __kmp_stg_parse_default_device
1247 
1248 static void __kmp_stg_print_default_device(kmp_str_buf_t *buffer,
1249                                            char const *name, void *data) {
1250   __kmp_stg_print_int(buffer, name, __kmp_default_device);
1251 } // __kmp_stg_print_default_device
1252 #endif
1253 
1254 #if OMP_50_ENABLED
1255 // -----------------------------------------------------------------------------
1256 // OpenMP 5.0: OMP_TARGET_OFFLOAD
1257 static void __kmp_stg_parse_target_offload(char const *name, char const *value,
1258                                            void *data) {
1259   const char *next = value;
1260   const char *scan = next;
1261 
1262   __kmp_target_offload = tgt_default;
1263   SKIP_WS(next);
1264   if (*next == '\0')
1265     return;
1266   scan = next;
1267   if (!__kmp_strcasecmp_with_sentinel("mandatory", scan, 0)) {
1268     __kmp_target_offload = tgt_mandatory;
1269   } else if (!__kmp_strcasecmp_with_sentinel("disabled", scan, 0)) {
1270     __kmp_target_offload = tgt_disabled;
1271   } else if (!__kmp_strcasecmp_with_sentinel("default", scan, 0)) {
1272     __kmp_target_offload = tgt_default;
1273   } else {
1274     KMP_WARNING(SyntaxErrorUsing, name, "DEFAULT");
1275   }
1276 
1277 } // __kmp_stg_parse_target_offload
1278 
1279 static void __kmp_stg_print_target_offload(kmp_str_buf_t *buffer,
1280                                            char const *name, void *data) {
1281   const char *value = NULL;
1282   if (__kmp_target_offload == tgt_default)
1283     value = "DEFAULT";
1284   else if (__kmp_target_offload == tgt_mandatory)
1285     value = "MANDATORY";
1286   else if (__kmp_target_offload == tgt_disabled)
1287     value = "DISABLED";
1288   KMP_DEBUG_ASSERT(value);
1289   if (__kmp_env_format) {
1290     KMP_STR_BUF_PRINT_NAME;
1291   } else {
1292     __kmp_str_buf_print(buffer, "   %s", name);
1293   }
1294   __kmp_str_buf_print(buffer, "=%s\n", value);
1295 } // __kmp_stg_print_target_offload
1296 #endif
1297 
1298 #if OMP_45_ENABLED
1299 // -----------------------------------------------------------------------------
1300 // OpenMP 4.5: OMP_MAX_TASK_PRIORITY
1301 static void __kmp_stg_parse_max_task_priority(char const *name,
1302                                               char const *value, void *data) {
1303   __kmp_stg_parse_int(name, value, 0, KMP_MAX_TASK_PRIORITY_LIMIT,
1304                       &__kmp_max_task_priority);
1305 } // __kmp_stg_parse_max_task_priority
1306 
1307 static void __kmp_stg_print_max_task_priority(kmp_str_buf_t *buffer,
1308                                               char const *name, void *data) {
1309   __kmp_stg_print_int(buffer, name, __kmp_max_task_priority);
1310 } // __kmp_stg_print_max_task_priority
1311 
1312 // KMP_TASKLOOP_MIN_TASKS
1313 // taskloop threashold to switch from recursive to linear tasks creation
1314 static void __kmp_stg_parse_taskloop_min_tasks(char const *name,
1315                                                char const *value, void *data) {
1316   int tmp;
1317   __kmp_stg_parse_int(name, value, 0, INT_MAX, &tmp);
1318   __kmp_taskloop_min_tasks = tmp;
1319 } // __kmp_stg_parse_taskloop_min_tasks
1320 
1321 static void __kmp_stg_print_taskloop_min_tasks(kmp_str_buf_t *buffer,
1322                                                char const *name, void *data) {
1323   __kmp_stg_print_int(buffer, name, __kmp_taskloop_min_tasks);
1324 } // __kmp_stg_print_taskloop_min_tasks
1325 #endif // OMP_45_ENABLED
1326 
1327 // -----------------------------------------------------------------------------
1328 // KMP_DISP_NUM_BUFFERS
1329 static void __kmp_stg_parse_disp_buffers(char const *name, char const *value,
1330                                          void *data) {
1331   if (TCR_4(__kmp_init_serial)) {
1332     KMP_WARNING(EnvSerialWarn, name);
1333     return;
1334   } // read value before serial initialization only
1335   __kmp_stg_parse_int(name, value, 1, KMP_MAX_NTH, &__kmp_dispatch_num_buffers);
1336 } // __kmp_stg_parse_disp_buffers
1337 
1338 static void __kmp_stg_print_disp_buffers(kmp_str_buf_t *buffer,
1339                                          char const *name, void *data) {
1340   __kmp_stg_print_int(buffer, name, __kmp_dispatch_num_buffers);
1341 } // __kmp_stg_print_disp_buffers
1342 
1343 #if KMP_NESTED_HOT_TEAMS
1344 // -----------------------------------------------------------------------------
1345 // KMP_HOT_TEAMS_MAX_LEVEL, KMP_HOT_TEAMS_MODE
1346 
1347 static void __kmp_stg_parse_hot_teams_level(char const *name, char const *value,
1348                                             void *data) {
1349   if (TCR_4(__kmp_init_parallel)) {
1350     KMP_WARNING(EnvParallelWarn, name);
1351     return;
1352   } // read value before first parallel only
1353   __kmp_stg_parse_int(name, value, 0, KMP_MAX_ACTIVE_LEVELS_LIMIT,
1354                       &__kmp_hot_teams_max_level);
1355 } // __kmp_stg_parse_hot_teams_level
1356 
1357 static void __kmp_stg_print_hot_teams_level(kmp_str_buf_t *buffer,
1358                                             char const *name, void *data) {
1359   __kmp_stg_print_int(buffer, name, __kmp_hot_teams_max_level);
1360 } // __kmp_stg_print_hot_teams_level
1361 
1362 static void __kmp_stg_parse_hot_teams_mode(char const *name, char const *value,
1363                                            void *data) {
1364   if (TCR_4(__kmp_init_parallel)) {
1365     KMP_WARNING(EnvParallelWarn, name);
1366     return;
1367   } // read value before first parallel only
1368   __kmp_stg_parse_int(name, value, 0, KMP_MAX_ACTIVE_LEVELS_LIMIT,
1369                       &__kmp_hot_teams_mode);
1370 } // __kmp_stg_parse_hot_teams_mode
1371 
1372 static void __kmp_stg_print_hot_teams_mode(kmp_str_buf_t *buffer,
1373                                            char const *name, void *data) {
1374   __kmp_stg_print_int(buffer, name, __kmp_hot_teams_mode);
1375 } // __kmp_stg_print_hot_teams_mode
1376 
1377 #endif // KMP_NESTED_HOT_TEAMS
1378 
1379 // -----------------------------------------------------------------------------
1380 // KMP_HANDLE_SIGNALS
1381 
1382 #if KMP_HANDLE_SIGNALS
1383 
1384 static void __kmp_stg_parse_handle_signals(char const *name, char const *value,
1385                                            void *data) {
1386   __kmp_stg_parse_bool(name, value, &__kmp_handle_signals);
1387 } // __kmp_stg_parse_handle_signals
1388 
1389 static void __kmp_stg_print_handle_signals(kmp_str_buf_t *buffer,
1390                                            char const *name, void *data) {
1391   __kmp_stg_print_bool(buffer, name, __kmp_handle_signals);
1392 } // __kmp_stg_print_handle_signals
1393 
1394 #endif // KMP_HANDLE_SIGNALS
1395 
1396 // -----------------------------------------------------------------------------
1397 // KMP_X_DEBUG, KMP_DEBUG, KMP_DEBUG_BUF_*, KMP_DIAG
1398 
1399 #ifdef KMP_DEBUG
1400 
1401 #define KMP_STG_X_DEBUG(x)                                                     \
1402   static void __kmp_stg_parse_##x##_debug(char const *name, char const *value, \
1403                                           void *data) {                        \
1404     __kmp_stg_parse_int(name, value, 0, INT_MAX, &kmp_##x##_debug);            \
1405   } /* __kmp_stg_parse_x_debug */                                              \
1406   static void __kmp_stg_print_##x##_debug(kmp_str_buf_t *buffer,               \
1407                                           char const *name, void *data) {      \
1408     __kmp_stg_print_int(buffer, name, kmp_##x##_debug);                        \
1409   } /* __kmp_stg_print_x_debug */
1410 
1411 KMP_STG_X_DEBUG(a)
1412 KMP_STG_X_DEBUG(b)
1413 KMP_STG_X_DEBUG(c)
1414 KMP_STG_X_DEBUG(d)
1415 KMP_STG_X_DEBUG(e)
1416 KMP_STG_X_DEBUG(f)
1417 
1418 #undef KMP_STG_X_DEBUG
1419 
1420 static void __kmp_stg_parse_debug(char const *name, char const *value,
1421                                   void *data) {
1422   int debug = 0;
1423   __kmp_stg_parse_int(name, value, 0, INT_MAX, &debug);
1424   if (kmp_a_debug < debug) {
1425     kmp_a_debug = debug;
1426   }
1427   if (kmp_b_debug < debug) {
1428     kmp_b_debug = debug;
1429   }
1430   if (kmp_c_debug < debug) {
1431     kmp_c_debug = debug;
1432   }
1433   if (kmp_d_debug < debug) {
1434     kmp_d_debug = debug;
1435   }
1436   if (kmp_e_debug < debug) {
1437     kmp_e_debug = debug;
1438   }
1439   if (kmp_f_debug < debug) {
1440     kmp_f_debug = debug;
1441   }
1442 } // __kmp_stg_parse_debug
1443 
1444 static void __kmp_stg_parse_debug_buf(char const *name, char const *value,
1445                                       void *data) {
1446   __kmp_stg_parse_bool(name, value, &__kmp_debug_buf);
1447   // !!! TODO: Move buffer initialization of of this file! It may works
1448   // incorrectly if KMP_DEBUG_BUF is parsed before KMP_DEBUG_BUF_LINES or
1449   // KMP_DEBUG_BUF_CHARS.
1450   if (__kmp_debug_buf) {
1451     int i;
1452     int elements = __kmp_debug_buf_lines * __kmp_debug_buf_chars;
1453 
1454     /* allocate and initialize all entries in debug buffer to empty */
1455     __kmp_debug_buffer = (char *)__kmp_page_allocate(elements * sizeof(char));
1456     for (i = 0; i < elements; i += __kmp_debug_buf_chars)
1457       __kmp_debug_buffer[i] = '\0';
1458 
1459     __kmp_debug_count = 0;
1460   }
1461   K_DIAG(1, ("__kmp_debug_buf = %d\n", __kmp_debug_buf));
1462 } // __kmp_stg_parse_debug_buf
1463 
1464 static void __kmp_stg_print_debug_buf(kmp_str_buf_t *buffer, char const *name,
1465                                       void *data) {
1466   __kmp_stg_print_bool(buffer, name, __kmp_debug_buf);
1467 } // __kmp_stg_print_debug_buf
1468 
1469 static void __kmp_stg_parse_debug_buf_atomic(char const *name,
1470                                              char const *value, void *data) {
1471   __kmp_stg_parse_bool(name, value, &__kmp_debug_buf_atomic);
1472 } // __kmp_stg_parse_debug_buf_atomic
1473 
1474 static void __kmp_stg_print_debug_buf_atomic(kmp_str_buf_t *buffer,
1475                                              char const *name, void *data) {
1476   __kmp_stg_print_bool(buffer, name, __kmp_debug_buf_atomic);
1477 } // __kmp_stg_print_debug_buf_atomic
1478 
1479 static void __kmp_stg_parse_debug_buf_chars(char const *name, char const *value,
1480                                             void *data) {
1481   __kmp_stg_parse_int(name, value, KMP_DEBUG_BUF_CHARS_MIN, INT_MAX,
1482                       &__kmp_debug_buf_chars);
1483 } // __kmp_stg_debug_parse_buf_chars
1484 
1485 static void __kmp_stg_print_debug_buf_chars(kmp_str_buf_t *buffer,
1486                                             char const *name, void *data) {
1487   __kmp_stg_print_int(buffer, name, __kmp_debug_buf_chars);
1488 } // __kmp_stg_print_debug_buf_chars
1489 
1490 static void __kmp_stg_parse_debug_buf_lines(char const *name, char const *value,
1491                                             void *data) {
1492   __kmp_stg_parse_int(name, value, KMP_DEBUG_BUF_LINES_MIN, INT_MAX,
1493                       &__kmp_debug_buf_lines);
1494 } // __kmp_stg_parse_debug_buf_lines
1495 
1496 static void __kmp_stg_print_debug_buf_lines(kmp_str_buf_t *buffer,
1497                                             char const *name, void *data) {
1498   __kmp_stg_print_int(buffer, name, __kmp_debug_buf_lines);
1499 } // __kmp_stg_print_debug_buf_lines
1500 
1501 static void __kmp_stg_parse_diag(char const *name, char const *value,
1502                                  void *data) {
1503   __kmp_stg_parse_int(name, value, 0, INT_MAX, &kmp_diag);
1504 } // __kmp_stg_parse_diag
1505 
1506 static void __kmp_stg_print_diag(kmp_str_buf_t *buffer, char const *name,
1507                                  void *data) {
1508   __kmp_stg_print_int(buffer, name, kmp_diag);
1509 } // __kmp_stg_print_diag
1510 
1511 #endif // KMP_DEBUG
1512 
1513 // -----------------------------------------------------------------------------
1514 // KMP_ALIGN_ALLOC
1515 
1516 static void __kmp_stg_parse_align_alloc(char const *name, char const *value,
1517                                         void *data) {
1518   __kmp_stg_parse_size(name, value, CACHE_LINE, INT_MAX, NULL,
1519                        &__kmp_align_alloc, 1);
1520 } // __kmp_stg_parse_align_alloc
1521 
1522 static void __kmp_stg_print_align_alloc(kmp_str_buf_t *buffer, char const *name,
1523                                         void *data) {
1524   __kmp_stg_print_size(buffer, name, __kmp_align_alloc);
1525 } // __kmp_stg_print_align_alloc
1526 
1527 // -----------------------------------------------------------------------------
1528 // KMP_PLAIN_BARRIER, KMP_FORKJOIN_BARRIER, KMP_REDUCTION_BARRIER
1529 
1530 // TODO: Remove __kmp_barrier_branch_bit_env_name varibale, remove loops from
1531 // parse and print functions, pass required info through data argument.
1532 
1533 static void __kmp_stg_parse_barrier_branch_bit(char const *name,
1534                                                char const *value, void *data) {
1535   const char *var;
1536 
1537   /* ---------- Barrier branch bit control ------------ */
1538   for (int i = bs_plain_barrier; i < bs_last_barrier; i++) {
1539     var = __kmp_barrier_branch_bit_env_name[i];
1540     if ((strcmp(var, name) == 0) && (value != 0)) {
1541       char *comma;
1542 
1543       comma = CCAST(char *, strchr(value, ','));
1544       __kmp_barrier_gather_branch_bits[i] =
1545           (kmp_uint32)__kmp_str_to_int(value, ',');
1546       /* is there a specified release parameter? */
1547       if (comma == NULL) {
1548         __kmp_barrier_release_branch_bits[i] = __kmp_barrier_release_bb_dflt;
1549       } else {
1550         __kmp_barrier_release_branch_bits[i] =
1551             (kmp_uint32)__kmp_str_to_int(comma + 1, 0);
1552 
1553         if (__kmp_barrier_release_branch_bits[i] > KMP_MAX_BRANCH_BITS) {
1554           __kmp_msg(kmp_ms_warning,
1555                     KMP_MSG(BarrReleaseValueInvalid, name, comma + 1),
1556                     __kmp_msg_null);
1557           __kmp_barrier_release_branch_bits[i] = __kmp_barrier_release_bb_dflt;
1558         }
1559       }
1560       if (__kmp_barrier_gather_branch_bits[i] > KMP_MAX_BRANCH_BITS) {
1561         KMP_WARNING(BarrGatherValueInvalid, name, value);
1562         KMP_INFORM(Using_uint_Value, name, __kmp_barrier_gather_bb_dflt);
1563         __kmp_barrier_gather_branch_bits[i] = __kmp_barrier_gather_bb_dflt;
1564       }
1565     }
1566     K_DIAG(1, ("%s == %d,%d\n", __kmp_barrier_branch_bit_env_name[i],
1567                __kmp_barrier_gather_branch_bits[i],
1568                __kmp_barrier_release_branch_bits[i]))
1569   }
1570 } // __kmp_stg_parse_barrier_branch_bit
1571 
1572 static void __kmp_stg_print_barrier_branch_bit(kmp_str_buf_t *buffer,
1573                                                char const *name, void *data) {
1574   const char *var;
1575   for (int i = bs_plain_barrier; i < bs_last_barrier; i++) {
1576     var = __kmp_barrier_branch_bit_env_name[i];
1577     if (strcmp(var, name) == 0) {
1578       if (__kmp_env_format) {
1579         KMP_STR_BUF_PRINT_NAME_EX(__kmp_barrier_branch_bit_env_name[i]);
1580       } else {
1581         __kmp_str_buf_print(buffer, "   %s='",
1582                             __kmp_barrier_branch_bit_env_name[i]);
1583       }
1584       __kmp_str_buf_print(buffer, "%d,%d'\n",
1585                           __kmp_barrier_gather_branch_bits[i],
1586                           __kmp_barrier_release_branch_bits[i]);
1587     }
1588   }
1589 } // __kmp_stg_print_barrier_branch_bit
1590 
1591 // ----------------------------------------------------------------------------
1592 // KMP_PLAIN_BARRIER_PATTERN, KMP_FORKJOIN_BARRIER_PATTERN,
1593 // KMP_REDUCTION_BARRIER_PATTERN
1594 
1595 // TODO: Remove __kmp_barrier_pattern_name variable, remove loops from parse and
1596 // print functions, pass required data to functions through data argument.
1597 
1598 static void __kmp_stg_parse_barrier_pattern(char const *name, char const *value,
1599                                             void *data) {
1600   const char *var;
1601   /* ---------- Barrier method control ------------ */
1602 
1603   for (int i = bs_plain_barrier; i < bs_last_barrier; i++) {
1604     var = __kmp_barrier_pattern_env_name[i];
1605 
1606     if ((strcmp(var, name) == 0) && (value != 0)) {
1607       int j;
1608       char *comma = CCAST(char *, strchr(value, ','));
1609 
1610       /* handle first parameter: gather pattern */
1611       for (j = bp_linear_bar; j < bp_last_bar; j++) {
1612         if (__kmp_match_with_sentinel(__kmp_barrier_pattern_name[j], value, 1,
1613                                       ',')) {
1614           __kmp_barrier_gather_pattern[i] = (kmp_bar_pat_e)j;
1615           break;
1616         }
1617       }
1618       if (j == bp_last_bar) {
1619         KMP_WARNING(BarrGatherValueInvalid, name, value);
1620         KMP_INFORM(Using_str_Value, name,
1621                    __kmp_barrier_pattern_name[bp_linear_bar]);
1622       }
1623 
1624       /* handle second parameter: release pattern */
1625       if (comma != NULL) {
1626         for (j = bp_linear_bar; j < bp_last_bar; j++) {
1627           if (__kmp_str_match(__kmp_barrier_pattern_name[j], 1, comma + 1)) {
1628             __kmp_barrier_release_pattern[i] = (kmp_bar_pat_e)j;
1629             break;
1630           }
1631         }
1632         if (j == bp_last_bar) {
1633           __kmp_msg(kmp_ms_warning,
1634                     KMP_MSG(BarrReleaseValueInvalid, name, comma + 1),
1635                     __kmp_msg_null);
1636           KMP_INFORM(Using_str_Value, name,
1637                      __kmp_barrier_pattern_name[bp_linear_bar]);
1638         }
1639       }
1640     }
1641   }
1642 } // __kmp_stg_parse_barrier_pattern
1643 
1644 static void __kmp_stg_print_barrier_pattern(kmp_str_buf_t *buffer,
1645                                             char const *name, void *data) {
1646   const char *var;
1647   for (int i = bs_plain_barrier; i < bs_last_barrier; i++) {
1648     var = __kmp_barrier_pattern_env_name[i];
1649     if (strcmp(var, name) == 0) {
1650       int j = __kmp_barrier_gather_pattern[i];
1651       int k = __kmp_barrier_release_pattern[i];
1652       if (__kmp_env_format) {
1653         KMP_STR_BUF_PRINT_NAME_EX(__kmp_barrier_pattern_env_name[i]);
1654       } else {
1655         __kmp_str_buf_print(buffer, "   %s='",
1656                             __kmp_barrier_pattern_env_name[i]);
1657       }
1658       __kmp_str_buf_print(buffer, "%s,%s'\n", __kmp_barrier_pattern_name[j],
1659                           __kmp_barrier_pattern_name[k]);
1660     }
1661   }
1662 } // __kmp_stg_print_barrier_pattern
1663 
1664 // -----------------------------------------------------------------------------
1665 // KMP_ABORT_DELAY
1666 
1667 static void __kmp_stg_parse_abort_delay(char const *name, char const *value,
1668                                         void *data) {
1669   // Units of KMP_DELAY_ABORT are seconds, units of __kmp_abort_delay is
1670   // milliseconds.
1671   int delay = __kmp_abort_delay / 1000;
1672   __kmp_stg_parse_int(name, value, 0, INT_MAX / 1000, &delay);
1673   __kmp_abort_delay = delay * 1000;
1674 } // __kmp_stg_parse_abort_delay
1675 
1676 static void __kmp_stg_print_abort_delay(kmp_str_buf_t *buffer, char const *name,
1677                                         void *data) {
1678   __kmp_stg_print_int(buffer, name, __kmp_abort_delay);
1679 } // __kmp_stg_print_abort_delay
1680 
1681 // -----------------------------------------------------------------------------
1682 // KMP_CPUINFO_FILE
1683 
1684 static void __kmp_stg_parse_cpuinfo_file(char const *name, char const *value,
1685                                          void *data) {
1686 #if KMP_AFFINITY_SUPPORTED
1687   __kmp_stg_parse_str(name, value, &__kmp_cpuinfo_file);
1688   K_DIAG(1, ("__kmp_cpuinfo_file == %s\n", __kmp_cpuinfo_file));
1689 #endif
1690 } //__kmp_stg_parse_cpuinfo_file
1691 
1692 static void __kmp_stg_print_cpuinfo_file(kmp_str_buf_t *buffer,
1693                                          char const *name, void *data) {
1694 #if KMP_AFFINITY_SUPPORTED
1695   if (__kmp_env_format) {
1696     KMP_STR_BUF_PRINT_NAME;
1697   } else {
1698     __kmp_str_buf_print(buffer, "   %s", name);
1699   }
1700   if (__kmp_cpuinfo_file) {
1701     __kmp_str_buf_print(buffer, "='%s'\n", __kmp_cpuinfo_file);
1702   } else {
1703     __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
1704   }
1705 #endif
1706 } //__kmp_stg_print_cpuinfo_file
1707 
1708 // -----------------------------------------------------------------------------
1709 // KMP_FORCE_REDUCTION, KMP_DETERMINISTIC_REDUCTION
1710 
1711 static void __kmp_stg_parse_force_reduction(char const *name, char const *value,
1712                                             void *data) {
1713   kmp_stg_fr_data_t *reduction = (kmp_stg_fr_data_t *)data;
1714   int rc;
1715 
1716   rc = __kmp_stg_check_rivals(name, value, reduction->rivals);
1717   if (rc) {
1718     return;
1719   }
1720   if (reduction->force) {
1721     if (value != 0) {
1722       if (__kmp_str_match("critical", 0, value))
1723         __kmp_force_reduction_method = critical_reduce_block;
1724       else if (__kmp_str_match("atomic", 0, value))
1725         __kmp_force_reduction_method = atomic_reduce_block;
1726       else if (__kmp_str_match("tree", 0, value))
1727         __kmp_force_reduction_method = tree_reduce_block;
1728       else {
1729         KMP_FATAL(UnknownForceReduction, name, value);
1730       }
1731     }
1732   } else {
1733     __kmp_stg_parse_bool(name, value, &__kmp_determ_red);
1734     if (__kmp_determ_red) {
1735       __kmp_force_reduction_method = tree_reduce_block;
1736     } else {
1737       __kmp_force_reduction_method = reduction_method_not_defined;
1738     }
1739   }
1740   K_DIAG(1, ("__kmp_force_reduction_method == %d\n",
1741              __kmp_force_reduction_method));
1742 } // __kmp_stg_parse_force_reduction
1743 
1744 static void __kmp_stg_print_force_reduction(kmp_str_buf_t *buffer,
1745                                             char const *name, void *data) {
1746 
1747   kmp_stg_fr_data_t *reduction = (kmp_stg_fr_data_t *)data;
1748   if (reduction->force) {
1749     if (__kmp_force_reduction_method == critical_reduce_block) {
1750       __kmp_stg_print_str(buffer, name, "critical");
1751     } else if (__kmp_force_reduction_method == atomic_reduce_block) {
1752       __kmp_stg_print_str(buffer, name, "atomic");
1753     } else if (__kmp_force_reduction_method == tree_reduce_block) {
1754       __kmp_stg_print_str(buffer, name, "tree");
1755     } else {
1756       if (__kmp_env_format) {
1757         KMP_STR_BUF_PRINT_NAME;
1758       } else {
1759         __kmp_str_buf_print(buffer, "   %s", name);
1760       }
1761       __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
1762     }
1763   } else {
1764     __kmp_stg_print_bool(buffer, name, __kmp_determ_red);
1765   }
1766 
1767 } // __kmp_stg_print_force_reduction
1768 
1769 // -----------------------------------------------------------------------------
1770 // KMP_STORAGE_MAP
1771 
1772 static void __kmp_stg_parse_storage_map(char const *name, char const *value,
1773                                         void *data) {
1774   if (__kmp_str_match("verbose", 1, value)) {
1775     __kmp_storage_map = TRUE;
1776     __kmp_storage_map_verbose = TRUE;
1777     __kmp_storage_map_verbose_specified = TRUE;
1778 
1779   } else {
1780     __kmp_storage_map_verbose = FALSE;
1781     __kmp_stg_parse_bool(name, value, &__kmp_storage_map); // !!!
1782   }
1783 } // __kmp_stg_parse_storage_map
1784 
1785 static void __kmp_stg_print_storage_map(kmp_str_buf_t *buffer, char const *name,
1786                                         void *data) {
1787   if (__kmp_storage_map_verbose || __kmp_storage_map_verbose_specified) {
1788     __kmp_stg_print_str(buffer, name, "verbose");
1789   } else {
1790     __kmp_stg_print_bool(buffer, name, __kmp_storage_map);
1791   }
1792 } // __kmp_stg_print_storage_map
1793 
1794 // -----------------------------------------------------------------------------
1795 // KMP_ALL_THREADPRIVATE
1796 
1797 static void __kmp_stg_parse_all_threadprivate(char const *name,
1798                                               char const *value, void *data) {
1799   __kmp_stg_parse_int(name, value,
1800                       __kmp_allThreadsSpecified ? __kmp_max_nth : 1,
1801                       __kmp_max_nth, &__kmp_tp_capacity);
1802 } // __kmp_stg_parse_all_threadprivate
1803 
1804 static void __kmp_stg_print_all_threadprivate(kmp_str_buf_t *buffer,
1805                                               char const *name, void *data) {
1806   __kmp_stg_print_int(buffer, name, __kmp_tp_capacity);
1807 }
1808 
1809 // -----------------------------------------------------------------------------
1810 // KMP_FOREIGN_THREADS_THREADPRIVATE
1811 
1812 static void __kmp_stg_parse_foreign_threads_threadprivate(char const *name,
1813                                                           char const *value,
1814                                                           void *data) {
1815   __kmp_stg_parse_bool(name, value, &__kmp_foreign_tp);
1816 } // __kmp_stg_parse_foreign_threads_threadprivate
1817 
1818 static void __kmp_stg_print_foreign_threads_threadprivate(kmp_str_buf_t *buffer,
1819                                                           char const *name,
1820                                                           void *data) {
1821   __kmp_stg_print_bool(buffer, name, __kmp_foreign_tp);
1822 } // __kmp_stg_print_foreign_threads_threadprivate
1823 
1824 // -----------------------------------------------------------------------------
1825 // KMP_AFFINITY, GOMP_CPU_AFFINITY, KMP_TOPOLOGY_METHOD
1826 
1827 #if KMP_AFFINITY_SUPPORTED
1828 // Parse the proc id list.  Return TRUE if successful, FALSE otherwise.
1829 static int __kmp_parse_affinity_proc_id_list(const char *var, const char *env,
1830                                              const char **nextEnv,
1831                                              char **proclist) {
1832   const char *scan = env;
1833   const char *next = scan;
1834   int empty = TRUE;
1835 
1836   *proclist = NULL;
1837 
1838   for (;;) {
1839     int start, end, stride;
1840 
1841     SKIP_WS(scan);
1842     next = scan;
1843     if (*next == '\0') {
1844       break;
1845     }
1846 
1847     if (*next == '{') {
1848       int num;
1849       next++; // skip '{'
1850       SKIP_WS(next);
1851       scan = next;
1852 
1853       // Read the first integer in the set.
1854       if ((*next < '0') || (*next > '9')) {
1855         KMP_WARNING(AffSyntaxError, var);
1856         return FALSE;
1857       }
1858       SKIP_DIGITS(next);
1859       num = __kmp_str_to_int(scan, *next);
1860       KMP_ASSERT(num >= 0);
1861 
1862       for (;;) {
1863         // Check for end of set.
1864         SKIP_WS(next);
1865         if (*next == '}') {
1866           next++; // skip '}'
1867           break;
1868         }
1869 
1870         // Skip optional comma.
1871         if (*next == ',') {
1872           next++;
1873         }
1874         SKIP_WS(next);
1875 
1876         // Read the next integer in the set.
1877         scan = next;
1878         if ((*next < '0') || (*next > '9')) {
1879           KMP_WARNING(AffSyntaxError, var);
1880           return FALSE;
1881         }
1882 
1883         SKIP_DIGITS(next);
1884         num = __kmp_str_to_int(scan, *next);
1885         KMP_ASSERT(num >= 0);
1886       }
1887       empty = FALSE;
1888 
1889       SKIP_WS(next);
1890       if (*next == ',') {
1891         next++;
1892       }
1893       scan = next;
1894       continue;
1895     }
1896 
1897     // Next character is not an integer => end of list
1898     if ((*next < '0') || (*next > '9')) {
1899       if (empty) {
1900         KMP_WARNING(AffSyntaxError, var);
1901         return FALSE;
1902       }
1903       break;
1904     }
1905 
1906     // Read the first integer.
1907     SKIP_DIGITS(next);
1908     start = __kmp_str_to_int(scan, *next);
1909     KMP_ASSERT(start >= 0);
1910     SKIP_WS(next);
1911 
1912     // If this isn't a range, then go on.
1913     if (*next != '-') {
1914       empty = FALSE;
1915 
1916       // Skip optional comma.
1917       if (*next == ',') {
1918         next++;
1919       }
1920       scan = next;
1921       continue;
1922     }
1923 
1924     // This is a range.  Skip over the '-' and read in the 2nd int.
1925     next++; // skip '-'
1926     SKIP_WS(next);
1927     scan = next;
1928     if ((*next < '0') || (*next > '9')) {
1929       KMP_WARNING(AffSyntaxError, var);
1930       return FALSE;
1931     }
1932     SKIP_DIGITS(next);
1933     end = __kmp_str_to_int(scan, *next);
1934     KMP_ASSERT(end >= 0);
1935 
1936     // Check for a stride parameter
1937     stride = 1;
1938     SKIP_WS(next);
1939     if (*next == ':') {
1940       // A stride is specified.  Skip over the ':" and read the 3rd int.
1941       int sign = +1;
1942       next++; // skip ':'
1943       SKIP_WS(next);
1944       scan = next;
1945       if (*next == '-') {
1946         sign = -1;
1947         next++;
1948         SKIP_WS(next);
1949         scan = next;
1950       }
1951       if ((*next < '0') || (*next > '9')) {
1952         KMP_WARNING(AffSyntaxError, var);
1953         return FALSE;
1954       }
1955       SKIP_DIGITS(next);
1956       stride = __kmp_str_to_int(scan, *next);
1957       KMP_ASSERT(stride >= 0);
1958       stride *= sign;
1959     }
1960 
1961     // Do some range checks.
1962     if (stride == 0) {
1963       KMP_WARNING(AffZeroStride, var);
1964       return FALSE;
1965     }
1966     if (stride > 0) {
1967       if (start > end) {
1968         KMP_WARNING(AffStartGreaterEnd, var, start, end);
1969         return FALSE;
1970       }
1971     } else {
1972       if (start < end) {
1973         KMP_WARNING(AffStrideLessZero, var, start, end);
1974         return FALSE;
1975       }
1976     }
1977     if ((end - start) / stride > 65536) {
1978       KMP_WARNING(AffRangeTooBig, var, end, start, stride);
1979       return FALSE;
1980     }
1981 
1982     empty = FALSE;
1983 
1984     // Skip optional comma.
1985     SKIP_WS(next);
1986     if (*next == ',') {
1987       next++;
1988     }
1989     scan = next;
1990   }
1991 
1992   *nextEnv = next;
1993 
1994   {
1995     int len = next - env;
1996     char *retlist = (char *)__kmp_allocate((len + 1) * sizeof(char));
1997     KMP_MEMCPY_S(retlist, (len + 1) * sizeof(char), env, len * sizeof(char));
1998     retlist[len] = '\0';
1999     *proclist = retlist;
2000   }
2001   return TRUE;
2002 }
2003 
2004 // If KMP_AFFINITY is specified without a type, then
2005 // __kmp_affinity_notype should point to its setting.
2006 static kmp_setting_t *__kmp_affinity_notype = NULL;
2007 
2008 static void __kmp_parse_affinity_env(char const *name, char const *value,
2009                                      enum affinity_type *out_type,
2010                                      char **out_proclist, int *out_verbose,
2011                                      int *out_warn, int *out_respect,
2012                                      enum affinity_gran *out_gran,
2013                                      int *out_gran_levels, int *out_dups,
2014                                      int *out_compact, int *out_offset) {
2015   char *buffer = NULL; // Copy of env var value.
2016   char *buf = NULL; // Buffer for strtok_r() function.
2017   char *next = NULL; // end of token / start of next.
2018   const char *start; // start of current token (for err msgs)
2019   int count = 0; // Counter of parsed integer numbers.
2020   int number[2]; // Parsed numbers.
2021 
2022   // Guards.
2023   int type = 0;
2024   int proclist = 0;
2025   int verbose = 0;
2026   int warnings = 0;
2027   int respect = 0;
2028   int gran = 0;
2029   int dups = 0;
2030 
2031   KMP_ASSERT(value != NULL);
2032 
2033   if (TCR_4(__kmp_init_middle)) {
2034     KMP_WARNING(EnvMiddleWarn, name);
2035     __kmp_env_toPrint(name, 0);
2036     return;
2037   }
2038   __kmp_env_toPrint(name, 1);
2039 
2040   buffer =
2041       __kmp_str_format("%s", value); // Copy env var to keep original intact.
2042   buf = buffer;
2043   SKIP_WS(buf);
2044 
2045 // Helper macros.
2046 
2047 // If we see a parse error, emit a warning and scan to the next ",".
2048 //
2049 // FIXME - there's got to be a better way to print an error
2050 // message, hopefully without overwritting peices of buf.
2051 #define EMIT_WARN(skip, errlist)                                               \
2052   {                                                                            \
2053     char ch;                                                                   \
2054     if (skip) {                                                                \
2055       SKIP_TO(next, ',');                                                      \
2056     }                                                                          \
2057     ch = *next;                                                                \
2058     *next = '\0';                                                              \
2059     KMP_WARNING errlist;                                                       \
2060     *next = ch;                                                                \
2061     if (skip) {                                                                \
2062       if (ch == ',')                                                           \
2063         next++;                                                                \
2064     }                                                                          \
2065     buf = next;                                                                \
2066   }
2067 
2068 #define _set_param(_guard, _var, _val)                                         \
2069   {                                                                            \
2070     if (_guard == 0) {                                                         \
2071       _var = _val;                                                             \
2072     } else {                                                                   \
2073       EMIT_WARN(FALSE, (AffParamDefined, name, start));                        \
2074     }                                                                          \
2075     ++_guard;                                                                  \
2076   }
2077 
2078 #define set_type(val) _set_param(type, *out_type, val)
2079 #define set_verbose(val) _set_param(verbose, *out_verbose, val)
2080 #define set_warnings(val) _set_param(warnings, *out_warn, val)
2081 #define set_respect(val) _set_param(respect, *out_respect, val)
2082 #define set_dups(val) _set_param(dups, *out_dups, val)
2083 #define set_proclist(val) _set_param(proclist, *out_proclist, val)
2084 
2085 #define set_gran(val, levels)                                                  \
2086   {                                                                            \
2087     if (gran == 0) {                                                           \
2088       *out_gran = val;                                                         \
2089       *out_gran_levels = levels;                                               \
2090     } else {                                                                   \
2091       EMIT_WARN(FALSE, (AffParamDefined, name, start));                        \
2092     }                                                                          \
2093     ++gran;                                                                    \
2094   }
2095 
2096 #if OMP_40_ENABLED
2097   KMP_DEBUG_ASSERT((__kmp_nested_proc_bind.bind_types != NULL) &&
2098                    (__kmp_nested_proc_bind.used > 0));
2099 #endif
2100 
2101   while (*buf != '\0') {
2102     start = next = buf;
2103 
2104     if (__kmp_match_str("none", buf, CCAST(const char **, &next))) {
2105       set_type(affinity_none);
2106 #if OMP_40_ENABLED
2107       __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
2108 #endif
2109       buf = next;
2110     } else if (__kmp_match_str("scatter", buf, CCAST(const char **, &next))) {
2111       set_type(affinity_scatter);
2112 #if OMP_40_ENABLED
2113       __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
2114 #endif
2115       buf = next;
2116     } else if (__kmp_match_str("compact", buf, CCAST(const char **, &next))) {
2117       set_type(affinity_compact);
2118 #if OMP_40_ENABLED
2119       __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
2120 #endif
2121       buf = next;
2122     } else if (__kmp_match_str("logical", buf, CCAST(const char **, &next))) {
2123       set_type(affinity_logical);
2124 #if OMP_40_ENABLED
2125       __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
2126 #endif
2127       buf = next;
2128     } else if (__kmp_match_str("physical", buf, CCAST(const char **, &next))) {
2129       set_type(affinity_physical);
2130 #if OMP_40_ENABLED
2131       __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
2132 #endif
2133       buf = next;
2134     } else if (__kmp_match_str("explicit", buf, CCAST(const char **, &next))) {
2135       set_type(affinity_explicit);
2136 #if OMP_40_ENABLED
2137       __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
2138 #endif
2139       buf = next;
2140     } else if (__kmp_match_str("balanced", buf, CCAST(const char **, &next))) {
2141       set_type(affinity_balanced);
2142 #if OMP_40_ENABLED
2143       __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
2144 #endif
2145       buf = next;
2146     } else if (__kmp_match_str("disabled", buf, CCAST(const char **, &next))) {
2147       set_type(affinity_disabled);
2148 #if OMP_40_ENABLED
2149       __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
2150 #endif
2151       buf = next;
2152     } else if (__kmp_match_str("verbose", buf, CCAST(const char **, &next))) {
2153       set_verbose(TRUE);
2154       buf = next;
2155     } else if (__kmp_match_str("noverbose", buf, CCAST(const char **, &next))) {
2156       set_verbose(FALSE);
2157       buf = next;
2158     } else if (__kmp_match_str("warnings", buf, CCAST(const char **, &next))) {
2159       set_warnings(TRUE);
2160       buf = next;
2161     } else if (__kmp_match_str("nowarnings", buf,
2162                                CCAST(const char **, &next))) {
2163       set_warnings(FALSE);
2164       buf = next;
2165     } else if (__kmp_match_str("respect", buf, CCAST(const char **, &next))) {
2166       set_respect(TRUE);
2167       buf = next;
2168     } else if (__kmp_match_str("norespect", buf, CCAST(const char **, &next))) {
2169       set_respect(FALSE);
2170       buf = next;
2171     } else if (__kmp_match_str("duplicates", buf,
2172                                CCAST(const char **, &next)) ||
2173                __kmp_match_str("dups", buf, CCAST(const char **, &next))) {
2174       set_dups(TRUE);
2175       buf = next;
2176     } else if (__kmp_match_str("noduplicates", buf,
2177                                CCAST(const char **, &next)) ||
2178                __kmp_match_str("nodups", buf, CCAST(const char **, &next))) {
2179       set_dups(FALSE);
2180       buf = next;
2181     } else if (__kmp_match_str("granularity", buf,
2182                                CCAST(const char **, &next)) ||
2183                __kmp_match_str("gran", buf, CCAST(const char **, &next))) {
2184       SKIP_WS(next);
2185       if (*next != '=') {
2186         EMIT_WARN(TRUE, (AffInvalidParam, name, start));
2187         continue;
2188       }
2189       next++; // skip '='
2190       SKIP_WS(next);
2191 
2192       buf = next;
2193       if (__kmp_match_str("fine", buf, CCAST(const char **, &next))) {
2194         set_gran(affinity_gran_fine, -1);
2195         buf = next;
2196       } else if (__kmp_match_str("thread", buf, CCAST(const char **, &next))) {
2197         set_gran(affinity_gran_thread, -1);
2198         buf = next;
2199       } else if (__kmp_match_str("core", buf, CCAST(const char **, &next))) {
2200         set_gran(affinity_gran_core, -1);
2201         buf = next;
2202 #if KMP_USE_HWLOC
2203       } else if (__kmp_match_str("tile", buf, CCAST(const char **, &next))) {
2204         set_gran(affinity_gran_tile, -1);
2205         buf = next;
2206 #endif
2207       } else if (__kmp_match_str("package", buf, CCAST(const char **, &next))) {
2208         set_gran(affinity_gran_package, -1);
2209         buf = next;
2210       } else if (__kmp_match_str("node", buf, CCAST(const char **, &next))) {
2211         set_gran(affinity_gran_node, -1);
2212         buf = next;
2213 #if KMP_GROUP_AFFINITY
2214       } else if (__kmp_match_str("group", buf, CCAST(const char **, &next))) {
2215         set_gran(affinity_gran_group, -1);
2216         buf = next;
2217 #endif /* KMP_GROUP AFFINITY */
2218       } else if ((*buf >= '0') && (*buf <= '9')) {
2219         int n;
2220         next = buf;
2221         SKIP_DIGITS(next);
2222         n = __kmp_str_to_int(buf, *next);
2223         KMP_ASSERT(n >= 0);
2224         buf = next;
2225         set_gran(affinity_gran_default, n);
2226       } else {
2227         EMIT_WARN(TRUE, (AffInvalidParam, name, start));
2228         continue;
2229       }
2230     } else if (__kmp_match_str("proclist", buf, CCAST(const char **, &next))) {
2231       char *temp_proclist;
2232 
2233       SKIP_WS(next);
2234       if (*next != '=') {
2235         EMIT_WARN(TRUE, (AffInvalidParam, name, start));
2236         continue;
2237       }
2238       next++; // skip '='
2239       SKIP_WS(next);
2240       if (*next != '[') {
2241         EMIT_WARN(TRUE, (AffInvalidParam, name, start));
2242         continue;
2243       }
2244       next++; // skip '['
2245       buf = next;
2246       if (!__kmp_parse_affinity_proc_id_list(
2247               name, buf, CCAST(const char **, &next), &temp_proclist)) {
2248         // warning already emitted.
2249         SKIP_TO(next, ']');
2250         if (*next == ']')
2251           next++;
2252         SKIP_TO(next, ',');
2253         if (*next == ',')
2254           next++;
2255         buf = next;
2256         continue;
2257       }
2258       if (*next != ']') {
2259         EMIT_WARN(TRUE, (AffInvalidParam, name, start));
2260         continue;
2261       }
2262       next++; // skip ']'
2263       set_proclist(temp_proclist);
2264     } else if ((*buf >= '0') && (*buf <= '9')) {
2265       // Parse integer numbers -- permute and offset.
2266       int n;
2267       next = buf;
2268       SKIP_DIGITS(next);
2269       n = __kmp_str_to_int(buf, *next);
2270       KMP_ASSERT(n >= 0);
2271       buf = next;
2272       if (count < 2) {
2273         number[count] = n;
2274       } else {
2275         KMP_WARNING(AffManyParams, name, start);
2276       }
2277       ++count;
2278     } else {
2279       EMIT_WARN(TRUE, (AffInvalidParam, name, start));
2280       continue;
2281     }
2282 
2283     SKIP_WS(next);
2284     if (*next == ',') {
2285       next++;
2286       SKIP_WS(next);
2287     } else if (*next != '\0') {
2288       const char *temp = next;
2289       EMIT_WARN(TRUE, (ParseExtraCharsWarn, name, temp));
2290       continue;
2291     }
2292     buf = next;
2293   } // while
2294 
2295 #undef EMIT_WARN
2296 #undef _set_param
2297 #undef set_type
2298 #undef set_verbose
2299 #undef set_warnings
2300 #undef set_respect
2301 #undef set_granularity
2302 
2303   __kmp_str_free(&buffer);
2304 
2305   if (proclist) {
2306     if (!type) {
2307       KMP_WARNING(AffProcListNoType, name);
2308       *out_type = affinity_explicit;
2309 #if OMP_40_ENABLED
2310       __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
2311 #endif
2312     } else if (*out_type != affinity_explicit) {
2313       KMP_WARNING(AffProcListNotExplicit, name);
2314       KMP_ASSERT(*out_proclist != NULL);
2315       KMP_INTERNAL_FREE(*out_proclist);
2316       *out_proclist = NULL;
2317     }
2318   }
2319   switch (*out_type) {
2320   case affinity_logical:
2321   case affinity_physical: {
2322     if (count > 0) {
2323       *out_offset = number[0];
2324     }
2325     if (count > 1) {
2326       KMP_WARNING(AffManyParamsForLogic, name, number[1]);
2327     }
2328   } break;
2329   case affinity_balanced: {
2330     if (count > 0) {
2331       *out_compact = number[0];
2332     }
2333     if (count > 1) {
2334       *out_offset = number[1];
2335     }
2336 
2337     if (__kmp_affinity_gran == affinity_gran_default) {
2338 #if KMP_MIC_SUPPORTED
2339       if (__kmp_mic_type != non_mic) {
2340         if (__kmp_affinity_verbose || __kmp_affinity_warnings) {
2341           KMP_WARNING(AffGranUsing, "KMP_AFFINITY", "fine");
2342         }
2343         __kmp_affinity_gran = affinity_gran_fine;
2344       } else
2345 #endif
2346       {
2347         if (__kmp_affinity_verbose || __kmp_affinity_warnings) {
2348           KMP_WARNING(AffGranUsing, "KMP_AFFINITY", "core");
2349         }
2350         __kmp_affinity_gran = affinity_gran_core;
2351       }
2352     }
2353   } break;
2354   case affinity_scatter:
2355   case affinity_compact: {
2356     if (count > 0) {
2357       *out_compact = number[0];
2358     }
2359     if (count > 1) {
2360       *out_offset = number[1];
2361     }
2362   } break;
2363   case affinity_explicit: {
2364     if (*out_proclist == NULL) {
2365       KMP_WARNING(AffNoProcList, name);
2366       __kmp_affinity_type = affinity_none;
2367     }
2368     if (count > 0) {
2369       KMP_WARNING(AffNoParam, name, "explicit");
2370     }
2371   } break;
2372   case affinity_none: {
2373     if (count > 0) {
2374       KMP_WARNING(AffNoParam, name, "none");
2375     }
2376   } break;
2377   case affinity_disabled: {
2378     if (count > 0) {
2379       KMP_WARNING(AffNoParam, name, "disabled");
2380     }
2381   } break;
2382   case affinity_default: {
2383     if (count > 0) {
2384       KMP_WARNING(AffNoParam, name, "default");
2385     }
2386   } break;
2387   default: { KMP_ASSERT(0); }
2388   }
2389 } // __kmp_parse_affinity_env
2390 
2391 static void __kmp_stg_parse_affinity(char const *name, char const *value,
2392                                      void *data) {
2393   kmp_setting_t **rivals = (kmp_setting_t **)data;
2394   int rc;
2395 
2396   rc = __kmp_stg_check_rivals(name, value, rivals);
2397   if (rc) {
2398     return;
2399   }
2400 
2401   __kmp_parse_affinity_env(name, value, &__kmp_affinity_type,
2402                            &__kmp_affinity_proclist, &__kmp_affinity_verbose,
2403                            &__kmp_affinity_warnings,
2404                            &__kmp_affinity_respect_mask, &__kmp_affinity_gran,
2405                            &__kmp_affinity_gran_levels, &__kmp_affinity_dups,
2406                            &__kmp_affinity_compact, &__kmp_affinity_offset);
2407 
2408 } // __kmp_stg_parse_affinity
2409 
2410 static void __kmp_stg_print_affinity(kmp_str_buf_t *buffer, char const *name,
2411                                      void *data) {
2412   if (__kmp_env_format) {
2413     KMP_STR_BUF_PRINT_NAME_EX(name);
2414   } else {
2415     __kmp_str_buf_print(buffer, "   %s='", name);
2416   }
2417   if (__kmp_affinity_verbose) {
2418     __kmp_str_buf_print(buffer, "%s,", "verbose");
2419   } else {
2420     __kmp_str_buf_print(buffer, "%s,", "noverbose");
2421   }
2422   if (__kmp_affinity_warnings) {
2423     __kmp_str_buf_print(buffer, "%s,", "warnings");
2424   } else {
2425     __kmp_str_buf_print(buffer, "%s,", "nowarnings");
2426   }
2427   if (KMP_AFFINITY_CAPABLE()) {
2428     if (__kmp_affinity_respect_mask) {
2429       __kmp_str_buf_print(buffer, "%s,", "respect");
2430     } else {
2431       __kmp_str_buf_print(buffer, "%s,", "norespect");
2432     }
2433     switch (__kmp_affinity_gran) {
2434     case affinity_gran_default:
2435       __kmp_str_buf_print(buffer, "%s", "granularity=default,");
2436       break;
2437     case affinity_gran_fine:
2438       __kmp_str_buf_print(buffer, "%s", "granularity=fine,");
2439       break;
2440     case affinity_gran_thread:
2441       __kmp_str_buf_print(buffer, "%s", "granularity=thread,");
2442       break;
2443     case affinity_gran_core:
2444       __kmp_str_buf_print(buffer, "%s", "granularity=core,");
2445       break;
2446     case affinity_gran_package:
2447       __kmp_str_buf_print(buffer, "%s", "granularity=package,");
2448       break;
2449     case affinity_gran_node:
2450       __kmp_str_buf_print(buffer, "%s", "granularity=node,");
2451       break;
2452 #if KMP_GROUP_AFFINITY
2453     case affinity_gran_group:
2454       __kmp_str_buf_print(buffer, "%s", "granularity=group,");
2455       break;
2456 #endif /* KMP_GROUP_AFFINITY */
2457     }
2458   }
2459   if (!KMP_AFFINITY_CAPABLE()) {
2460     __kmp_str_buf_print(buffer, "%s", "disabled");
2461   } else
2462     switch (__kmp_affinity_type) {
2463     case affinity_none:
2464       __kmp_str_buf_print(buffer, "%s", "none");
2465       break;
2466     case affinity_physical:
2467       __kmp_str_buf_print(buffer, "%s,%d", "physical", __kmp_affinity_offset);
2468       break;
2469     case affinity_logical:
2470       __kmp_str_buf_print(buffer, "%s,%d", "logical", __kmp_affinity_offset);
2471       break;
2472     case affinity_compact:
2473       __kmp_str_buf_print(buffer, "%s,%d,%d", "compact", __kmp_affinity_compact,
2474                           __kmp_affinity_offset);
2475       break;
2476     case affinity_scatter:
2477       __kmp_str_buf_print(buffer, "%s,%d,%d", "scatter", __kmp_affinity_compact,
2478                           __kmp_affinity_offset);
2479       break;
2480     case affinity_explicit:
2481       __kmp_str_buf_print(buffer, "%s=[%s],%s", "proclist",
2482                           __kmp_affinity_proclist, "explicit");
2483       break;
2484     case affinity_balanced:
2485       __kmp_str_buf_print(buffer, "%s,%d,%d", "balanced",
2486                           __kmp_affinity_compact, __kmp_affinity_offset);
2487       break;
2488     case affinity_disabled:
2489       __kmp_str_buf_print(buffer, "%s", "disabled");
2490       break;
2491     case affinity_default:
2492       __kmp_str_buf_print(buffer, "%s", "default");
2493       break;
2494     default:
2495       __kmp_str_buf_print(buffer, "%s", "<unknown>");
2496       break;
2497     }
2498   __kmp_str_buf_print(buffer, "'\n");
2499 } //__kmp_stg_print_affinity
2500 
2501 #ifdef KMP_GOMP_COMPAT
2502 
2503 static void __kmp_stg_parse_gomp_cpu_affinity(char const *name,
2504                                               char const *value, void *data) {
2505   const char *next = NULL;
2506   char *temp_proclist;
2507   kmp_setting_t **rivals = (kmp_setting_t **)data;
2508   int rc;
2509 
2510   rc = __kmp_stg_check_rivals(name, value, rivals);
2511   if (rc) {
2512     return;
2513   }
2514 
2515   if (TCR_4(__kmp_init_middle)) {
2516     KMP_WARNING(EnvMiddleWarn, name);
2517     __kmp_env_toPrint(name, 0);
2518     return;
2519   }
2520 
2521   __kmp_env_toPrint(name, 1);
2522 
2523   if (__kmp_parse_affinity_proc_id_list(name, value, &next, &temp_proclist)) {
2524     SKIP_WS(next);
2525     if (*next == '\0') {
2526       // GOMP_CPU_AFFINITY => granularity=fine,explicit,proclist=...
2527       __kmp_affinity_proclist = temp_proclist;
2528       __kmp_affinity_type = affinity_explicit;
2529       __kmp_affinity_gran = affinity_gran_fine;
2530 #if OMP_40_ENABLED
2531       __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
2532 #endif
2533     } else {
2534       KMP_WARNING(AffSyntaxError, name);
2535       if (temp_proclist != NULL) {
2536         KMP_INTERNAL_FREE((void *)temp_proclist);
2537       }
2538     }
2539   } else {
2540     // Warning already emitted
2541     __kmp_affinity_type = affinity_none;
2542 #if OMP_40_ENABLED
2543     __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
2544 #endif
2545   }
2546 } // __kmp_stg_parse_gomp_cpu_affinity
2547 
2548 #endif /* KMP_GOMP_COMPAT */
2549 
2550 #if OMP_40_ENABLED
2551 
2552 /*-----------------------------------------------------------------------------
2553 The OMP_PLACES proc id list parser. Here is the grammar:
2554 
2555 place_list := place
2556 place_list := place , place_list
2557 place := num
2558 place := place : num
2559 place := place : num : signed
2560 place := { subplacelist }
2561 place := ! place                  // (lowest priority)
2562 subplace_list := subplace
2563 subplace_list := subplace , subplace_list
2564 subplace := num
2565 subplace := num : num
2566 subplace := num : num : signed
2567 signed := num
2568 signed := + signed
2569 signed := - signed
2570 -----------------------------------------------------------------------------*/
2571 
2572 static int __kmp_parse_subplace_list(const char *var, const char **scan) {
2573   const char *next;
2574 
2575   for (;;) {
2576     int start, count, stride;
2577 
2578     //
2579     // Read in the starting proc id
2580     //
2581     SKIP_WS(*scan);
2582     if ((**scan < '0') || (**scan > '9')) {
2583       KMP_WARNING(SyntaxErrorUsing, var, "\"threads\"");
2584       return FALSE;
2585     }
2586     next = *scan;
2587     SKIP_DIGITS(next);
2588     start = __kmp_str_to_int(*scan, *next);
2589     KMP_ASSERT(start >= 0);
2590     *scan = next;
2591 
2592     // valid follow sets are ',' ':' and '}'
2593     SKIP_WS(*scan);
2594     if (**scan == '}') {
2595       break;
2596     }
2597     if (**scan == ',') {
2598       (*scan)++; // skip ','
2599       continue;
2600     }
2601     if (**scan != ':') {
2602       KMP_WARNING(SyntaxErrorUsing, var, "\"threads\"");
2603       return FALSE;
2604     }
2605     (*scan)++; // skip ':'
2606 
2607     // Read count parameter
2608     SKIP_WS(*scan);
2609     if ((**scan < '0') || (**scan > '9')) {
2610       KMP_WARNING(SyntaxErrorUsing, var, "\"threads\"");
2611       return FALSE;
2612     }
2613     next = *scan;
2614     SKIP_DIGITS(next);
2615     count = __kmp_str_to_int(*scan, *next);
2616     KMP_ASSERT(count >= 0);
2617     *scan = next;
2618 
2619     // valid follow sets are ',' ':' and '}'
2620     SKIP_WS(*scan);
2621     if (**scan == '}') {
2622       break;
2623     }
2624     if (**scan == ',') {
2625       (*scan)++; // skip ','
2626       continue;
2627     }
2628     if (**scan != ':') {
2629       KMP_WARNING(SyntaxErrorUsing, var, "\"threads\"");
2630       return FALSE;
2631     }
2632     (*scan)++; // skip ':'
2633 
2634     // Read stride parameter
2635     int sign = +1;
2636     for (;;) {
2637       SKIP_WS(*scan);
2638       if (**scan == '+') {
2639         (*scan)++; // skip '+'
2640         continue;
2641       }
2642       if (**scan == '-') {
2643         sign *= -1;
2644         (*scan)++; // skip '-'
2645         continue;
2646       }
2647       break;
2648     }
2649     SKIP_WS(*scan);
2650     if ((**scan < '0') || (**scan > '9')) {
2651       KMP_WARNING(SyntaxErrorUsing, var, "\"threads\"");
2652       return FALSE;
2653     }
2654     next = *scan;
2655     SKIP_DIGITS(next);
2656     stride = __kmp_str_to_int(*scan, *next);
2657     KMP_ASSERT(stride >= 0);
2658     *scan = next;
2659     stride *= sign;
2660 
2661     // valid follow sets are ',' and '}'
2662     SKIP_WS(*scan);
2663     if (**scan == '}') {
2664       break;
2665     }
2666     if (**scan == ',') {
2667       (*scan)++; // skip ','
2668       continue;
2669     }
2670 
2671     KMP_WARNING(SyntaxErrorUsing, var, "\"threads\"");
2672     return FALSE;
2673   }
2674   return TRUE;
2675 }
2676 
2677 static int __kmp_parse_place(const char *var, const char **scan) {
2678   const char *next;
2679 
2680   // valid follow sets are '{' '!' and num
2681   SKIP_WS(*scan);
2682   if (**scan == '{') {
2683     (*scan)++; // skip '{'
2684     if (!__kmp_parse_subplace_list(var, scan)) {
2685       return FALSE;
2686     }
2687     if (**scan != '}') {
2688       KMP_WARNING(SyntaxErrorUsing, var, "\"threads\"");
2689       return FALSE;
2690     }
2691     (*scan)++; // skip '}'
2692   } else if (**scan == '!') {
2693     (*scan)++; // skip '!'
2694     return __kmp_parse_place(var, scan); //'!' has lower precedence than ':'
2695   } else if ((**scan >= '0') && (**scan <= '9')) {
2696     next = *scan;
2697     SKIP_DIGITS(next);
2698     int proc = __kmp_str_to_int(*scan, *next);
2699     KMP_ASSERT(proc >= 0);
2700     *scan = next;
2701   } else {
2702     KMP_WARNING(SyntaxErrorUsing, var, "\"threads\"");
2703     return FALSE;
2704   }
2705   return TRUE;
2706 }
2707 
2708 static int __kmp_parse_place_list(const char *var, const char *env,
2709                                   char **place_list) {
2710   const char *scan = env;
2711   const char *next = scan;
2712 
2713   for (;;) {
2714     int count, stride;
2715 
2716     if (!__kmp_parse_place(var, &scan)) {
2717       return FALSE;
2718     }
2719 
2720     // valid follow sets are ',' ':' and EOL
2721     SKIP_WS(scan);
2722     if (*scan == '\0') {
2723       break;
2724     }
2725     if (*scan == ',') {
2726       scan++; // skip ','
2727       continue;
2728     }
2729     if (*scan != ':') {
2730       KMP_WARNING(SyntaxErrorUsing, var, "\"threads\"");
2731       return FALSE;
2732     }
2733     scan++; // skip ':'
2734 
2735     // Read count parameter
2736     SKIP_WS(scan);
2737     if ((*scan < '0') || (*scan > '9')) {
2738       KMP_WARNING(SyntaxErrorUsing, var, "\"threads\"");
2739       return FALSE;
2740     }
2741     next = scan;
2742     SKIP_DIGITS(next);
2743     count = __kmp_str_to_int(scan, *next);
2744     KMP_ASSERT(count >= 0);
2745     scan = next;
2746 
2747     // valid follow sets are ',' ':' and EOL
2748     SKIP_WS(scan);
2749     if (*scan == '\0') {
2750       break;
2751     }
2752     if (*scan == ',') {
2753       scan++; // skip ','
2754       continue;
2755     }
2756     if (*scan != ':') {
2757       KMP_WARNING(SyntaxErrorUsing, var, "\"threads\"");
2758       return FALSE;
2759     }
2760     scan++; // skip ':'
2761 
2762     // Read stride parameter
2763     int sign = +1;
2764     for (;;) {
2765       SKIP_WS(scan);
2766       if (*scan == '+') {
2767         scan++; // skip '+'
2768         continue;
2769       }
2770       if (*scan == '-') {
2771         sign *= -1;
2772         scan++; // skip '-'
2773         continue;
2774       }
2775       break;
2776     }
2777     SKIP_WS(scan);
2778     if ((*scan < '0') || (*scan > '9')) {
2779       KMP_WARNING(SyntaxErrorUsing, var, "\"threads\"");
2780       return FALSE;
2781     }
2782     next = scan;
2783     SKIP_DIGITS(next);
2784     stride = __kmp_str_to_int(scan, *next);
2785     KMP_ASSERT(stride >= 0);
2786     scan = next;
2787     stride *= sign;
2788 
2789     // valid follow sets are ',' and EOL
2790     SKIP_WS(scan);
2791     if (*scan == '\0') {
2792       break;
2793     }
2794     if (*scan == ',') {
2795       scan++; // skip ','
2796       continue;
2797     }
2798 
2799     KMP_WARNING(SyntaxErrorUsing, var, "\"threads\"");
2800     return FALSE;
2801   }
2802 
2803   {
2804     int len = scan - env;
2805     char *retlist = (char *)__kmp_allocate((len + 1) * sizeof(char));
2806     KMP_MEMCPY_S(retlist, (len + 1) * sizeof(char), env, len * sizeof(char));
2807     retlist[len] = '\0';
2808     *place_list = retlist;
2809   }
2810   return TRUE;
2811 }
2812 
2813 static void __kmp_stg_parse_places(char const *name, char const *value,
2814                                    void *data) {
2815   int count;
2816   const char *scan = value;
2817   const char *next = scan;
2818   const char *kind = "\"threads\"";
2819   kmp_setting_t **rivals = (kmp_setting_t **)data;
2820   int rc;
2821 
2822   rc = __kmp_stg_check_rivals(name, value, rivals);
2823   if (rc) {
2824     return;
2825   }
2826 
2827   // If OMP_PROC_BIND is not specified but OMP_PLACES is,
2828   // then let OMP_PROC_BIND default to true.
2829   if (__kmp_nested_proc_bind.bind_types[0] == proc_bind_default) {
2830     __kmp_nested_proc_bind.bind_types[0] = proc_bind_true;
2831   }
2832 
2833   //__kmp_affinity_num_places = 0;
2834 
2835   if (__kmp_match_str("threads", scan, &next)) {
2836     scan = next;
2837     __kmp_affinity_type = affinity_compact;
2838     __kmp_affinity_gran = affinity_gran_thread;
2839     __kmp_affinity_dups = FALSE;
2840     kind = "\"threads\"";
2841   } else if (__kmp_match_str("cores", scan, &next)) {
2842     scan = next;
2843     __kmp_affinity_type = affinity_compact;
2844     __kmp_affinity_gran = affinity_gran_core;
2845     __kmp_affinity_dups = FALSE;
2846     kind = "\"cores\"";
2847 #if KMP_USE_HWLOC
2848   } else if (__kmp_match_str("tiles", scan, &next)) {
2849     scan = next;
2850     __kmp_affinity_type = affinity_compact;
2851     __kmp_affinity_gran = affinity_gran_tile;
2852     __kmp_affinity_dups = FALSE;
2853     kind = "\"tiles\"";
2854 #endif
2855   } else if (__kmp_match_str("sockets", scan, &next)) {
2856     scan = next;
2857     __kmp_affinity_type = affinity_compact;
2858     __kmp_affinity_gran = affinity_gran_package;
2859     __kmp_affinity_dups = FALSE;
2860     kind = "\"sockets\"";
2861   } else {
2862     if (__kmp_affinity_proclist != NULL) {
2863       KMP_INTERNAL_FREE((void *)__kmp_affinity_proclist);
2864       __kmp_affinity_proclist = NULL;
2865     }
2866     if (__kmp_parse_place_list(name, value, &__kmp_affinity_proclist)) {
2867       __kmp_affinity_type = affinity_explicit;
2868       __kmp_affinity_gran = affinity_gran_fine;
2869       __kmp_affinity_dups = FALSE;
2870       if (__kmp_nested_proc_bind.bind_types[0] == proc_bind_default) {
2871         __kmp_nested_proc_bind.bind_types[0] = proc_bind_true;
2872       }
2873     }
2874     return;
2875   }
2876 
2877   if (__kmp_nested_proc_bind.bind_types[0] == proc_bind_default) {
2878     __kmp_nested_proc_bind.bind_types[0] = proc_bind_true;
2879   }
2880 
2881   SKIP_WS(scan);
2882   if (*scan == '\0') {
2883     return;
2884   }
2885 
2886   // Parse option count parameter in parentheses
2887   if (*scan != '(') {
2888     KMP_WARNING(SyntaxErrorUsing, name, kind);
2889     return;
2890   }
2891   scan++; // skip '('
2892 
2893   SKIP_WS(scan);
2894   next = scan;
2895   SKIP_DIGITS(next);
2896   count = __kmp_str_to_int(scan, *next);
2897   KMP_ASSERT(count >= 0);
2898   scan = next;
2899 
2900   SKIP_WS(scan);
2901   if (*scan != ')') {
2902     KMP_WARNING(SyntaxErrorUsing, name, kind);
2903     return;
2904   }
2905   scan++; // skip ')'
2906 
2907   SKIP_WS(scan);
2908   if (*scan != '\0') {
2909     KMP_WARNING(ParseExtraCharsWarn, name, scan);
2910   }
2911   __kmp_affinity_num_places = count;
2912 }
2913 
2914 static void __kmp_stg_print_places(kmp_str_buf_t *buffer, char const *name,
2915                                    void *data) {
2916   if (__kmp_env_format) {
2917     KMP_STR_BUF_PRINT_NAME;
2918   } else {
2919     __kmp_str_buf_print(buffer, "   %s", name);
2920   }
2921   if ((__kmp_nested_proc_bind.used == 0) ||
2922       (__kmp_nested_proc_bind.bind_types == NULL) ||
2923       (__kmp_nested_proc_bind.bind_types[0] == proc_bind_false)) {
2924     __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
2925   } else if (__kmp_affinity_type == affinity_explicit) {
2926     if (__kmp_affinity_proclist != NULL) {
2927       __kmp_str_buf_print(buffer, "='%s'\n", __kmp_affinity_proclist);
2928     } else {
2929       __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
2930     }
2931   } else if (__kmp_affinity_type == affinity_compact) {
2932     int num;
2933     if (__kmp_affinity_num_masks > 0) {
2934       num = __kmp_affinity_num_masks;
2935     } else if (__kmp_affinity_num_places > 0) {
2936       num = __kmp_affinity_num_places;
2937     } else {
2938       num = 0;
2939     }
2940     if (__kmp_affinity_gran == affinity_gran_thread) {
2941       if (num > 0) {
2942         __kmp_str_buf_print(buffer, "='threads(%d)'\n", num);
2943       } else {
2944         __kmp_str_buf_print(buffer, "='threads'\n");
2945       }
2946     } else if (__kmp_affinity_gran == affinity_gran_core) {
2947       if (num > 0) {
2948         __kmp_str_buf_print(buffer, "='cores(%d)' \n", num);
2949       } else {
2950         __kmp_str_buf_print(buffer, "='cores'\n");
2951       }
2952 #if KMP_USE_HWLOC
2953     } else if (__kmp_affinity_gran == affinity_gran_tile) {
2954       if (num > 0) {
2955         __kmp_str_buf_print(buffer, "='tiles(%d)' \n", num);
2956       } else {
2957         __kmp_str_buf_print(buffer, "='tiles'\n");
2958       }
2959 #endif
2960     } else if (__kmp_affinity_gran == affinity_gran_package) {
2961       if (num > 0) {
2962         __kmp_str_buf_print(buffer, "='sockets(%d)'\n", num);
2963       } else {
2964         __kmp_str_buf_print(buffer, "='sockets'\n");
2965       }
2966     } else {
2967       __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
2968     }
2969   } else {
2970     __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
2971   }
2972 }
2973 
2974 #endif /* OMP_40_ENABLED */
2975 
2976 #if (!OMP_40_ENABLED)
2977 
2978 static void __kmp_stg_parse_proc_bind(char const *name, char const *value,
2979                                       void *data) {
2980   int enabled;
2981   kmp_setting_t **rivals = (kmp_setting_t **)data;
2982   int rc;
2983 
2984   rc = __kmp_stg_check_rivals(name, value, rivals);
2985   if (rc) {
2986     return;
2987   }
2988 
2989   // In OMP 3.1, OMP_PROC_BIND is strictly a boolean
2990   __kmp_stg_parse_bool(name, value, &enabled);
2991   if (enabled) {
2992     // OMP_PROC_BIND => granularity=fine,scatter on MIC
2993     // OMP_PROC_BIND => granularity=core,scatter elsewhere
2994     __kmp_affinity_type = affinity_scatter;
2995 #if KMP_MIC_SUPPORTED
2996     if (__kmp_mic_type != non_mic)
2997       __kmp_affinity_gran = affinity_gran_fine;
2998     else
2999 #endif
3000       __kmp_affinity_gran = affinity_gran_core;
3001   } else {
3002     __kmp_affinity_type = affinity_none;
3003   }
3004 } // __kmp_parse_proc_bind
3005 
3006 #endif /* if (! OMP_40_ENABLED) */
3007 
3008 static void __kmp_stg_parse_topology_method(char const *name, char const *value,
3009                                             void *data) {
3010   if (__kmp_str_match("all", 1, value)) {
3011     __kmp_affinity_top_method = affinity_top_method_all;
3012   }
3013 #if KMP_USE_HWLOC
3014   else if (__kmp_str_match("hwloc", 1, value)) {
3015     __kmp_affinity_top_method = affinity_top_method_hwloc;
3016   }
3017 #endif
3018 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
3019   else if (__kmp_str_match("x2apic id", 9, value) ||
3020            __kmp_str_match("x2apic_id", 9, value) ||
3021            __kmp_str_match("x2apic-id", 9, value) ||
3022            __kmp_str_match("x2apicid", 8, value) ||
3023            __kmp_str_match("cpuid leaf 11", 13, value) ||
3024            __kmp_str_match("cpuid_leaf_11", 13, value) ||
3025            __kmp_str_match("cpuid-leaf-11", 13, value) ||
3026            __kmp_str_match("cpuid leaf11", 12, value) ||
3027            __kmp_str_match("cpuid_leaf11", 12, value) ||
3028            __kmp_str_match("cpuid-leaf11", 12, value) ||
3029            __kmp_str_match("cpuidleaf 11", 12, value) ||
3030            __kmp_str_match("cpuidleaf_11", 12, value) ||
3031            __kmp_str_match("cpuidleaf-11", 12, value) ||
3032            __kmp_str_match("cpuidleaf11", 11, value) ||
3033            __kmp_str_match("cpuid 11", 8, value) ||
3034            __kmp_str_match("cpuid_11", 8, value) ||
3035            __kmp_str_match("cpuid-11", 8, value) ||
3036            __kmp_str_match("cpuid11", 7, value) ||
3037            __kmp_str_match("leaf 11", 7, value) ||
3038            __kmp_str_match("leaf_11", 7, value) ||
3039            __kmp_str_match("leaf-11", 7, value) ||
3040            __kmp_str_match("leaf11", 6, value)) {
3041     __kmp_affinity_top_method = affinity_top_method_x2apicid;
3042   } else if (__kmp_str_match("apic id", 7, value) ||
3043              __kmp_str_match("apic_id", 7, value) ||
3044              __kmp_str_match("apic-id", 7, value) ||
3045              __kmp_str_match("apicid", 6, value) ||
3046              __kmp_str_match("cpuid leaf 4", 12, value) ||
3047              __kmp_str_match("cpuid_leaf_4", 12, value) ||
3048              __kmp_str_match("cpuid-leaf-4", 12, value) ||
3049              __kmp_str_match("cpuid leaf4", 11, value) ||
3050              __kmp_str_match("cpuid_leaf4", 11, value) ||
3051              __kmp_str_match("cpuid-leaf4", 11, value) ||
3052              __kmp_str_match("cpuidleaf 4", 11, value) ||
3053              __kmp_str_match("cpuidleaf_4", 11, value) ||
3054              __kmp_str_match("cpuidleaf-4", 11, value) ||
3055              __kmp_str_match("cpuidleaf4", 10, value) ||
3056              __kmp_str_match("cpuid 4", 7, value) ||
3057              __kmp_str_match("cpuid_4", 7, value) ||
3058              __kmp_str_match("cpuid-4", 7, value) ||
3059              __kmp_str_match("cpuid4", 6, value) ||
3060              __kmp_str_match("leaf 4", 6, value) ||
3061              __kmp_str_match("leaf_4", 6, value) ||
3062              __kmp_str_match("leaf-4", 6, value) ||
3063              __kmp_str_match("leaf4", 5, value)) {
3064     __kmp_affinity_top_method = affinity_top_method_apicid;
3065   }
3066 #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */
3067   else if (__kmp_str_match("/proc/cpuinfo", 2, value) ||
3068            __kmp_str_match("cpuinfo", 5, value)) {
3069     __kmp_affinity_top_method = affinity_top_method_cpuinfo;
3070   }
3071 #if KMP_GROUP_AFFINITY
3072   else if (__kmp_str_match("group", 1, value)) {
3073     __kmp_affinity_top_method = affinity_top_method_group;
3074   }
3075 #endif /* KMP_GROUP_AFFINITY */
3076   else if (__kmp_str_match("flat", 1, value)) {
3077     __kmp_affinity_top_method = affinity_top_method_flat;
3078   } else {
3079     KMP_WARNING(StgInvalidValue, name, value);
3080   }
3081 } // __kmp_stg_parse_topology_method
3082 
3083 static void __kmp_stg_print_topology_method(kmp_str_buf_t *buffer,
3084                                             char const *name, void *data) {
3085   char const *value = NULL;
3086 
3087   switch (__kmp_affinity_top_method) {
3088   case affinity_top_method_default:
3089     value = "default";
3090     break;
3091 
3092   case affinity_top_method_all:
3093     value = "all";
3094     break;
3095 
3096 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
3097   case affinity_top_method_x2apicid:
3098     value = "x2APIC id";
3099     break;
3100 
3101   case affinity_top_method_apicid:
3102     value = "APIC id";
3103     break;
3104 #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */
3105 
3106 #if KMP_USE_HWLOC
3107   case affinity_top_method_hwloc:
3108     value = "hwloc";
3109     break;
3110 #endif
3111 
3112   case affinity_top_method_cpuinfo:
3113     value = "cpuinfo";
3114     break;
3115 
3116 #if KMP_GROUP_AFFINITY
3117   case affinity_top_method_group:
3118     value = "group";
3119     break;
3120 #endif /* KMP_GROUP_AFFINITY */
3121 
3122   case affinity_top_method_flat:
3123     value = "flat";
3124     break;
3125   }
3126 
3127   if (value != NULL) {
3128     __kmp_stg_print_str(buffer, name, value);
3129   }
3130 } // __kmp_stg_print_topology_method
3131 
3132 #endif /* KMP_AFFINITY_SUPPORTED */
3133 
3134 #if OMP_40_ENABLED
3135 
3136 // OMP_PROC_BIND / bind-var is functional on all 4.0 builds, including OS X*
3137 // OMP_PLACES / place-partition-var is not.
3138 static void __kmp_stg_parse_proc_bind(char const *name, char const *value,
3139                                       void *data) {
3140   kmp_setting_t **rivals = (kmp_setting_t **)data;
3141   int rc;
3142 
3143   rc = __kmp_stg_check_rivals(name, value, rivals);
3144   if (rc) {
3145     return;
3146   }
3147 
3148   // In OMP 4.0 OMP_PROC_BIND is a vector of proc_bind types.
3149   KMP_DEBUG_ASSERT((__kmp_nested_proc_bind.bind_types != NULL) &&
3150                    (__kmp_nested_proc_bind.used > 0));
3151 
3152   const char *buf = value;
3153   const char *next;
3154   int num;
3155   SKIP_WS(buf);
3156   if ((*buf >= '0') && (*buf <= '9')) {
3157     next = buf;
3158     SKIP_DIGITS(next);
3159     num = __kmp_str_to_int(buf, *next);
3160     KMP_ASSERT(num >= 0);
3161     buf = next;
3162     SKIP_WS(buf);
3163   } else {
3164     num = -1;
3165   }
3166 
3167   next = buf;
3168   if (__kmp_match_str("disabled", buf, &next)) {
3169     buf = next;
3170     SKIP_WS(buf);
3171 #if KMP_AFFINITY_SUPPORTED
3172     __kmp_affinity_type = affinity_disabled;
3173 #endif /* KMP_AFFINITY_SUPPORTED */
3174     __kmp_nested_proc_bind.used = 1;
3175     __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
3176   } else if ((num == (int)proc_bind_false) ||
3177              __kmp_match_str("false", buf, &next)) {
3178     buf = next;
3179     SKIP_WS(buf);
3180 #if KMP_AFFINITY_SUPPORTED
3181     __kmp_affinity_type = affinity_none;
3182 #endif /* KMP_AFFINITY_SUPPORTED */
3183     __kmp_nested_proc_bind.used = 1;
3184     __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
3185   } else if ((num == (int)proc_bind_true) ||
3186              __kmp_match_str("true", buf, &next)) {
3187     buf = next;
3188     SKIP_WS(buf);
3189     __kmp_nested_proc_bind.used = 1;
3190     __kmp_nested_proc_bind.bind_types[0] = proc_bind_true;
3191   } else {
3192     // Count the number of values in the env var string
3193     const char *scan;
3194     int nelem = 1;
3195     for (scan = buf; *scan != '\0'; scan++) {
3196       if (*scan == ',') {
3197         nelem++;
3198       }
3199     }
3200 
3201     // Create / expand the nested proc_bind array as needed
3202     if (__kmp_nested_proc_bind.size < nelem) {
3203       __kmp_nested_proc_bind.bind_types =
3204           (kmp_proc_bind_t *)KMP_INTERNAL_REALLOC(
3205               __kmp_nested_proc_bind.bind_types,
3206               sizeof(kmp_proc_bind_t) * nelem);
3207       if (__kmp_nested_proc_bind.bind_types == NULL) {
3208         KMP_FATAL(MemoryAllocFailed);
3209       }
3210       __kmp_nested_proc_bind.size = nelem;
3211     }
3212     __kmp_nested_proc_bind.used = nelem;
3213 
3214     if (nelem > 1 && !__kmp_dflt_max_active_levels_set)
3215       __kmp_dflt_max_active_levels = KMP_MAX_ACTIVE_LEVELS_LIMIT;
3216 
3217     // Save values in the nested proc_bind array
3218     int i = 0;
3219     for (;;) {
3220       enum kmp_proc_bind_t bind;
3221 
3222       if ((num == (int)proc_bind_master) ||
3223           __kmp_match_str("master", buf, &next)) {
3224         buf = next;
3225         SKIP_WS(buf);
3226         bind = proc_bind_master;
3227       } else if ((num == (int)proc_bind_close) ||
3228                  __kmp_match_str("close", buf, &next)) {
3229         buf = next;
3230         SKIP_WS(buf);
3231         bind = proc_bind_close;
3232       } else if ((num == (int)proc_bind_spread) ||
3233                  __kmp_match_str("spread", buf, &next)) {
3234         buf = next;
3235         SKIP_WS(buf);
3236         bind = proc_bind_spread;
3237       } else {
3238         KMP_WARNING(StgInvalidValue, name, value);
3239         __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
3240         __kmp_nested_proc_bind.used = 1;
3241         return;
3242       }
3243 
3244       __kmp_nested_proc_bind.bind_types[i++] = bind;
3245       if (i >= nelem) {
3246         break;
3247       }
3248       KMP_DEBUG_ASSERT(*buf == ',');
3249       buf++;
3250       SKIP_WS(buf);
3251 
3252       // Read next value if it was specified as an integer
3253       if ((*buf >= '0') && (*buf <= '9')) {
3254         next = buf;
3255         SKIP_DIGITS(next);
3256         num = __kmp_str_to_int(buf, *next);
3257         KMP_ASSERT(num >= 0);
3258         buf = next;
3259         SKIP_WS(buf);
3260       } else {
3261         num = -1;
3262       }
3263     }
3264     SKIP_WS(buf);
3265   }
3266   if (*buf != '\0') {
3267     KMP_WARNING(ParseExtraCharsWarn, name, buf);
3268   }
3269 }
3270 
3271 static void __kmp_stg_print_proc_bind(kmp_str_buf_t *buffer, char const *name,
3272                                       void *data) {
3273   int nelem = __kmp_nested_proc_bind.used;
3274   if (__kmp_env_format) {
3275     KMP_STR_BUF_PRINT_NAME;
3276   } else {
3277     __kmp_str_buf_print(buffer, "   %s", name);
3278   }
3279   if (nelem == 0) {
3280     __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
3281   } else {
3282     int i;
3283     __kmp_str_buf_print(buffer, "='", name);
3284     for (i = 0; i < nelem; i++) {
3285       switch (__kmp_nested_proc_bind.bind_types[i]) {
3286       case proc_bind_false:
3287         __kmp_str_buf_print(buffer, "false");
3288         break;
3289 
3290       case proc_bind_true:
3291         __kmp_str_buf_print(buffer, "true");
3292         break;
3293 
3294       case proc_bind_master:
3295         __kmp_str_buf_print(buffer, "master");
3296         break;
3297 
3298       case proc_bind_close:
3299         __kmp_str_buf_print(buffer, "close");
3300         break;
3301 
3302       case proc_bind_spread:
3303         __kmp_str_buf_print(buffer, "spread");
3304         break;
3305 
3306       case proc_bind_intel:
3307         __kmp_str_buf_print(buffer, "intel");
3308         break;
3309 
3310       case proc_bind_default:
3311         __kmp_str_buf_print(buffer, "default");
3312         break;
3313       }
3314       if (i < nelem - 1) {
3315         __kmp_str_buf_print(buffer, ",");
3316       }
3317     }
3318     __kmp_str_buf_print(buffer, "'\n");
3319   }
3320 }
3321 
3322 #endif /* OMP_40_ENABLED */
3323 
3324 #if OMP_50_ENABLED
3325 static void __kmp_stg_parse_display_affinity(char const *name,
3326                                              char const *value, void *data) {
3327   __kmp_stg_parse_bool(name, value, &__kmp_display_affinity);
3328 }
3329 static void __kmp_stg_print_display_affinity(kmp_str_buf_t *buffer,
3330                                              char const *name, void *data) {
3331   __kmp_stg_print_bool(buffer, name, __kmp_display_affinity);
3332 }
3333 static void __kmp_stg_parse_affinity_format(char const *name, char const *value,
3334                                             void *data) {
3335   size_t length = KMP_STRLEN(value);
3336   __kmp_strncpy_truncate(__kmp_affinity_format, KMP_AFFINITY_FORMAT_SIZE, value,
3337                          length);
3338 }
3339 static void __kmp_stg_print_affinity_format(kmp_str_buf_t *buffer,
3340                                             char const *name, void *data) {
3341   if (__kmp_env_format) {
3342     KMP_STR_BUF_PRINT_NAME_EX(name);
3343   } else {
3344     __kmp_str_buf_print(buffer, "   %s='", name);
3345   }
3346   __kmp_str_buf_print(buffer, "%s'\n", __kmp_affinity_format);
3347 }
3348 // OMP_ALLOCATOR sets default allocator
3349 static void __kmp_stg_parse_allocator(char const *name, char const *value,
3350                                       void *data) {
3351   /*
3352     The value can be any predefined allocator:
3353     omp_default_mem_alloc = 1;
3354     omp_large_cap_mem_alloc = 2;
3355     omp_const_mem_alloc = 3;
3356     omp_high_bw_mem_alloc = 4;
3357     omp_low_lat_mem_alloc = 5;
3358     omp_cgroup_mem_alloc = 6;
3359     omp_pteam_mem_alloc = 7;
3360     omp_thread_mem_alloc = 8;
3361     Acceptable value is either a digit or a string.
3362   */
3363   const char *buf = value;
3364   const char *next;
3365   int num;
3366   SKIP_WS(buf);
3367   if ((*buf > '0') && (*buf < '9')) {
3368     next = buf;
3369     SKIP_DIGITS(next);
3370     num = __kmp_str_to_int(buf, *next);
3371     KMP_ASSERT(num > 0);
3372     switch (num) {
3373     case 4:
3374       if (__kmp_memkind_available) {
3375         __kmp_def_allocator = omp_high_bw_mem_alloc;
3376       } else {
3377         __kmp_msg(kmp_ms_warning,
3378                   KMP_MSG(OmpNoAllocator, "omp_high_bw_mem_alloc"),
3379                   __kmp_msg_null);
3380         __kmp_def_allocator = omp_default_mem_alloc;
3381       }
3382       break;
3383     case 1:
3384       __kmp_def_allocator = omp_default_mem_alloc;
3385       break;
3386     case 2:
3387       __kmp_msg(kmp_ms_warning,
3388                 KMP_MSG(OmpNoAllocator, "omp_large_cap_mem_alloc"),
3389                 __kmp_msg_null);
3390       __kmp_def_allocator = omp_default_mem_alloc;
3391       break;
3392     case 3:
3393       __kmp_msg(kmp_ms_warning, KMP_MSG(OmpNoAllocator, "omp_const_mem_alloc"),
3394                 __kmp_msg_null);
3395       __kmp_def_allocator = omp_default_mem_alloc;
3396       break;
3397     case 5:
3398       __kmp_msg(kmp_ms_warning,
3399                 KMP_MSG(OmpNoAllocator, "omp_low_lat_mem_alloc"),
3400                 __kmp_msg_null);
3401       __kmp_def_allocator = omp_default_mem_alloc;
3402       break;
3403     case 6:
3404       __kmp_msg(kmp_ms_warning, KMP_MSG(OmpNoAllocator, "omp_cgroup_mem_alloc"),
3405                 __kmp_msg_null);
3406       __kmp_def_allocator = omp_default_mem_alloc;
3407       break;
3408     case 7:
3409       __kmp_msg(kmp_ms_warning, KMP_MSG(OmpNoAllocator, "omp_pteam_mem_alloc"),
3410                 __kmp_msg_null);
3411       __kmp_def_allocator = omp_default_mem_alloc;
3412       break;
3413     case 8:
3414       __kmp_msg(kmp_ms_warning, KMP_MSG(OmpNoAllocator, "omp_thread_mem_alloc"),
3415                 __kmp_msg_null);
3416       __kmp_def_allocator = omp_default_mem_alloc;
3417       break;
3418     }
3419     return;
3420   }
3421   next = buf;
3422   if (__kmp_match_str("omp_high_bw_mem_alloc", buf, &next)) {
3423     if (__kmp_memkind_available) {
3424       __kmp_def_allocator = omp_high_bw_mem_alloc;
3425     } else {
3426       __kmp_msg(kmp_ms_warning,
3427                 KMP_MSG(OmpNoAllocator, "omp_high_bw_mem_alloc"),
3428                 __kmp_msg_null);
3429       __kmp_def_allocator = omp_default_mem_alloc;
3430     }
3431   } else if (__kmp_match_str("omp_default_mem_alloc", buf, &next)) {
3432     __kmp_def_allocator = omp_default_mem_alloc;
3433   } else if (__kmp_match_str("omp_large_cap_mem_alloc", buf, &next)) {
3434     __kmp_msg(kmp_ms_warning,
3435               KMP_MSG(OmpNoAllocator, "omp_large_cap_mem_alloc"),
3436               __kmp_msg_null);
3437     __kmp_def_allocator = omp_default_mem_alloc;
3438   } else if (__kmp_match_str("omp_const_mem_alloc", buf, &next)) {
3439     __kmp_msg(kmp_ms_warning, KMP_MSG(OmpNoAllocator, "omp_const_mem_alloc"),
3440               __kmp_msg_null);
3441     __kmp_def_allocator = omp_default_mem_alloc;
3442   } else if (__kmp_match_str("omp_low_lat_mem_alloc", buf, &next)) {
3443     __kmp_msg(kmp_ms_warning, KMP_MSG(OmpNoAllocator, "omp_low_lat_mem_alloc"),
3444               __kmp_msg_null);
3445     __kmp_def_allocator = omp_default_mem_alloc;
3446   } else if (__kmp_match_str("omp_cgroup_mem_alloc", buf, &next)) {
3447     __kmp_msg(kmp_ms_warning, KMP_MSG(OmpNoAllocator, "omp_cgroup_mem_alloc"),
3448               __kmp_msg_null);
3449     __kmp_def_allocator = omp_default_mem_alloc;
3450   } else if (__kmp_match_str("omp_pteam_mem_alloc", buf, &next)) {
3451     __kmp_msg(kmp_ms_warning, KMP_MSG(OmpNoAllocator, "omp_pteam_mem_alloc"),
3452               __kmp_msg_null);
3453     __kmp_def_allocator = omp_default_mem_alloc;
3454   } else if (__kmp_match_str("omp_thread_mem_alloc", buf, &next)) {
3455     __kmp_msg(kmp_ms_warning, KMP_MSG(OmpNoAllocator, "omp_thread_mem_alloc"),
3456               __kmp_msg_null);
3457     __kmp_def_allocator = omp_default_mem_alloc;
3458   }
3459   buf = next;
3460   SKIP_WS(buf);
3461   if (*buf != '\0') {
3462     KMP_WARNING(ParseExtraCharsWarn, name, buf);
3463   }
3464 }
3465 
3466 static void __kmp_stg_print_allocator(kmp_str_buf_t *buffer, char const *name,
3467                                       void *data) {
3468   if (__kmp_def_allocator == omp_default_mem_alloc) {
3469     __kmp_stg_print_str(buffer, name, "omp_default_mem_alloc");
3470   } else if (__kmp_def_allocator == omp_high_bw_mem_alloc) {
3471     __kmp_stg_print_str(buffer, name, "omp_high_bw_mem_alloc");
3472   } else if (__kmp_def_allocator == omp_large_cap_mem_alloc) {
3473     __kmp_stg_print_str(buffer, name, "omp_large_cap_mem_alloc");
3474   } else if (__kmp_def_allocator == omp_const_mem_alloc) {
3475     __kmp_stg_print_str(buffer, name, "omp_const_mem_alloc");
3476   } else if (__kmp_def_allocator == omp_low_lat_mem_alloc) {
3477     __kmp_stg_print_str(buffer, name, "omp_low_lat_mem_alloc");
3478   } else if (__kmp_def_allocator == omp_cgroup_mem_alloc) {
3479     __kmp_stg_print_str(buffer, name, "omp_cgroup_mem_alloc");
3480   } else if (__kmp_def_allocator == omp_pteam_mem_alloc) {
3481     __kmp_stg_print_str(buffer, name, "omp_pteam_mem_alloc");
3482   } else if (__kmp_def_allocator == omp_thread_mem_alloc) {
3483     __kmp_stg_print_str(buffer, name, "omp_thread_mem_alloc");
3484   }
3485 }
3486 
3487 #endif /* OMP_50_ENABLED */
3488 
3489 // -----------------------------------------------------------------------------
3490 // OMP_DYNAMIC
3491 
3492 static void __kmp_stg_parse_omp_dynamic(char const *name, char const *value,
3493                                         void *data) {
3494   __kmp_stg_parse_bool(name, value, &(__kmp_global.g.g_dynamic));
3495 } // __kmp_stg_parse_omp_dynamic
3496 
3497 static void __kmp_stg_print_omp_dynamic(kmp_str_buf_t *buffer, char const *name,
3498                                         void *data) {
3499   __kmp_stg_print_bool(buffer, name, __kmp_global.g.g_dynamic);
3500 } // __kmp_stg_print_omp_dynamic
3501 
3502 static void __kmp_stg_parse_kmp_dynamic_mode(char const *name,
3503                                              char const *value, void *data) {
3504   if (TCR_4(__kmp_init_parallel)) {
3505     KMP_WARNING(EnvParallelWarn, name);
3506     __kmp_env_toPrint(name, 0);
3507     return;
3508   }
3509 #ifdef USE_LOAD_BALANCE
3510   else if (__kmp_str_match("load balance", 2, value) ||
3511            __kmp_str_match("load_balance", 2, value) ||
3512            __kmp_str_match("load-balance", 2, value) ||
3513            __kmp_str_match("loadbalance", 2, value) ||
3514            __kmp_str_match("balance", 1, value)) {
3515     __kmp_global.g.g_dynamic_mode = dynamic_load_balance;
3516   }
3517 #endif /* USE_LOAD_BALANCE */
3518   else if (__kmp_str_match("thread limit", 1, value) ||
3519            __kmp_str_match("thread_limit", 1, value) ||
3520            __kmp_str_match("thread-limit", 1, value) ||
3521            __kmp_str_match("threadlimit", 1, value) ||
3522            __kmp_str_match("limit", 2, value)) {
3523     __kmp_global.g.g_dynamic_mode = dynamic_thread_limit;
3524   } else if (__kmp_str_match("random", 1, value)) {
3525     __kmp_global.g.g_dynamic_mode = dynamic_random;
3526   } else {
3527     KMP_WARNING(StgInvalidValue, name, value);
3528   }
3529 } //__kmp_stg_parse_kmp_dynamic_mode
3530 
3531 static void __kmp_stg_print_kmp_dynamic_mode(kmp_str_buf_t *buffer,
3532                                              char const *name, void *data) {
3533 #if KMP_DEBUG
3534   if (__kmp_global.g.g_dynamic_mode == dynamic_default) {
3535     __kmp_str_buf_print(buffer, "   %s: %s \n", name, KMP_I18N_STR(NotDefined));
3536   }
3537 #ifdef USE_LOAD_BALANCE
3538   else if (__kmp_global.g.g_dynamic_mode == dynamic_load_balance) {
3539     __kmp_stg_print_str(buffer, name, "load balance");
3540   }
3541 #endif /* USE_LOAD_BALANCE */
3542   else if (__kmp_global.g.g_dynamic_mode == dynamic_thread_limit) {
3543     __kmp_stg_print_str(buffer, name, "thread limit");
3544   } else if (__kmp_global.g.g_dynamic_mode == dynamic_random) {
3545     __kmp_stg_print_str(buffer, name, "random");
3546   } else {
3547     KMP_ASSERT(0);
3548   }
3549 #endif /* KMP_DEBUG */
3550 } // __kmp_stg_print_kmp_dynamic_mode
3551 
3552 #ifdef USE_LOAD_BALANCE
3553 
3554 // -----------------------------------------------------------------------------
3555 // KMP_LOAD_BALANCE_INTERVAL
3556 
3557 static void __kmp_stg_parse_ld_balance_interval(char const *name,
3558                                                 char const *value, void *data) {
3559   double interval = __kmp_convert_to_double(value);
3560   if (interval >= 0) {
3561     __kmp_load_balance_interval = interval;
3562   } else {
3563     KMP_WARNING(StgInvalidValue, name, value);
3564   }
3565 } // __kmp_stg_parse_load_balance_interval
3566 
3567 static void __kmp_stg_print_ld_balance_interval(kmp_str_buf_t *buffer,
3568                                                 char const *name, void *data) {
3569 #if KMP_DEBUG
3570   __kmp_str_buf_print(buffer, "   %s=%8.6f\n", name,
3571                       __kmp_load_balance_interval);
3572 #endif /* KMP_DEBUG */
3573 } // __kmp_stg_print_load_balance_interval
3574 
3575 #endif /* USE_LOAD_BALANCE */
3576 
3577 // -----------------------------------------------------------------------------
3578 // KMP_INIT_AT_FORK
3579 
3580 static void __kmp_stg_parse_init_at_fork(char const *name, char const *value,
3581                                          void *data) {
3582   __kmp_stg_parse_bool(name, value, &__kmp_need_register_atfork);
3583   if (__kmp_need_register_atfork) {
3584     __kmp_need_register_atfork_specified = TRUE;
3585   }
3586 } // __kmp_stg_parse_init_at_fork
3587 
3588 static void __kmp_stg_print_init_at_fork(kmp_str_buf_t *buffer,
3589                                          char const *name, void *data) {
3590   __kmp_stg_print_bool(buffer, name, __kmp_need_register_atfork_specified);
3591 } // __kmp_stg_print_init_at_fork
3592 
3593 // -----------------------------------------------------------------------------
3594 // KMP_SCHEDULE
3595 
3596 static void __kmp_stg_parse_schedule(char const *name, char const *value,
3597                                      void *data) {
3598 
3599   if (value != NULL) {
3600     size_t length = KMP_STRLEN(value);
3601     if (length > INT_MAX) {
3602       KMP_WARNING(LongValue, name);
3603     } else {
3604       const char *semicolon;
3605       if (value[length - 1] == '"' || value[length - 1] == '\'')
3606         KMP_WARNING(UnbalancedQuotes, name);
3607       do {
3608         char sentinel;
3609 
3610         semicolon = strchr(value, ';');
3611         if (*value && semicolon != value) {
3612           const char *comma = strchr(value, ',');
3613 
3614           if (comma) {
3615             ++comma;
3616             sentinel = ',';
3617           } else
3618             sentinel = ';';
3619           if (!__kmp_strcasecmp_with_sentinel("static", value, sentinel)) {
3620             if (!__kmp_strcasecmp_with_sentinel("greedy", comma, ';')) {
3621               __kmp_static = kmp_sch_static_greedy;
3622               continue;
3623             } else if (!__kmp_strcasecmp_with_sentinel("balanced", comma,
3624                                                        ';')) {
3625               __kmp_static = kmp_sch_static_balanced;
3626               continue;
3627             }
3628           } else if (!__kmp_strcasecmp_with_sentinel("guided", value,
3629                                                      sentinel)) {
3630             if (!__kmp_strcasecmp_with_sentinel("iterative", comma, ';')) {
3631               __kmp_guided = kmp_sch_guided_iterative_chunked;
3632               continue;
3633             } else if (!__kmp_strcasecmp_with_sentinel("analytical", comma,
3634                                                        ';')) {
3635               /* analytical not allowed for too many threads */
3636               __kmp_guided = kmp_sch_guided_analytical_chunked;
3637               continue;
3638             }
3639           }
3640           KMP_WARNING(InvalidClause, name, value);
3641         } else
3642           KMP_WARNING(EmptyClause, name);
3643       } while ((value = semicolon ? semicolon + 1 : NULL));
3644     }
3645   }
3646 
3647 } // __kmp_stg_parse__schedule
3648 
3649 static void __kmp_stg_print_schedule(kmp_str_buf_t *buffer, char const *name,
3650                                      void *data) {
3651   if (__kmp_env_format) {
3652     KMP_STR_BUF_PRINT_NAME_EX(name);
3653   } else {
3654     __kmp_str_buf_print(buffer, "   %s='", name);
3655   }
3656   if (__kmp_static == kmp_sch_static_greedy) {
3657     __kmp_str_buf_print(buffer, "%s", "static,greedy");
3658   } else if (__kmp_static == kmp_sch_static_balanced) {
3659     __kmp_str_buf_print(buffer, "%s", "static,balanced");
3660   }
3661   if (__kmp_guided == kmp_sch_guided_iterative_chunked) {
3662     __kmp_str_buf_print(buffer, ";%s'\n", "guided,iterative");
3663   } else if (__kmp_guided == kmp_sch_guided_analytical_chunked) {
3664     __kmp_str_buf_print(buffer, ";%s'\n", "guided,analytical");
3665   }
3666 } // __kmp_stg_print_schedule
3667 
3668 // -----------------------------------------------------------------------------
3669 // OMP_SCHEDULE
3670 
3671 static inline void __kmp_omp_schedule_restore() {
3672 #if KMP_USE_HIER_SCHED
3673   __kmp_hier_scheds.deallocate();
3674 #endif
3675   __kmp_chunk = 0;
3676   __kmp_sched = kmp_sch_default;
3677 }
3678 
3679 // if parse_hier = true:
3680 //    Parse [HW,][modifier:]kind[,chunk]
3681 // else:
3682 //    Parse [modifier:]kind[,chunk]
3683 static const char *__kmp_parse_single_omp_schedule(const char *name,
3684                                                    const char *value,
3685                                                    bool parse_hier = false) {
3686   /* get the specified scheduling style */
3687   const char *ptr = value;
3688   const char *delim;
3689   int chunk = 0;
3690   enum sched_type sched = kmp_sch_default;
3691   if (*ptr == '\0')
3692     return NULL;
3693   delim = ptr;
3694   while (*delim != ',' && *delim != ':' && *delim != '\0')
3695     delim++;
3696 #if KMP_USE_HIER_SCHED
3697   kmp_hier_layer_e layer = kmp_hier_layer_e::LAYER_THREAD;
3698   if (parse_hier) {
3699     if (*delim == ',') {
3700       if (!__kmp_strcasecmp_with_sentinel("L1", ptr, ',')) {
3701         layer = kmp_hier_layer_e::LAYER_L1;
3702       } else if (!__kmp_strcasecmp_with_sentinel("L2", ptr, ',')) {
3703         layer = kmp_hier_layer_e::LAYER_L2;
3704       } else if (!__kmp_strcasecmp_with_sentinel("L3", ptr, ',')) {
3705         layer = kmp_hier_layer_e::LAYER_L3;
3706       } else if (!__kmp_strcasecmp_with_sentinel("NUMA", ptr, ',')) {
3707         layer = kmp_hier_layer_e::LAYER_NUMA;
3708       }
3709     }
3710     if (layer != kmp_hier_layer_e::LAYER_THREAD && *delim != ',') {
3711       // If there is no comma after the layer, then this schedule is invalid
3712       KMP_WARNING(StgInvalidValue, name, value);
3713       __kmp_omp_schedule_restore();
3714       return NULL;
3715     } else if (layer != kmp_hier_layer_e::LAYER_THREAD) {
3716       ptr = ++delim;
3717       while (*delim != ',' && *delim != ':' && *delim != '\0')
3718         delim++;
3719     }
3720   }
3721 #endif // KMP_USE_HIER_SCHED
3722 #if OMP_45_ENABLED
3723   // Read in schedule modifier if specified
3724   enum sched_type sched_modifier = (enum sched_type)0;
3725   if (*delim == ':') {
3726     if (!__kmp_strcasecmp_with_sentinel("monotonic", ptr, *delim)) {
3727       sched_modifier = sched_type::kmp_sch_modifier_monotonic;
3728       ptr = ++delim;
3729       while (*delim != ',' && *delim != ':' && *delim != '\0')
3730         delim++;
3731     } else if (!__kmp_strcasecmp_with_sentinel("nonmonotonic", ptr, *delim)) {
3732       sched_modifier = sched_type::kmp_sch_modifier_nonmonotonic;
3733       ptr = ++delim;
3734       while (*delim != ',' && *delim != ':' && *delim != '\0')
3735         delim++;
3736     } else if (!parse_hier) {
3737       // If there is no proper schedule modifier, then this schedule is invalid
3738       KMP_WARNING(StgInvalidValue, name, value);
3739       __kmp_omp_schedule_restore();
3740       return NULL;
3741     }
3742   }
3743 #endif
3744   // Read in schedule kind (required)
3745   if (!__kmp_strcasecmp_with_sentinel("dynamic", ptr, *delim))
3746     sched = kmp_sch_dynamic_chunked;
3747   else if (!__kmp_strcasecmp_with_sentinel("guided", ptr, *delim))
3748     sched = kmp_sch_guided_chunked;
3749   // AC: TODO: probably remove TRAPEZOIDAL (OMP 3.0 does not allow it)
3750   else if (!__kmp_strcasecmp_with_sentinel("auto", ptr, *delim))
3751     sched = kmp_sch_auto;
3752   else if (!__kmp_strcasecmp_with_sentinel("trapezoidal", ptr, *delim))
3753     sched = kmp_sch_trapezoidal;
3754   else if (!__kmp_strcasecmp_with_sentinel("static", ptr, *delim))
3755     sched = kmp_sch_static;
3756 #if KMP_STATIC_STEAL_ENABLED
3757   else if (!__kmp_strcasecmp_with_sentinel("static_steal", ptr, *delim))
3758     sched = kmp_sch_static_steal;
3759 #endif
3760   else {
3761     // If there is no proper schedule kind, then this schedule is invalid
3762     KMP_WARNING(StgInvalidValue, name, value);
3763     __kmp_omp_schedule_restore();
3764     return NULL;
3765   }
3766 
3767   // Read in schedule chunk size if specified
3768   if (*delim == ',') {
3769     ptr = delim + 1;
3770     SKIP_WS(ptr);
3771     if (!isdigit(*ptr)) {
3772       // If there is no chunk after comma, then this schedule is invalid
3773       KMP_WARNING(StgInvalidValue, name, value);
3774       __kmp_omp_schedule_restore();
3775       return NULL;
3776     }
3777     SKIP_DIGITS(ptr);
3778     // auto schedule should not specify chunk size
3779     if (sched == kmp_sch_auto) {
3780       __kmp_msg(kmp_ms_warning, KMP_MSG(IgnoreChunk, name, delim),
3781                 __kmp_msg_null);
3782     } else {
3783       if (sched == kmp_sch_static)
3784         sched = kmp_sch_static_chunked;
3785       chunk = __kmp_str_to_int(delim + 1, *ptr);
3786       if (chunk < 1) {
3787         chunk = KMP_DEFAULT_CHUNK;
3788         __kmp_msg(kmp_ms_warning, KMP_MSG(InvalidChunk, name, delim),
3789                   __kmp_msg_null);
3790         KMP_INFORM(Using_int_Value, name, __kmp_chunk);
3791         // AC: next block commented out until KMP_DEFAULT_CHUNK != KMP_MIN_CHUNK
3792         // (to improve code coverage :)
3793         // The default chunk size is 1 according to standard, thus making
3794         // KMP_MIN_CHUNK not 1 we would introduce mess:
3795         // wrong chunk becomes 1, but it will be impossible to explicitly set
3796         // to 1 because it becomes KMP_MIN_CHUNK...
3797         // } else if ( chunk < KMP_MIN_CHUNK ) {
3798         //   chunk = KMP_MIN_CHUNK;
3799       } else if (chunk > KMP_MAX_CHUNK) {
3800         chunk = KMP_MAX_CHUNK;
3801         __kmp_msg(kmp_ms_warning, KMP_MSG(LargeChunk, name, delim),
3802                   __kmp_msg_null);
3803         KMP_INFORM(Using_int_Value, name, chunk);
3804       }
3805     }
3806   } else {
3807     ptr = delim;
3808   }
3809 
3810   SCHEDULE_SET_MODIFIERS(sched, sched_modifier);
3811 
3812 #if KMP_USE_HIER_SCHED
3813   if (layer != kmp_hier_layer_e::LAYER_THREAD) {
3814     __kmp_hier_scheds.append(sched, chunk, layer);
3815   } else
3816 #endif
3817   {
3818     __kmp_chunk = chunk;
3819     __kmp_sched = sched;
3820   }
3821   return ptr;
3822 }
3823 
3824 static void __kmp_stg_parse_omp_schedule(char const *name, char const *value,
3825                                          void *data) {
3826   size_t length;
3827   const char *ptr = value;
3828   SKIP_WS(ptr);
3829   if (value) {
3830     length = KMP_STRLEN(value);
3831     if (length) {
3832       if (value[length - 1] == '"' || value[length - 1] == '\'')
3833         KMP_WARNING(UnbalancedQuotes, name);
3834 /* get the specified scheduling style */
3835 #if KMP_USE_HIER_SCHED
3836       if (!__kmp_strcasecmp_with_sentinel("EXPERIMENTAL", ptr, ' ')) {
3837         SKIP_TOKEN(ptr);
3838         SKIP_WS(ptr);
3839         while ((ptr = __kmp_parse_single_omp_schedule(name, ptr, true))) {
3840           while (*ptr == ' ' || *ptr == '\t' || *ptr == ':')
3841             ptr++;
3842           if (*ptr == '\0')
3843             break;
3844         }
3845       } else
3846 #endif
3847         __kmp_parse_single_omp_schedule(name, ptr);
3848     } else
3849       KMP_WARNING(EmptyString, name);
3850   }
3851 #if KMP_USE_HIER_SCHED
3852   __kmp_hier_scheds.sort();
3853 #endif
3854   K_DIAG(1, ("__kmp_static == %d\n", __kmp_static))
3855   K_DIAG(1, ("__kmp_guided == %d\n", __kmp_guided))
3856   K_DIAG(1, ("__kmp_sched == %d\n", __kmp_sched))
3857   K_DIAG(1, ("__kmp_chunk == %d\n", __kmp_chunk))
3858 } // __kmp_stg_parse_omp_schedule
3859 
3860 static void __kmp_stg_print_omp_schedule(kmp_str_buf_t *buffer,
3861                                          char const *name, void *data) {
3862   if (__kmp_env_format) {
3863     KMP_STR_BUF_PRINT_NAME_EX(name);
3864   } else {
3865     __kmp_str_buf_print(buffer, "   %s='", name);
3866   }
3867   enum sched_type sched = SCHEDULE_WITHOUT_MODIFIERS(__kmp_sched);
3868   if (SCHEDULE_HAS_MONOTONIC(__kmp_sched)) {
3869     __kmp_str_buf_print(buffer, "monotonic:");
3870   } else if (SCHEDULE_HAS_NONMONOTONIC(__kmp_sched)) {
3871     __kmp_str_buf_print(buffer, "nonmonotonic:");
3872   }
3873   if (__kmp_chunk) {
3874     switch (sched) {
3875     case kmp_sch_dynamic_chunked:
3876       __kmp_str_buf_print(buffer, "%s,%d'\n", "dynamic", __kmp_chunk);
3877       break;
3878     case kmp_sch_guided_iterative_chunked:
3879     case kmp_sch_guided_analytical_chunked:
3880       __kmp_str_buf_print(buffer, "%s,%d'\n", "guided", __kmp_chunk);
3881       break;
3882     case kmp_sch_trapezoidal:
3883       __kmp_str_buf_print(buffer, "%s,%d'\n", "trapezoidal", __kmp_chunk);
3884       break;
3885     case kmp_sch_static:
3886     case kmp_sch_static_chunked:
3887     case kmp_sch_static_balanced:
3888     case kmp_sch_static_greedy:
3889       __kmp_str_buf_print(buffer, "%s,%d'\n", "static", __kmp_chunk);
3890       break;
3891     case kmp_sch_static_steal:
3892       __kmp_str_buf_print(buffer, "%s,%d'\n", "static_steal", __kmp_chunk);
3893       break;
3894     case kmp_sch_auto:
3895       __kmp_str_buf_print(buffer, "%s,%d'\n", "auto", __kmp_chunk);
3896       break;
3897     }
3898   } else {
3899     switch (sched) {
3900     case kmp_sch_dynamic_chunked:
3901       __kmp_str_buf_print(buffer, "%s'\n", "dynamic");
3902       break;
3903     case kmp_sch_guided_iterative_chunked:
3904     case kmp_sch_guided_analytical_chunked:
3905       __kmp_str_buf_print(buffer, "%s'\n", "guided");
3906       break;
3907     case kmp_sch_trapezoidal:
3908       __kmp_str_buf_print(buffer, "%s'\n", "trapezoidal");
3909       break;
3910     case kmp_sch_static:
3911     case kmp_sch_static_chunked:
3912     case kmp_sch_static_balanced:
3913     case kmp_sch_static_greedy:
3914       __kmp_str_buf_print(buffer, "%s'\n", "static");
3915       break;
3916     case kmp_sch_static_steal:
3917       __kmp_str_buf_print(buffer, "%s'\n", "static_steal");
3918       break;
3919     case kmp_sch_auto:
3920       __kmp_str_buf_print(buffer, "%s'\n", "auto");
3921       break;
3922     }
3923   }
3924 } // __kmp_stg_print_omp_schedule
3925 
3926 #if KMP_USE_HIER_SCHED
3927 // -----------------------------------------------------------------------------
3928 // KMP_DISP_HAND_THREAD
3929 static void __kmp_stg_parse_kmp_hand_thread(char const *name, char const *value,
3930                                             void *data) {
3931   __kmp_stg_parse_bool(name, value, &(__kmp_dispatch_hand_threading));
3932 } // __kmp_stg_parse_kmp_hand_thread
3933 
3934 static void __kmp_stg_print_kmp_hand_thread(kmp_str_buf_t *buffer,
3935                                             char const *name, void *data) {
3936   __kmp_stg_print_bool(buffer, name, __kmp_dispatch_hand_threading);
3937 } // __kmp_stg_print_kmp_hand_thread
3938 #endif
3939 
3940 // -----------------------------------------------------------------------------
3941 // KMP_ATOMIC_MODE
3942 
3943 static void __kmp_stg_parse_atomic_mode(char const *name, char const *value,
3944                                         void *data) {
3945   // Modes: 0 -- do not change default; 1 -- Intel perf mode, 2 -- GOMP
3946   // compatibility mode.
3947   int mode = 0;
3948   int max = 1;
3949 #ifdef KMP_GOMP_COMPAT
3950   max = 2;
3951 #endif /* KMP_GOMP_COMPAT */
3952   __kmp_stg_parse_int(name, value, 0, max, &mode);
3953   // TODO; parse_int is not very suitable for this case. In case of overflow it
3954   // is better to use
3955   // 0 rather that max value.
3956   if (mode > 0) {
3957     __kmp_atomic_mode = mode;
3958   }
3959 } // __kmp_stg_parse_atomic_mode
3960 
3961 static void __kmp_stg_print_atomic_mode(kmp_str_buf_t *buffer, char const *name,
3962                                         void *data) {
3963   __kmp_stg_print_int(buffer, name, __kmp_atomic_mode);
3964 } // __kmp_stg_print_atomic_mode
3965 
3966 // -----------------------------------------------------------------------------
3967 // KMP_CONSISTENCY_CHECK
3968 
3969 static void __kmp_stg_parse_consistency_check(char const *name,
3970                                               char const *value, void *data) {
3971   if (!__kmp_strcasecmp_with_sentinel("all", value, 0)) {
3972     // Note, this will not work from kmp_set_defaults because th_cons stack was
3973     // not allocated
3974     // for existed thread(s) thus the first __kmp_push_<construct> will break
3975     // with assertion.
3976     // TODO: allocate th_cons if called from kmp_set_defaults.
3977     __kmp_env_consistency_check = TRUE;
3978   } else if (!__kmp_strcasecmp_with_sentinel("none", value, 0)) {
3979     __kmp_env_consistency_check = FALSE;
3980   } else {
3981     KMP_WARNING(StgInvalidValue, name, value);
3982   }
3983 } // __kmp_stg_parse_consistency_check
3984 
3985 static void __kmp_stg_print_consistency_check(kmp_str_buf_t *buffer,
3986                                               char const *name, void *data) {
3987 #if KMP_DEBUG
3988   const char *value = NULL;
3989 
3990   if (__kmp_env_consistency_check) {
3991     value = "all";
3992   } else {
3993     value = "none";
3994   }
3995 
3996   if (value != NULL) {
3997     __kmp_stg_print_str(buffer, name, value);
3998   }
3999 #endif /* KMP_DEBUG */
4000 } // __kmp_stg_print_consistency_check
4001 
4002 #if USE_ITT_BUILD
4003 // -----------------------------------------------------------------------------
4004 // KMP_ITT_PREPARE_DELAY
4005 
4006 #if USE_ITT_NOTIFY
4007 
4008 static void __kmp_stg_parse_itt_prepare_delay(char const *name,
4009                                               char const *value, void *data) {
4010   // Experimental code: KMP_ITT_PREPARE_DELAY specifies numbert of loop
4011   // iterations.
4012   int delay = 0;
4013   __kmp_stg_parse_int(name, value, 0, INT_MAX, &delay);
4014   __kmp_itt_prepare_delay = delay;
4015 } // __kmp_str_parse_itt_prepare_delay
4016 
4017 static void __kmp_stg_print_itt_prepare_delay(kmp_str_buf_t *buffer,
4018                                               char const *name, void *data) {
4019   __kmp_stg_print_uint64(buffer, name, __kmp_itt_prepare_delay);
4020 
4021 } // __kmp_str_print_itt_prepare_delay
4022 
4023 #endif // USE_ITT_NOTIFY
4024 #endif /* USE_ITT_BUILD */
4025 
4026 // -----------------------------------------------------------------------------
4027 // KMP_MALLOC_POOL_INCR
4028 
4029 static void __kmp_stg_parse_malloc_pool_incr(char const *name,
4030                                              char const *value, void *data) {
4031   __kmp_stg_parse_size(name, value, KMP_MIN_MALLOC_POOL_INCR,
4032                        KMP_MAX_MALLOC_POOL_INCR, NULL, &__kmp_malloc_pool_incr,
4033                        1);
4034 } // __kmp_stg_parse_malloc_pool_incr
4035 
4036 static void __kmp_stg_print_malloc_pool_incr(kmp_str_buf_t *buffer,
4037                                              char const *name, void *data) {
4038   __kmp_stg_print_size(buffer, name, __kmp_malloc_pool_incr);
4039 
4040 } // _kmp_stg_print_malloc_pool_incr
4041 
4042 #ifdef KMP_DEBUG
4043 
4044 // -----------------------------------------------------------------------------
4045 // KMP_PAR_RANGE
4046 
4047 static void __kmp_stg_parse_par_range_env(char const *name, char const *value,
4048                                           void *data) {
4049   __kmp_stg_parse_par_range(name, value, &__kmp_par_range,
4050                             __kmp_par_range_routine, __kmp_par_range_filename,
4051                             &__kmp_par_range_lb, &__kmp_par_range_ub);
4052 } // __kmp_stg_parse_par_range_env
4053 
4054 static void __kmp_stg_print_par_range_env(kmp_str_buf_t *buffer,
4055                                           char const *name, void *data) {
4056   if (__kmp_par_range != 0) {
4057     __kmp_stg_print_str(buffer, name, par_range_to_print);
4058   }
4059 } // __kmp_stg_print_par_range_env
4060 
4061 #endif
4062 
4063 // -----------------------------------------------------------------------------
4064 // KMP_GTID_MODE
4065 
4066 static void __kmp_stg_parse_gtid_mode(char const *name, char const *value,
4067                                       void *data) {
4068   // Modes:
4069   //   0 -- do not change default
4070   //   1 -- sp search
4071   //   2 -- use "keyed" TLS var, i.e.
4072   //        pthread_getspecific(Linux* OS/OS X*) or TlsGetValue(Windows* OS)
4073   //   3 -- __declspec(thread) TLS var in tdata section
4074   int mode = 0;
4075   int max = 2;
4076 #ifdef KMP_TDATA_GTID
4077   max = 3;
4078 #endif /* KMP_TDATA_GTID */
4079   __kmp_stg_parse_int(name, value, 0, max, &mode);
4080   // TODO; parse_int is not very suitable for this case. In case of overflow it
4081   // is better to use 0 rather that max value.
4082   if (mode == 0) {
4083     __kmp_adjust_gtid_mode = TRUE;
4084   } else {
4085     __kmp_gtid_mode = mode;
4086     __kmp_adjust_gtid_mode = FALSE;
4087   }
4088 } // __kmp_str_parse_gtid_mode
4089 
4090 static void __kmp_stg_print_gtid_mode(kmp_str_buf_t *buffer, char const *name,
4091                                       void *data) {
4092   if (__kmp_adjust_gtid_mode) {
4093     __kmp_stg_print_int(buffer, name, 0);
4094   } else {
4095     __kmp_stg_print_int(buffer, name, __kmp_gtid_mode);
4096   }
4097 } // __kmp_stg_print_gtid_mode
4098 
4099 // -----------------------------------------------------------------------------
4100 // KMP_NUM_LOCKS_IN_BLOCK
4101 
4102 static void __kmp_stg_parse_lock_block(char const *name, char const *value,
4103                                        void *data) {
4104   __kmp_stg_parse_int(name, value, 0, KMP_INT_MAX, &__kmp_num_locks_in_block);
4105 } // __kmp_str_parse_lock_block
4106 
4107 static void __kmp_stg_print_lock_block(kmp_str_buf_t *buffer, char const *name,
4108                                        void *data) {
4109   __kmp_stg_print_int(buffer, name, __kmp_num_locks_in_block);
4110 } // __kmp_stg_print_lock_block
4111 
4112 // -----------------------------------------------------------------------------
4113 // KMP_LOCK_KIND
4114 
4115 #if KMP_USE_DYNAMIC_LOCK
4116 #define KMP_STORE_LOCK_SEQ(a) (__kmp_user_lock_seq = lockseq_##a)
4117 #else
4118 #define KMP_STORE_LOCK_SEQ(a)
4119 #endif
4120 
4121 static void __kmp_stg_parse_lock_kind(char const *name, char const *value,
4122                                       void *data) {
4123   if (__kmp_init_user_locks) {
4124     KMP_WARNING(EnvLockWarn, name);
4125     return;
4126   }
4127 
4128   if (__kmp_str_match("tas", 2, value) ||
4129       __kmp_str_match("test and set", 2, value) ||
4130       __kmp_str_match("test_and_set", 2, value) ||
4131       __kmp_str_match("test-and-set", 2, value) ||
4132       __kmp_str_match("test andset", 2, value) ||
4133       __kmp_str_match("test_andset", 2, value) ||
4134       __kmp_str_match("test-andset", 2, value) ||
4135       __kmp_str_match("testand set", 2, value) ||
4136       __kmp_str_match("testand_set", 2, value) ||
4137       __kmp_str_match("testand-set", 2, value) ||
4138       __kmp_str_match("testandset", 2, value)) {
4139     __kmp_user_lock_kind = lk_tas;
4140     KMP_STORE_LOCK_SEQ(tas);
4141   }
4142 #if KMP_USE_FUTEX
4143   else if (__kmp_str_match("futex", 1, value)) {
4144     if (__kmp_futex_determine_capable()) {
4145       __kmp_user_lock_kind = lk_futex;
4146       KMP_STORE_LOCK_SEQ(futex);
4147     } else {
4148       KMP_WARNING(FutexNotSupported, name, value);
4149     }
4150   }
4151 #endif
4152   else if (__kmp_str_match("ticket", 2, value)) {
4153     __kmp_user_lock_kind = lk_ticket;
4154     KMP_STORE_LOCK_SEQ(ticket);
4155   } else if (__kmp_str_match("queuing", 1, value) ||
4156              __kmp_str_match("queue", 1, value)) {
4157     __kmp_user_lock_kind = lk_queuing;
4158     KMP_STORE_LOCK_SEQ(queuing);
4159   } else if (__kmp_str_match("drdpa ticket", 1, value) ||
4160              __kmp_str_match("drdpa_ticket", 1, value) ||
4161              __kmp_str_match("drdpa-ticket", 1, value) ||
4162              __kmp_str_match("drdpaticket", 1, value) ||
4163              __kmp_str_match("drdpa", 1, value)) {
4164     __kmp_user_lock_kind = lk_drdpa;
4165     KMP_STORE_LOCK_SEQ(drdpa);
4166   }
4167 #if KMP_USE_ADAPTIVE_LOCKS
4168   else if (__kmp_str_match("adaptive", 1, value)) {
4169     if (__kmp_cpuinfo.rtm) { // ??? Is cpuinfo available here?
4170       __kmp_user_lock_kind = lk_adaptive;
4171       KMP_STORE_LOCK_SEQ(adaptive);
4172     } else {
4173       KMP_WARNING(AdaptiveNotSupported, name, value);
4174       __kmp_user_lock_kind = lk_queuing;
4175       KMP_STORE_LOCK_SEQ(queuing);
4176     }
4177   }
4178 #endif // KMP_USE_ADAPTIVE_LOCKS
4179 #if KMP_USE_DYNAMIC_LOCK && KMP_USE_TSX
4180   else if (__kmp_str_match("rtm", 1, value)) {
4181     if (__kmp_cpuinfo.rtm) {
4182       __kmp_user_lock_kind = lk_rtm;
4183       KMP_STORE_LOCK_SEQ(rtm);
4184     } else {
4185       KMP_WARNING(AdaptiveNotSupported, name, value);
4186       __kmp_user_lock_kind = lk_queuing;
4187       KMP_STORE_LOCK_SEQ(queuing);
4188     }
4189   } else if (__kmp_str_match("hle", 1, value)) {
4190     __kmp_user_lock_kind = lk_hle;
4191     KMP_STORE_LOCK_SEQ(hle);
4192   }
4193 #endif
4194   else {
4195     KMP_WARNING(StgInvalidValue, name, value);
4196   }
4197 }
4198 
4199 static void __kmp_stg_print_lock_kind(kmp_str_buf_t *buffer, char const *name,
4200                                       void *data) {
4201   const char *value = NULL;
4202 
4203   switch (__kmp_user_lock_kind) {
4204   case lk_default:
4205     value = "default";
4206     break;
4207 
4208   case lk_tas:
4209     value = "tas";
4210     break;
4211 
4212 #if KMP_USE_FUTEX
4213   case lk_futex:
4214     value = "futex";
4215     break;
4216 #endif
4217 
4218 #if KMP_USE_DYNAMIC_LOCK && KMP_USE_TSX
4219   case lk_rtm:
4220     value = "rtm";
4221     break;
4222 
4223   case lk_hle:
4224     value = "hle";
4225     break;
4226 #endif
4227 
4228   case lk_ticket:
4229     value = "ticket";
4230     break;
4231 
4232   case lk_queuing:
4233     value = "queuing";
4234     break;
4235 
4236   case lk_drdpa:
4237     value = "drdpa";
4238     break;
4239 #if KMP_USE_ADAPTIVE_LOCKS
4240   case lk_adaptive:
4241     value = "adaptive";
4242     break;
4243 #endif
4244   }
4245 
4246   if (value != NULL) {
4247     __kmp_stg_print_str(buffer, name, value);
4248   }
4249 }
4250 
4251 // -----------------------------------------------------------------------------
4252 // KMP_SPIN_BACKOFF_PARAMS
4253 
4254 // KMP_SPIN_BACKOFF_PARAMS=max_backoff[,min_tick] (max backoff size, min tick
4255 // for machine pause)
4256 static void __kmp_stg_parse_spin_backoff_params(const char *name,
4257                                                 const char *value, void *data) {
4258   const char *next = value;
4259 
4260   int total = 0; // Count elements that were set. It'll be used as an array size
4261   int prev_comma = FALSE; // For correct processing sequential commas
4262   int i;
4263 
4264   kmp_uint32 max_backoff = __kmp_spin_backoff_params.max_backoff;
4265   kmp_uint32 min_tick = __kmp_spin_backoff_params.min_tick;
4266 
4267   // Run only 3 iterations because it is enough to read two values or find a
4268   // syntax error
4269   for (i = 0; i < 3; i++) {
4270     SKIP_WS(next);
4271 
4272     if (*next == '\0') {
4273       break;
4274     }
4275     // Next character is not an integer or not a comma OR number of values > 2
4276     // => end of list
4277     if (((*next < '0' || *next > '9') && *next != ',') || total > 2) {
4278       KMP_WARNING(EnvSyntaxError, name, value);
4279       return;
4280     }
4281     // The next character is ','
4282     if (*next == ',') {
4283       // ',' is the fisrt character
4284       if (total == 0 || prev_comma) {
4285         total++;
4286       }
4287       prev_comma = TRUE;
4288       next++; // skip ','
4289       SKIP_WS(next);
4290     }
4291     // Next character is a digit
4292     if (*next >= '0' && *next <= '9') {
4293       int num;
4294       const char *buf = next;
4295       char const *msg = NULL;
4296       prev_comma = FALSE;
4297       SKIP_DIGITS(next);
4298       total++;
4299 
4300       const char *tmp = next;
4301       SKIP_WS(tmp);
4302       if ((*next == ' ' || *next == '\t') && (*tmp >= '0' && *tmp <= '9')) {
4303         KMP_WARNING(EnvSpacesNotAllowed, name, value);
4304         return;
4305       }
4306 
4307       num = __kmp_str_to_int(buf, *next);
4308       if (num <= 0) { // The number of retries should be > 0
4309         msg = KMP_I18N_STR(ValueTooSmall);
4310         num = 1;
4311       } else if (num > KMP_INT_MAX) {
4312         msg = KMP_I18N_STR(ValueTooLarge);
4313         num = KMP_INT_MAX;
4314       }
4315       if (msg != NULL) {
4316         // Message is not empty. Print warning.
4317         KMP_WARNING(ParseSizeIntWarn, name, value, msg);
4318         KMP_INFORM(Using_int_Value, name, num);
4319       }
4320       if (total == 1) {
4321         max_backoff = num;
4322       } else if (total == 2) {
4323         min_tick = num;
4324       }
4325     }
4326   }
4327   KMP_DEBUG_ASSERT(total > 0);
4328   if (total <= 0) {
4329     KMP_WARNING(EnvSyntaxError, name, value);
4330     return;
4331   }
4332   __kmp_spin_backoff_params.max_backoff = max_backoff;
4333   __kmp_spin_backoff_params.min_tick = min_tick;
4334 }
4335 
4336 static void __kmp_stg_print_spin_backoff_params(kmp_str_buf_t *buffer,
4337                                                 char const *name, void *data) {
4338   if (__kmp_env_format) {
4339     KMP_STR_BUF_PRINT_NAME_EX(name);
4340   } else {
4341     __kmp_str_buf_print(buffer, "   %s='", name);
4342   }
4343   __kmp_str_buf_print(buffer, "%d,%d'\n", __kmp_spin_backoff_params.max_backoff,
4344                       __kmp_spin_backoff_params.min_tick);
4345 }
4346 
4347 #if KMP_USE_ADAPTIVE_LOCKS
4348 
4349 // -----------------------------------------------------------------------------
4350 // KMP_ADAPTIVE_LOCK_PROPS, KMP_SPECULATIVE_STATSFILE
4351 
4352 // Parse out values for the tunable parameters from a string of the form
4353 // KMP_ADAPTIVE_LOCK_PROPS=max_soft_retries[,max_badness]
4354 static void __kmp_stg_parse_adaptive_lock_props(const char *name,
4355                                                 const char *value, void *data) {
4356   int max_retries = 0;
4357   int max_badness = 0;
4358 
4359   const char *next = value;
4360 
4361   int total = 0; // Count elements that were set. It'll be used as an array size
4362   int prev_comma = FALSE; // For correct processing sequential commas
4363   int i;
4364 
4365   // Save values in the structure __kmp_speculative_backoff_params
4366   // Run only 3 iterations because it is enough to read two values or find a
4367   // syntax error
4368   for (i = 0; i < 3; i++) {
4369     SKIP_WS(next);
4370 
4371     if (*next == '\0') {
4372       break;
4373     }
4374     // Next character is not an integer or not a comma OR number of values > 2
4375     // => end of list
4376     if (((*next < '0' || *next > '9') && *next != ',') || total > 2) {
4377       KMP_WARNING(EnvSyntaxError, name, value);
4378       return;
4379     }
4380     // The next character is ','
4381     if (*next == ',') {
4382       // ',' is the fisrt character
4383       if (total == 0 || prev_comma) {
4384         total++;
4385       }
4386       prev_comma = TRUE;
4387       next++; // skip ','
4388       SKIP_WS(next);
4389     }
4390     // Next character is a digit
4391     if (*next >= '0' && *next <= '9') {
4392       int num;
4393       const char *buf = next;
4394       char const *msg = NULL;
4395       prev_comma = FALSE;
4396       SKIP_DIGITS(next);
4397       total++;
4398 
4399       const char *tmp = next;
4400       SKIP_WS(tmp);
4401       if ((*next == ' ' || *next == '\t') && (*tmp >= '0' && *tmp <= '9')) {
4402         KMP_WARNING(EnvSpacesNotAllowed, name, value);
4403         return;
4404       }
4405 
4406       num = __kmp_str_to_int(buf, *next);
4407       if (num < 0) { // The number of retries should be >= 0
4408         msg = KMP_I18N_STR(ValueTooSmall);
4409         num = 1;
4410       } else if (num > KMP_INT_MAX) {
4411         msg = KMP_I18N_STR(ValueTooLarge);
4412         num = KMP_INT_MAX;
4413       }
4414       if (msg != NULL) {
4415         // Message is not empty. Print warning.
4416         KMP_WARNING(ParseSizeIntWarn, name, value, msg);
4417         KMP_INFORM(Using_int_Value, name, num);
4418       }
4419       if (total == 1) {
4420         max_retries = num;
4421       } else if (total == 2) {
4422         max_badness = num;
4423       }
4424     }
4425   }
4426   KMP_DEBUG_ASSERT(total > 0);
4427   if (total <= 0) {
4428     KMP_WARNING(EnvSyntaxError, name, value);
4429     return;
4430   }
4431   __kmp_adaptive_backoff_params.max_soft_retries = max_retries;
4432   __kmp_adaptive_backoff_params.max_badness = max_badness;
4433 }
4434 
4435 static void __kmp_stg_print_adaptive_lock_props(kmp_str_buf_t *buffer,
4436                                                 char const *name, void *data) {
4437   if (__kmp_env_format) {
4438     KMP_STR_BUF_PRINT_NAME_EX(name);
4439   } else {
4440     __kmp_str_buf_print(buffer, "   %s='", name);
4441   }
4442   __kmp_str_buf_print(buffer, "%d,%d'\n",
4443                       __kmp_adaptive_backoff_params.max_soft_retries,
4444                       __kmp_adaptive_backoff_params.max_badness);
4445 } // __kmp_stg_print_adaptive_lock_props
4446 
4447 #if KMP_DEBUG_ADAPTIVE_LOCKS
4448 
4449 static void __kmp_stg_parse_speculative_statsfile(char const *name,
4450                                                   char const *value,
4451                                                   void *data) {
4452   __kmp_stg_parse_file(name, value, "", CCAST(char**, &__kmp_speculative_statsfile));
4453 } // __kmp_stg_parse_speculative_statsfile
4454 
4455 static void __kmp_stg_print_speculative_statsfile(kmp_str_buf_t *buffer,
4456                                                   char const *name,
4457                                                   void *data) {
4458   if (__kmp_str_match("-", 0, __kmp_speculative_statsfile)) {
4459     __kmp_stg_print_str(buffer, name, "stdout");
4460   } else {
4461     __kmp_stg_print_str(buffer, name, __kmp_speculative_statsfile);
4462   }
4463 
4464 } // __kmp_stg_print_speculative_statsfile
4465 
4466 #endif // KMP_DEBUG_ADAPTIVE_LOCKS
4467 
4468 #endif // KMP_USE_ADAPTIVE_LOCKS
4469 
4470 // -----------------------------------------------------------------------------
4471 // KMP_HW_SUBSET (was KMP_PLACE_THREADS)
4472 
4473 // The longest observable sequense of items is
4474 // Socket-Node-Tile-Core-Thread
4475 // So, let's limit to 5 levels for now
4476 // The input string is usually short enough, let's use 512 limit for now
4477 #define MAX_T_LEVEL 5
4478 #define MAX_STR_LEN 512
4479 static void __kmp_stg_parse_hw_subset(char const *name, char const *value,
4480                                       void *data) {
4481   // Value example: 1s,5c@3,2T
4482   // Which means "use 1 socket, 5 cores with offset 3, 2 threads per core"
4483   kmp_setting_t **rivals = (kmp_setting_t **)data;
4484   if (strcmp(name, "KMP_PLACE_THREADS") == 0) {
4485     KMP_INFORM(EnvVarDeprecated, name, "KMP_HW_SUBSET");
4486   }
4487   if (__kmp_stg_check_rivals(name, value, rivals)) {
4488     return;
4489   }
4490 
4491   char *components[MAX_T_LEVEL];
4492   char const *digits = "0123456789";
4493   char input[MAX_STR_LEN];
4494   size_t len = 0, mlen = MAX_STR_LEN;
4495   int level = 0;
4496   // Canonize the string (remove spaces, unify delimiters, etc.)
4497   char *pos = CCAST(char *, value);
4498   while (*pos && mlen) {
4499     if (*pos != ' ') { // skip spaces
4500       if (len == 0 && *pos == ':') {
4501         __kmp_hws_abs_flag = 1; // if the first symbol is ":", skip it
4502       } else {
4503         input[len] = toupper(*pos);
4504         if (input[len] == 'X')
4505           input[len] = ','; // unify delimiters of levels
4506         if (input[len] == 'O' && strchr(digits, *(pos + 1)))
4507           input[len] = '@'; // unify delimiters of offset
4508         len++;
4509       }
4510     }
4511     mlen--;
4512     pos++;
4513   }
4514   if (len == 0 || mlen == 0)
4515     goto err; // contents is either empty or too long
4516   input[len] = '\0';
4517   __kmp_hws_requested = 1; // mark that subset requested
4518   // Split by delimiter
4519   pos = input;
4520   components[level++] = pos;
4521   while ((pos = strchr(pos, ','))) {
4522     if (level >= MAX_T_LEVEL)
4523       goto err; // too many components provided
4524     *pos = '\0'; // modify input and avoid more copying
4525     components[level++] = ++pos; // expect something after ","
4526   }
4527   // Check each component
4528   for (int i = 0; i < level; ++i) {
4529     int offset = 0;
4530     int num = atoi(components[i]); // each component should start with a number
4531     if ((pos = strchr(components[i], '@'))) {
4532       offset = atoi(pos + 1); // save offset
4533       *pos = '\0'; // cut the offset from the component
4534     }
4535     pos = components[i] + strspn(components[i], digits);
4536     if (pos == components[i])
4537       goto err;
4538     // detect the component type
4539     switch (*pos) {
4540     case 'S': // Socket
4541       if (__kmp_hws_socket.num > 0)
4542         goto err; // duplicate is not allowed
4543       __kmp_hws_socket.num = num;
4544       __kmp_hws_socket.offset = offset;
4545       break;
4546     case 'N': // NUMA Node
4547       if (__kmp_hws_node.num > 0)
4548         goto err; // duplicate is not allowed
4549       __kmp_hws_node.num = num;
4550       __kmp_hws_node.offset = offset;
4551       break;
4552     case 'L': // Cache
4553       if (*(pos + 1) == '2') { // L2 - Tile
4554         if (__kmp_hws_tile.num > 0)
4555           goto err; // duplicate is not allowed
4556         __kmp_hws_tile.num = num;
4557         __kmp_hws_tile.offset = offset;
4558       } else if (*(pos + 1) == '3') { // L3 - Socket
4559         if (__kmp_hws_socket.num > 0)
4560           goto err; // duplicate is not allowed
4561         __kmp_hws_socket.num = num;
4562         __kmp_hws_socket.offset = offset;
4563       } else if (*(pos + 1) == '1') { // L1 - Core
4564         if (__kmp_hws_core.num > 0)
4565           goto err; // duplicate is not allowed
4566         __kmp_hws_core.num = num;
4567         __kmp_hws_core.offset = offset;
4568       }
4569       break;
4570     case 'C': // Core (or Cache?)
4571       if (*(pos + 1) != 'A') {
4572         if (__kmp_hws_core.num > 0)
4573           goto err; // duplicate is not allowed
4574         __kmp_hws_core.num = num;
4575         __kmp_hws_core.offset = offset;
4576       } else { // Cache
4577         char *d = pos + strcspn(pos, digits); // find digit
4578         if (*d == '2') { // L2 - Tile
4579           if (__kmp_hws_tile.num > 0)
4580             goto err; // duplicate is not allowed
4581           __kmp_hws_tile.num = num;
4582           __kmp_hws_tile.offset = offset;
4583         } else if (*d == '3') { // L3 - Socket
4584           if (__kmp_hws_socket.num > 0)
4585             goto err; // duplicate is not allowed
4586           __kmp_hws_socket.num = num;
4587           __kmp_hws_socket.offset = offset;
4588         } else if (*d == '1') { // L1 - Core
4589           if (__kmp_hws_core.num > 0)
4590             goto err; // duplicate is not allowed
4591           __kmp_hws_core.num = num;
4592           __kmp_hws_core.offset = offset;
4593         } else {
4594           goto err;
4595         }
4596       }
4597       break;
4598     case 'T': // Thread
4599       if (__kmp_hws_proc.num > 0)
4600         goto err; // duplicate is not allowed
4601       __kmp_hws_proc.num = num;
4602       __kmp_hws_proc.offset = offset;
4603       break;
4604     default:
4605       goto err;
4606     }
4607   }
4608   return;
4609 err:
4610   KMP_WARNING(AffHWSubsetInvalid, name, value);
4611   __kmp_hws_requested = 0; // mark that subset not requested
4612   return;
4613 }
4614 
4615 static void __kmp_stg_print_hw_subset(kmp_str_buf_t *buffer, char const *name,
4616                                       void *data) {
4617   if (__kmp_hws_requested) {
4618     int comma = 0;
4619     kmp_str_buf_t buf;
4620     __kmp_str_buf_init(&buf);
4621     if (__kmp_env_format)
4622       KMP_STR_BUF_PRINT_NAME_EX(name);
4623     else
4624       __kmp_str_buf_print(buffer, "   %s='", name);
4625     if (__kmp_hws_socket.num) {
4626       __kmp_str_buf_print(&buf, "%ds", __kmp_hws_socket.num);
4627       if (__kmp_hws_socket.offset)
4628         __kmp_str_buf_print(&buf, "@%d", __kmp_hws_socket.offset);
4629       comma = 1;
4630     }
4631     if (__kmp_hws_node.num) {
4632       __kmp_str_buf_print(&buf, "%s%dn", comma ? "," : "", __kmp_hws_node.num);
4633       if (__kmp_hws_node.offset)
4634         __kmp_str_buf_print(&buf, "@%d", __kmp_hws_node.offset);
4635       comma = 1;
4636     }
4637     if (__kmp_hws_tile.num) {
4638       __kmp_str_buf_print(&buf, "%s%dL2", comma ? "," : "", __kmp_hws_tile.num);
4639       if (__kmp_hws_tile.offset)
4640         __kmp_str_buf_print(&buf, "@%d", __kmp_hws_tile.offset);
4641       comma = 1;
4642     }
4643     if (__kmp_hws_core.num) {
4644       __kmp_str_buf_print(&buf, "%s%dc", comma ? "," : "", __kmp_hws_core.num);
4645       if (__kmp_hws_core.offset)
4646         __kmp_str_buf_print(&buf, "@%d", __kmp_hws_core.offset);
4647       comma = 1;
4648     }
4649     if (__kmp_hws_proc.num)
4650       __kmp_str_buf_print(&buf, "%s%dt", comma ? "," : "", __kmp_hws_proc.num);
4651     __kmp_str_buf_print(buffer, "%s'\n", buf.str);
4652     __kmp_str_buf_free(&buf);
4653   }
4654 }
4655 
4656 #if USE_ITT_BUILD
4657 // -----------------------------------------------------------------------------
4658 // KMP_FORKJOIN_FRAMES
4659 
4660 static void __kmp_stg_parse_forkjoin_frames(char const *name, char const *value,
4661                                             void *data) {
4662   __kmp_stg_parse_bool(name, value, &__kmp_forkjoin_frames);
4663 } // __kmp_stg_parse_forkjoin_frames
4664 
4665 static void __kmp_stg_print_forkjoin_frames(kmp_str_buf_t *buffer,
4666                                             char const *name, void *data) {
4667   __kmp_stg_print_bool(buffer, name, __kmp_forkjoin_frames);
4668 } // __kmp_stg_print_forkjoin_frames
4669 
4670 // -----------------------------------------------------------------------------
4671 // KMP_FORKJOIN_FRAMES_MODE
4672 
4673 static void __kmp_stg_parse_forkjoin_frames_mode(char const *name,
4674                                                  char const *value,
4675                                                  void *data) {
4676   __kmp_stg_parse_int(name, value, 0, 3, &__kmp_forkjoin_frames_mode);
4677 } // __kmp_stg_parse_forkjoin_frames
4678 
4679 static void __kmp_stg_print_forkjoin_frames_mode(kmp_str_buf_t *buffer,
4680                                                  char const *name, void *data) {
4681   __kmp_stg_print_int(buffer, name, __kmp_forkjoin_frames_mode);
4682 } // __kmp_stg_print_forkjoin_frames
4683 #endif /* USE_ITT_BUILD */
4684 
4685 // -----------------------------------------------------------------------------
4686 // OMP_DISPLAY_ENV
4687 
4688 #if OMP_40_ENABLED
4689 
4690 static void __kmp_stg_parse_omp_display_env(char const *name, char const *value,
4691                                             void *data) {
4692   if (__kmp_str_match("VERBOSE", 1, value)) {
4693     __kmp_display_env_verbose = TRUE;
4694   } else {
4695     __kmp_stg_parse_bool(name, value, &__kmp_display_env);
4696   }
4697 
4698 } // __kmp_stg_parse_omp_display_env
4699 
4700 static void __kmp_stg_print_omp_display_env(kmp_str_buf_t *buffer,
4701                                             char const *name, void *data) {
4702   if (__kmp_display_env_verbose) {
4703     __kmp_stg_print_str(buffer, name, "VERBOSE");
4704   } else {
4705     __kmp_stg_print_bool(buffer, name, __kmp_display_env);
4706   }
4707 } // __kmp_stg_print_omp_display_env
4708 
4709 static void __kmp_stg_parse_omp_cancellation(char const *name,
4710                                              char const *value, void *data) {
4711   if (TCR_4(__kmp_init_parallel)) {
4712     KMP_WARNING(EnvParallelWarn, name);
4713     return;
4714   } // read value before first parallel only
4715   __kmp_stg_parse_bool(name, value, &__kmp_omp_cancellation);
4716 } // __kmp_stg_parse_omp_cancellation
4717 
4718 static void __kmp_stg_print_omp_cancellation(kmp_str_buf_t *buffer,
4719                                              char const *name, void *data) {
4720   __kmp_stg_print_bool(buffer, name, __kmp_omp_cancellation);
4721 } // __kmp_stg_print_omp_cancellation
4722 
4723 #endif
4724 
4725 #if OMP_50_ENABLED && OMPT_SUPPORT
4726 static int __kmp_tool = 1;
4727 
4728 static void __kmp_stg_parse_omp_tool(char const *name, char const *value,
4729                                      void *data) {
4730   __kmp_stg_parse_bool(name, value, &__kmp_tool);
4731 } // __kmp_stg_parse_omp_tool
4732 
4733 static void __kmp_stg_print_omp_tool(kmp_str_buf_t *buffer, char const *name,
4734                                      void *data) {
4735   if (__kmp_env_format) {
4736     KMP_STR_BUF_PRINT_BOOL_EX(name, __kmp_tool, "enabled", "disabled");
4737   } else {
4738     __kmp_str_buf_print(buffer, "   %s=%s\n", name,
4739                         __kmp_tool ? "enabled" : "disabled");
4740   }
4741 } // __kmp_stg_print_omp_tool
4742 
4743 static char *__kmp_tool_libraries = NULL;
4744 
4745 static void __kmp_stg_parse_omp_tool_libraries(char const *name,
4746                                                char const *value, void *data) {
4747   __kmp_stg_parse_str(name, value, &__kmp_tool_libraries);
4748 } // __kmp_stg_parse_omp_tool_libraries
4749 
4750 static void __kmp_stg_print_omp_tool_libraries(kmp_str_buf_t *buffer,
4751                                                char const *name, void *data) {
4752   if (__kmp_tool_libraries)
4753     __kmp_stg_print_str(buffer, name, __kmp_tool_libraries);
4754   else {
4755     if (__kmp_env_format) {
4756       KMP_STR_BUF_PRINT_NAME;
4757     } else {
4758       __kmp_str_buf_print(buffer, "   %s", name);
4759     }
4760     __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
4761   }
4762 } // __kmp_stg_print_omp_tool_libraries
4763 
4764 #endif
4765 
4766 // Table.
4767 
4768 static kmp_setting_t __kmp_stg_table[] = {
4769 
4770     {"KMP_ALL_THREADS", __kmp_stg_parse_device_thread_limit, NULL, NULL, 0, 0},
4771     {"KMP_BLOCKTIME", __kmp_stg_parse_blocktime, __kmp_stg_print_blocktime,
4772      NULL, 0, 0},
4773     {"KMP_USE_YIELD", __kmp_stg_parse_use_yield, __kmp_stg_print_use_yield,
4774      NULL, 0, 0},
4775     {"KMP_DUPLICATE_LIB_OK", __kmp_stg_parse_duplicate_lib_ok,
4776      __kmp_stg_print_duplicate_lib_ok, NULL, 0, 0},
4777     {"KMP_LIBRARY", __kmp_stg_parse_wait_policy, __kmp_stg_print_wait_policy,
4778      NULL, 0, 0},
4779     {"KMP_DEVICE_THREAD_LIMIT", __kmp_stg_parse_device_thread_limit,
4780      __kmp_stg_print_device_thread_limit, NULL, 0, 0},
4781 #if KMP_USE_MONITOR
4782     {"KMP_MONITOR_STACKSIZE", __kmp_stg_parse_monitor_stacksize,
4783      __kmp_stg_print_monitor_stacksize, NULL, 0, 0},
4784 #endif
4785     {"KMP_SETTINGS", __kmp_stg_parse_settings, __kmp_stg_print_settings, NULL,
4786      0, 0},
4787     {"KMP_STACKOFFSET", __kmp_stg_parse_stackoffset,
4788      __kmp_stg_print_stackoffset, NULL, 0, 0},
4789     {"KMP_STACKSIZE", __kmp_stg_parse_stacksize, __kmp_stg_print_stacksize,
4790      NULL, 0, 0},
4791     {"KMP_STACKPAD", __kmp_stg_parse_stackpad, __kmp_stg_print_stackpad, NULL,
4792      0, 0},
4793     {"KMP_VERSION", __kmp_stg_parse_version, __kmp_stg_print_version, NULL, 0,
4794      0},
4795     {"KMP_WARNINGS", __kmp_stg_parse_warnings, __kmp_stg_print_warnings, NULL,
4796      0, 0},
4797 
4798     {"OMP_NESTED", __kmp_stg_parse_nested, __kmp_stg_print_nested, NULL, 0, 0},
4799     {"OMP_NUM_THREADS", __kmp_stg_parse_num_threads,
4800      __kmp_stg_print_num_threads, NULL, 0, 0},
4801     {"OMP_STACKSIZE", __kmp_stg_parse_stacksize, __kmp_stg_print_stacksize,
4802      NULL, 0, 0},
4803 
4804     {"KMP_TASKING", __kmp_stg_parse_tasking, __kmp_stg_print_tasking, NULL, 0,
4805      0},
4806     {"KMP_TASK_STEALING_CONSTRAINT", __kmp_stg_parse_task_stealing,
4807      __kmp_stg_print_task_stealing, NULL, 0, 0},
4808     {"OMP_MAX_ACTIVE_LEVELS", __kmp_stg_parse_max_active_levels,
4809      __kmp_stg_print_max_active_levels, NULL, 0, 0},
4810 #if OMP_40_ENABLED
4811     {"OMP_DEFAULT_DEVICE", __kmp_stg_parse_default_device,
4812      __kmp_stg_print_default_device, NULL, 0, 0},
4813 #endif
4814 #if OMP_50_ENABLED
4815     {"OMP_TARGET_OFFLOAD", __kmp_stg_parse_target_offload,
4816      __kmp_stg_print_target_offload, NULL, 0, 0},
4817 #endif
4818 #if OMP_45_ENABLED
4819     {"OMP_MAX_TASK_PRIORITY", __kmp_stg_parse_max_task_priority,
4820      __kmp_stg_print_max_task_priority, NULL, 0, 0},
4821     {"KMP_TASKLOOP_MIN_TASKS", __kmp_stg_parse_taskloop_min_tasks,
4822      __kmp_stg_print_taskloop_min_tasks, NULL, 0, 0},
4823 #endif
4824     {"OMP_THREAD_LIMIT", __kmp_stg_parse_thread_limit,
4825      __kmp_stg_print_thread_limit, NULL, 0, 0},
4826     {"KMP_TEAMS_THREAD_LIMIT", __kmp_stg_parse_teams_thread_limit,
4827      __kmp_stg_print_teams_thread_limit, NULL, 0, 0},
4828     {"OMP_WAIT_POLICY", __kmp_stg_parse_wait_policy,
4829      __kmp_stg_print_wait_policy, NULL, 0, 0},
4830     {"KMP_DISP_NUM_BUFFERS", __kmp_stg_parse_disp_buffers,
4831      __kmp_stg_print_disp_buffers, NULL, 0, 0},
4832 #if KMP_NESTED_HOT_TEAMS
4833     {"KMP_HOT_TEAMS_MAX_LEVEL", __kmp_stg_parse_hot_teams_level,
4834      __kmp_stg_print_hot_teams_level, NULL, 0, 0},
4835     {"KMP_HOT_TEAMS_MODE", __kmp_stg_parse_hot_teams_mode,
4836      __kmp_stg_print_hot_teams_mode, NULL, 0, 0},
4837 #endif // KMP_NESTED_HOT_TEAMS
4838 
4839 #if KMP_HANDLE_SIGNALS
4840     {"KMP_HANDLE_SIGNALS", __kmp_stg_parse_handle_signals,
4841      __kmp_stg_print_handle_signals, NULL, 0, 0},
4842 #endif
4843 
4844 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
4845     {"KMP_INHERIT_FP_CONTROL", __kmp_stg_parse_inherit_fp_control,
4846      __kmp_stg_print_inherit_fp_control, NULL, 0, 0},
4847 #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */
4848 
4849 #ifdef KMP_GOMP_COMPAT
4850     {"GOMP_STACKSIZE", __kmp_stg_parse_stacksize, NULL, NULL, 0, 0},
4851 #endif
4852 
4853 #ifdef KMP_DEBUG
4854     {"KMP_A_DEBUG", __kmp_stg_parse_a_debug, __kmp_stg_print_a_debug, NULL, 0,
4855      0},
4856     {"KMP_B_DEBUG", __kmp_stg_parse_b_debug, __kmp_stg_print_b_debug, NULL, 0,
4857      0},
4858     {"KMP_C_DEBUG", __kmp_stg_parse_c_debug, __kmp_stg_print_c_debug, NULL, 0,
4859      0},
4860     {"KMP_D_DEBUG", __kmp_stg_parse_d_debug, __kmp_stg_print_d_debug, NULL, 0,
4861      0},
4862     {"KMP_E_DEBUG", __kmp_stg_parse_e_debug, __kmp_stg_print_e_debug, NULL, 0,
4863      0},
4864     {"KMP_F_DEBUG", __kmp_stg_parse_f_debug, __kmp_stg_print_f_debug, NULL, 0,
4865      0},
4866     {"KMP_DEBUG", __kmp_stg_parse_debug, NULL, /* no print */ NULL, 0, 0},
4867     {"KMP_DEBUG_BUF", __kmp_stg_parse_debug_buf, __kmp_stg_print_debug_buf,
4868      NULL, 0, 0},
4869     {"KMP_DEBUG_BUF_ATOMIC", __kmp_stg_parse_debug_buf_atomic,
4870      __kmp_stg_print_debug_buf_atomic, NULL, 0, 0},
4871     {"KMP_DEBUG_BUF_CHARS", __kmp_stg_parse_debug_buf_chars,
4872      __kmp_stg_print_debug_buf_chars, NULL, 0, 0},
4873     {"KMP_DEBUG_BUF_LINES", __kmp_stg_parse_debug_buf_lines,
4874      __kmp_stg_print_debug_buf_lines, NULL, 0, 0},
4875     {"KMP_DIAG", __kmp_stg_parse_diag, __kmp_stg_print_diag, NULL, 0, 0},
4876 
4877     {"KMP_PAR_RANGE", __kmp_stg_parse_par_range_env,
4878      __kmp_stg_print_par_range_env, NULL, 0, 0},
4879 #endif // KMP_DEBUG
4880 
4881     {"KMP_ALIGN_ALLOC", __kmp_stg_parse_align_alloc,
4882      __kmp_stg_print_align_alloc, NULL, 0, 0},
4883 
4884     {"KMP_PLAIN_BARRIER", __kmp_stg_parse_barrier_branch_bit,
4885      __kmp_stg_print_barrier_branch_bit, NULL, 0, 0},
4886     {"KMP_PLAIN_BARRIER_PATTERN", __kmp_stg_parse_barrier_pattern,
4887      __kmp_stg_print_barrier_pattern, NULL, 0, 0},
4888     {"KMP_FORKJOIN_BARRIER", __kmp_stg_parse_barrier_branch_bit,
4889      __kmp_stg_print_barrier_branch_bit, NULL, 0, 0},
4890     {"KMP_FORKJOIN_BARRIER_PATTERN", __kmp_stg_parse_barrier_pattern,
4891      __kmp_stg_print_barrier_pattern, NULL, 0, 0},
4892 #if KMP_FAST_REDUCTION_BARRIER
4893     {"KMP_REDUCTION_BARRIER", __kmp_stg_parse_barrier_branch_bit,
4894      __kmp_stg_print_barrier_branch_bit, NULL, 0, 0},
4895     {"KMP_REDUCTION_BARRIER_PATTERN", __kmp_stg_parse_barrier_pattern,
4896      __kmp_stg_print_barrier_pattern, NULL, 0, 0},
4897 #endif
4898 
4899     {"KMP_ABORT_DELAY", __kmp_stg_parse_abort_delay,
4900      __kmp_stg_print_abort_delay, NULL, 0, 0},
4901     {"KMP_CPUINFO_FILE", __kmp_stg_parse_cpuinfo_file,
4902      __kmp_stg_print_cpuinfo_file, NULL, 0, 0},
4903     {"KMP_FORCE_REDUCTION", __kmp_stg_parse_force_reduction,
4904      __kmp_stg_print_force_reduction, NULL, 0, 0},
4905     {"KMP_DETERMINISTIC_REDUCTION", __kmp_stg_parse_force_reduction,
4906      __kmp_stg_print_force_reduction, NULL, 0, 0},
4907     {"KMP_STORAGE_MAP", __kmp_stg_parse_storage_map,
4908      __kmp_stg_print_storage_map, NULL, 0, 0},
4909     {"KMP_ALL_THREADPRIVATE", __kmp_stg_parse_all_threadprivate,
4910      __kmp_stg_print_all_threadprivate, NULL, 0, 0},
4911     {"KMP_FOREIGN_THREADS_THREADPRIVATE",
4912      __kmp_stg_parse_foreign_threads_threadprivate,
4913      __kmp_stg_print_foreign_threads_threadprivate, NULL, 0, 0},
4914 
4915 #if KMP_AFFINITY_SUPPORTED
4916     {"KMP_AFFINITY", __kmp_stg_parse_affinity, __kmp_stg_print_affinity, NULL,
4917      0, 0},
4918 #ifdef KMP_GOMP_COMPAT
4919     {"GOMP_CPU_AFFINITY", __kmp_stg_parse_gomp_cpu_affinity, NULL,
4920      /* no print */ NULL, 0, 0},
4921 #endif /* KMP_GOMP_COMPAT */
4922 #if OMP_40_ENABLED
4923     {"OMP_PROC_BIND", __kmp_stg_parse_proc_bind, __kmp_stg_print_proc_bind,
4924      NULL, 0, 0},
4925     {"OMP_PLACES", __kmp_stg_parse_places, __kmp_stg_print_places, NULL, 0, 0},
4926 #else
4927     {"OMP_PROC_BIND", __kmp_stg_parse_proc_bind, NULL, /* no print */ NULL, 0,
4928      0},
4929 #endif /* OMP_40_ENABLED */
4930     {"KMP_TOPOLOGY_METHOD", __kmp_stg_parse_topology_method,
4931      __kmp_stg_print_topology_method, NULL, 0, 0},
4932 
4933 #else
4934 
4935 // KMP_AFFINITY is not supported on OS X*, nor is OMP_PLACES.
4936 // OMP_PROC_BIND and proc-bind-var are supported, however.
4937 #if OMP_40_ENABLED
4938     {"OMP_PROC_BIND", __kmp_stg_parse_proc_bind, __kmp_stg_print_proc_bind,
4939      NULL, 0, 0},
4940 #endif
4941 
4942 #endif // KMP_AFFINITY_SUPPORTED
4943 #if OMP_50_ENABLED
4944     {"OMP_DISPLAY_AFFINITY", __kmp_stg_parse_display_affinity,
4945      __kmp_stg_print_display_affinity, NULL, 0, 0},
4946     {"OMP_AFFINITY_FORMAT", __kmp_stg_parse_affinity_format,
4947      __kmp_stg_print_affinity_format, NULL, 0, 0},
4948 #endif
4949     {"KMP_INIT_AT_FORK", __kmp_stg_parse_init_at_fork,
4950      __kmp_stg_print_init_at_fork, NULL, 0, 0},
4951     {"KMP_SCHEDULE", __kmp_stg_parse_schedule, __kmp_stg_print_schedule, NULL,
4952      0, 0},
4953     {"OMP_SCHEDULE", __kmp_stg_parse_omp_schedule, __kmp_stg_print_omp_schedule,
4954      NULL, 0, 0},
4955 #if KMP_USE_HIER_SCHED
4956     {"KMP_DISP_HAND_THREAD", __kmp_stg_parse_kmp_hand_thread,
4957      __kmp_stg_print_kmp_hand_thread, NULL, 0, 0},
4958 #endif
4959     {"KMP_ATOMIC_MODE", __kmp_stg_parse_atomic_mode,
4960      __kmp_stg_print_atomic_mode, NULL, 0, 0},
4961     {"KMP_CONSISTENCY_CHECK", __kmp_stg_parse_consistency_check,
4962      __kmp_stg_print_consistency_check, NULL, 0, 0},
4963 
4964 #if USE_ITT_BUILD && USE_ITT_NOTIFY
4965     {"KMP_ITT_PREPARE_DELAY", __kmp_stg_parse_itt_prepare_delay,
4966      __kmp_stg_print_itt_prepare_delay, NULL, 0, 0},
4967 #endif /* USE_ITT_BUILD && USE_ITT_NOTIFY */
4968     {"KMP_MALLOC_POOL_INCR", __kmp_stg_parse_malloc_pool_incr,
4969      __kmp_stg_print_malloc_pool_incr, NULL, 0, 0},
4970     {"KMP_GTID_MODE", __kmp_stg_parse_gtid_mode, __kmp_stg_print_gtid_mode,
4971      NULL, 0, 0},
4972     {"OMP_DYNAMIC", __kmp_stg_parse_omp_dynamic, __kmp_stg_print_omp_dynamic,
4973      NULL, 0, 0},
4974     {"KMP_DYNAMIC_MODE", __kmp_stg_parse_kmp_dynamic_mode,
4975      __kmp_stg_print_kmp_dynamic_mode, NULL, 0, 0},
4976 
4977 #ifdef USE_LOAD_BALANCE
4978     {"KMP_LOAD_BALANCE_INTERVAL", __kmp_stg_parse_ld_balance_interval,
4979      __kmp_stg_print_ld_balance_interval, NULL, 0, 0},
4980 #endif
4981 
4982     {"KMP_NUM_LOCKS_IN_BLOCK", __kmp_stg_parse_lock_block,
4983      __kmp_stg_print_lock_block, NULL, 0, 0},
4984     {"KMP_LOCK_KIND", __kmp_stg_parse_lock_kind, __kmp_stg_print_lock_kind,
4985      NULL, 0, 0},
4986     {"KMP_SPIN_BACKOFF_PARAMS", __kmp_stg_parse_spin_backoff_params,
4987      __kmp_stg_print_spin_backoff_params, NULL, 0, 0},
4988 #if KMP_USE_ADAPTIVE_LOCKS
4989     {"KMP_ADAPTIVE_LOCK_PROPS", __kmp_stg_parse_adaptive_lock_props,
4990      __kmp_stg_print_adaptive_lock_props, NULL, 0, 0},
4991 #if KMP_DEBUG_ADAPTIVE_LOCKS
4992     {"KMP_SPECULATIVE_STATSFILE", __kmp_stg_parse_speculative_statsfile,
4993      __kmp_stg_print_speculative_statsfile, NULL, 0, 0},
4994 #endif
4995 #endif // KMP_USE_ADAPTIVE_LOCKS
4996     {"KMP_PLACE_THREADS", __kmp_stg_parse_hw_subset, __kmp_stg_print_hw_subset,
4997      NULL, 0, 0},
4998     {"KMP_HW_SUBSET", __kmp_stg_parse_hw_subset, __kmp_stg_print_hw_subset,
4999      NULL, 0, 0},
5000 #if USE_ITT_BUILD
5001     {"KMP_FORKJOIN_FRAMES", __kmp_stg_parse_forkjoin_frames,
5002      __kmp_stg_print_forkjoin_frames, NULL, 0, 0},
5003     {"KMP_FORKJOIN_FRAMES_MODE", __kmp_stg_parse_forkjoin_frames_mode,
5004      __kmp_stg_print_forkjoin_frames_mode, NULL, 0, 0},
5005 #endif
5006 
5007 #if OMP_40_ENABLED
5008     {"OMP_DISPLAY_ENV", __kmp_stg_parse_omp_display_env,
5009      __kmp_stg_print_omp_display_env, NULL, 0, 0},
5010     {"OMP_CANCELLATION", __kmp_stg_parse_omp_cancellation,
5011      __kmp_stg_print_omp_cancellation, NULL, 0, 0},
5012 #endif
5013 
5014 #if OMP_50_ENABLED
5015     {"OMP_ALLOCATOR", __kmp_stg_parse_allocator, __kmp_stg_print_allocator,
5016      NULL, 0, 0},
5017 #endif
5018 
5019 #if OMP_50_ENABLED && OMPT_SUPPORT
5020     {"OMP_TOOL", __kmp_stg_parse_omp_tool, __kmp_stg_print_omp_tool, NULL, 0,
5021      0},
5022     {"OMP_TOOL_LIBRARIES", __kmp_stg_parse_omp_tool_libraries,
5023      __kmp_stg_print_omp_tool_libraries, NULL, 0, 0},
5024 #endif
5025 
5026     {"", NULL, NULL, NULL, 0, 0}}; // settings
5027 
5028 static int const __kmp_stg_count =
5029     sizeof(__kmp_stg_table) / sizeof(kmp_setting_t);
5030 
5031 static inline kmp_setting_t *__kmp_stg_find(char const *name) {
5032 
5033   int i;
5034   if (name != NULL) {
5035     for (i = 0; i < __kmp_stg_count; ++i) {
5036       if (strcmp(__kmp_stg_table[i].name, name) == 0) {
5037         return &__kmp_stg_table[i];
5038       }
5039     }
5040   }
5041   return NULL;
5042 
5043 } // __kmp_stg_find
5044 
5045 static int __kmp_stg_cmp(void const *_a, void const *_b) {
5046   const kmp_setting_t *a = RCAST(const kmp_setting_t *, _a);
5047   const kmp_setting_t *b = RCAST(const kmp_setting_t *, _b);
5048 
5049   // Process KMP_AFFINITY last.
5050   // It needs to come after OMP_PLACES and GOMP_CPU_AFFINITY.
5051   if (strcmp(a->name, "KMP_AFFINITY") == 0) {
5052     if (strcmp(b->name, "KMP_AFFINITY") == 0) {
5053       return 0;
5054     }
5055     return 1;
5056   } else if (strcmp(b->name, "KMP_AFFINITY") == 0) {
5057     return -1;
5058   }
5059   return strcmp(a->name, b->name);
5060 } // __kmp_stg_cmp
5061 
5062 static void __kmp_stg_init(void) {
5063 
5064   static int initialized = 0;
5065 
5066   if (!initialized) {
5067 
5068     // Sort table.
5069     qsort(__kmp_stg_table, __kmp_stg_count - 1, sizeof(kmp_setting_t),
5070           __kmp_stg_cmp);
5071 
5072     { // Initialize *_STACKSIZE data.
5073       kmp_setting_t *kmp_stacksize =
5074           __kmp_stg_find("KMP_STACKSIZE"); // 1st priority.
5075 #ifdef KMP_GOMP_COMPAT
5076       kmp_setting_t *gomp_stacksize =
5077           __kmp_stg_find("GOMP_STACKSIZE"); // 2nd priority.
5078 #endif
5079       kmp_setting_t *omp_stacksize =
5080           __kmp_stg_find("OMP_STACKSIZE"); // 3rd priority.
5081 
5082       // !!! volatile keyword is Intel(R) C Compiler bug CQ49908 workaround.
5083       // !!! Compiler does not understand rivals is used and optimizes out
5084       // assignments
5085       // !!!     rivals[ i ++ ] = ...;
5086       static kmp_setting_t *volatile rivals[4];
5087       static kmp_stg_ss_data_t kmp_data = {1, CCAST(kmp_setting_t **, rivals)};
5088 #ifdef KMP_GOMP_COMPAT
5089       static kmp_stg_ss_data_t gomp_data = {1024,
5090                                             CCAST(kmp_setting_t **, rivals)};
5091 #endif
5092       static kmp_stg_ss_data_t omp_data = {1024,
5093                                            CCAST(kmp_setting_t **, rivals)};
5094       int i = 0;
5095 
5096       rivals[i++] = kmp_stacksize;
5097 #ifdef KMP_GOMP_COMPAT
5098       if (gomp_stacksize != NULL) {
5099         rivals[i++] = gomp_stacksize;
5100       }
5101 #endif
5102       rivals[i++] = omp_stacksize;
5103       rivals[i++] = NULL;
5104 
5105       kmp_stacksize->data = &kmp_data;
5106 #ifdef KMP_GOMP_COMPAT
5107       if (gomp_stacksize != NULL) {
5108         gomp_stacksize->data = &gomp_data;
5109       }
5110 #endif
5111       omp_stacksize->data = &omp_data;
5112     }
5113 
5114     { // Initialize KMP_LIBRARY and OMP_WAIT_POLICY data.
5115       kmp_setting_t *kmp_library =
5116           __kmp_stg_find("KMP_LIBRARY"); // 1st priority.
5117       kmp_setting_t *omp_wait_policy =
5118           __kmp_stg_find("OMP_WAIT_POLICY"); // 2nd priority.
5119 
5120       // !!! volatile keyword is Intel(R) C Compiler bug CQ49908 workaround.
5121       static kmp_setting_t *volatile rivals[3];
5122       static kmp_stg_wp_data_t kmp_data = {0, CCAST(kmp_setting_t **, rivals)};
5123       static kmp_stg_wp_data_t omp_data = {1, CCAST(kmp_setting_t **, rivals)};
5124       int i = 0;
5125 
5126       rivals[i++] = kmp_library;
5127       if (omp_wait_policy != NULL) {
5128         rivals[i++] = omp_wait_policy;
5129       }
5130       rivals[i++] = NULL;
5131 
5132       kmp_library->data = &kmp_data;
5133       if (omp_wait_policy != NULL) {
5134         omp_wait_policy->data = &omp_data;
5135       }
5136     }
5137 
5138     { // Initialize KMP_DEVICE_THREAD_LIMIT and KMP_ALL_THREADS
5139       kmp_setting_t *kmp_device_thread_limit =
5140           __kmp_stg_find("KMP_DEVICE_THREAD_LIMIT"); // 1st priority.
5141       kmp_setting_t *kmp_all_threads =
5142           __kmp_stg_find("KMP_ALL_THREADS"); // 2nd priority.
5143 
5144       // !!! volatile keyword is Intel(R) C Compiler bug CQ49908 workaround.
5145       static kmp_setting_t *volatile rivals[3];
5146       int i = 0;
5147 
5148       rivals[i++] = kmp_device_thread_limit;
5149       rivals[i++] = kmp_all_threads;
5150       rivals[i++] = NULL;
5151 
5152       kmp_device_thread_limit->data = CCAST(kmp_setting_t **, rivals);
5153       kmp_all_threads->data = CCAST(kmp_setting_t **, rivals);
5154     }
5155 
5156     { // Initialize KMP_HW_SUBSET and KMP_PLACE_THREADS
5157       // 1st priority
5158       kmp_setting_t *kmp_hw_subset = __kmp_stg_find("KMP_HW_SUBSET");
5159       // 2nd priority
5160       kmp_setting_t *kmp_place_threads = __kmp_stg_find("KMP_PLACE_THREADS");
5161 
5162       // !!! volatile keyword is Intel(R) C Compiler bug CQ49908 workaround.
5163       static kmp_setting_t *volatile rivals[3];
5164       int i = 0;
5165 
5166       rivals[i++] = kmp_hw_subset;
5167       rivals[i++] = kmp_place_threads;
5168       rivals[i++] = NULL;
5169 
5170       kmp_hw_subset->data = CCAST(kmp_setting_t **, rivals);
5171       kmp_place_threads->data = CCAST(kmp_setting_t **, rivals);
5172     }
5173 
5174 #if KMP_AFFINITY_SUPPORTED
5175     { // Initialize KMP_AFFINITY, GOMP_CPU_AFFINITY, and OMP_PROC_BIND data.
5176       kmp_setting_t *kmp_affinity =
5177           __kmp_stg_find("KMP_AFFINITY"); // 1st priority.
5178       KMP_DEBUG_ASSERT(kmp_affinity != NULL);
5179 
5180 #ifdef KMP_GOMP_COMPAT
5181       kmp_setting_t *gomp_cpu_affinity =
5182           __kmp_stg_find("GOMP_CPU_AFFINITY"); // 2nd priority.
5183       KMP_DEBUG_ASSERT(gomp_cpu_affinity != NULL);
5184 #endif
5185 
5186       kmp_setting_t *omp_proc_bind =
5187           __kmp_stg_find("OMP_PROC_BIND"); // 3rd priority.
5188       KMP_DEBUG_ASSERT(omp_proc_bind != NULL);
5189 
5190       // !!! volatile keyword is Intel(R) C Compiler bug CQ49908 workaround.
5191       static kmp_setting_t *volatile rivals[4];
5192       int i = 0;
5193 
5194       rivals[i++] = kmp_affinity;
5195 
5196 #ifdef KMP_GOMP_COMPAT
5197       rivals[i++] = gomp_cpu_affinity;
5198       gomp_cpu_affinity->data = CCAST(kmp_setting_t **, rivals);
5199 #endif
5200 
5201       rivals[i++] = omp_proc_bind;
5202       omp_proc_bind->data = CCAST(kmp_setting_t **, rivals);
5203       rivals[i++] = NULL;
5204 
5205 #if OMP_40_ENABLED
5206       static kmp_setting_t *volatile places_rivals[4];
5207       i = 0;
5208 
5209       kmp_setting_t *omp_places = __kmp_stg_find("OMP_PLACES"); // 3rd priority.
5210       KMP_DEBUG_ASSERT(omp_places != NULL);
5211 
5212       places_rivals[i++] = kmp_affinity;
5213 #ifdef KMP_GOMP_COMPAT
5214       places_rivals[i++] = gomp_cpu_affinity;
5215 #endif
5216       places_rivals[i++] = omp_places;
5217       omp_places->data = CCAST(kmp_setting_t **, places_rivals);
5218       places_rivals[i++] = NULL;
5219 #endif
5220     }
5221 #else
5222 // KMP_AFFINITY not supported, so OMP_PROC_BIND has no rivals.
5223 // OMP_PLACES not supported yet.
5224 #endif // KMP_AFFINITY_SUPPORTED
5225 
5226     { // Initialize KMP_DETERMINISTIC_REDUCTION and KMP_FORCE_REDUCTION data.
5227       kmp_setting_t *kmp_force_red =
5228           __kmp_stg_find("KMP_FORCE_REDUCTION"); // 1st priority.
5229       kmp_setting_t *kmp_determ_red =
5230           __kmp_stg_find("KMP_DETERMINISTIC_REDUCTION"); // 2nd priority.
5231 
5232       // !!! volatile keyword is Intel(R) C Compiler bug CQ49908 workaround.
5233       static kmp_setting_t *volatile rivals[3];
5234       static kmp_stg_fr_data_t force_data = {1,
5235                                              CCAST(kmp_setting_t **, rivals)};
5236       static kmp_stg_fr_data_t determ_data = {0,
5237                                               CCAST(kmp_setting_t **, rivals)};
5238       int i = 0;
5239 
5240       rivals[i++] = kmp_force_red;
5241       if (kmp_determ_red != NULL) {
5242         rivals[i++] = kmp_determ_red;
5243       }
5244       rivals[i++] = NULL;
5245 
5246       kmp_force_red->data = &force_data;
5247       if (kmp_determ_red != NULL) {
5248         kmp_determ_red->data = &determ_data;
5249       }
5250     }
5251 
5252     initialized = 1;
5253   }
5254 
5255   // Reset flags.
5256   int i;
5257   for (i = 0; i < __kmp_stg_count; ++i) {
5258     __kmp_stg_table[i].set = 0;
5259   }
5260 
5261 } // __kmp_stg_init
5262 
5263 static void __kmp_stg_parse(char const *name, char const *value) {
5264   // On Windows* OS there are some nameless variables like "C:=C:\" (yeah,
5265   // really nameless, they are presented in environment block as
5266   // "=C:=C\\\x00=D:=D:\\\x00...", so let us skip them.
5267   if (name[0] == 0) {
5268     return;
5269   }
5270 
5271   if (value != NULL) {
5272     kmp_setting_t *setting = __kmp_stg_find(name);
5273     if (setting != NULL) {
5274       setting->parse(name, value, setting->data);
5275       setting->defined = 1;
5276     }
5277   }
5278 
5279 } // __kmp_stg_parse
5280 
5281 static int __kmp_stg_check_rivals( // 0 -- Ok, 1 -- errors found.
5282     char const *name, // Name of variable.
5283     char const *value, // Value of the variable.
5284     kmp_setting_t **rivals // List of rival settings (must include current one).
5285     ) {
5286 
5287   if (rivals == NULL) {
5288     return 0;
5289   }
5290 
5291   // Loop thru higher priority settings (listed before current).
5292   int i = 0;
5293   for (; strcmp(rivals[i]->name, name) != 0; i++) {
5294     KMP_DEBUG_ASSERT(rivals[i] != NULL);
5295 
5296 #if KMP_AFFINITY_SUPPORTED
5297     if (rivals[i] == __kmp_affinity_notype) {
5298       // If KMP_AFFINITY is specified without a type name,
5299       // it does not rival OMP_PROC_BIND or GOMP_CPU_AFFINITY.
5300       continue;
5301     }
5302 #endif
5303 
5304     if (rivals[i]->set) {
5305       KMP_WARNING(StgIgnored, name, rivals[i]->name);
5306       return 1;
5307     }
5308   }
5309 
5310   ++i; // Skip current setting.
5311   return 0;
5312 
5313 } // __kmp_stg_check_rivals
5314 
5315 static int __kmp_env_toPrint(char const *name, int flag) {
5316   int rc = 0;
5317   kmp_setting_t *setting = __kmp_stg_find(name);
5318   if (setting != NULL) {
5319     rc = setting->defined;
5320     if (flag >= 0) {
5321       setting->defined = flag;
5322     }
5323   }
5324   return rc;
5325 }
5326 
5327 static void __kmp_aux_env_initialize(kmp_env_blk_t *block) {
5328 
5329   char const *value;
5330 
5331   /* OMP_NUM_THREADS */
5332   value = __kmp_env_blk_var(block, "OMP_NUM_THREADS");
5333   if (value) {
5334     ompc_set_num_threads(__kmp_dflt_team_nth);
5335   }
5336 
5337   /* KMP_BLOCKTIME */
5338   value = __kmp_env_blk_var(block, "KMP_BLOCKTIME");
5339   if (value) {
5340     kmpc_set_blocktime(__kmp_dflt_blocktime);
5341   }
5342 
5343   /* OMP_NESTED */
5344   value = __kmp_env_blk_var(block, "OMP_NESTED");
5345   if (value) {
5346     ompc_set_nested(__kmp_dflt_max_active_levels > 1);
5347   }
5348 
5349   /* OMP_DYNAMIC */
5350   value = __kmp_env_blk_var(block, "OMP_DYNAMIC");
5351   if (value) {
5352     ompc_set_dynamic(__kmp_global.g.g_dynamic);
5353   }
5354 }
5355 
5356 void __kmp_env_initialize(char const *string) {
5357 
5358   kmp_env_blk_t block;
5359   int i;
5360 
5361   __kmp_stg_init();
5362 
5363   // Hack!!!
5364   if (string == NULL) {
5365     // __kmp_max_nth = __kmp_sys_max_nth;
5366     __kmp_threads_capacity =
5367         __kmp_initial_threads_capacity(__kmp_dflt_team_nth_ub);
5368   }
5369   __kmp_env_blk_init(&block, string);
5370 
5371   // update the set flag on all entries that have an env var
5372   for (i = 0; i < block.count; ++i) {
5373     if ((block.vars[i].name == NULL) || (*block.vars[i].name == '\0')) {
5374       continue;
5375     }
5376     if (block.vars[i].value == NULL) {
5377       continue;
5378     }
5379     kmp_setting_t *setting = __kmp_stg_find(block.vars[i].name);
5380     if (setting != NULL) {
5381       setting->set = 1;
5382     }
5383   }
5384 
5385   // We need to know if blocktime was set when processing OMP_WAIT_POLICY
5386   blocktime_str = __kmp_env_blk_var(&block, "KMP_BLOCKTIME");
5387 
5388   // Special case. If we parse environment, not a string, process KMP_WARNINGS
5389   // first.
5390   if (string == NULL) {
5391     char const *name = "KMP_WARNINGS";
5392     char const *value = __kmp_env_blk_var(&block, name);
5393     __kmp_stg_parse(name, value);
5394   }
5395 
5396 #if KMP_AFFINITY_SUPPORTED
5397   // Special case. KMP_AFFINITY is not a rival to other affinity env vars
5398   // if no affinity type is specified.  We want to allow
5399   // KMP_AFFINITY=[no],verbose/[no]warnings/etc.  to be enabled when
5400   // specifying the affinity type via GOMP_CPU_AFFINITY or the OMP 4.0
5401   // affinity mechanism.
5402   __kmp_affinity_notype = NULL;
5403   char const *aff_str = __kmp_env_blk_var(&block, "KMP_AFFINITY");
5404   if (aff_str != NULL) {
5405 // Check if the KMP_AFFINITY type is specified in the string.
5406 // We just search the string for "compact", "scatter", etc.
5407 // without really parsing the string.  The syntax of the
5408 // KMP_AFFINITY env var is such that none of the affinity
5409 // type names can appear anywhere other that the type
5410 // specifier, even as substrings.
5411 //
5412 // I can't find a case-insensitive version of strstr on Windows* OS.
5413 // Use the case-sensitive version for now.
5414 
5415 #if KMP_OS_WINDOWS
5416 #define FIND strstr
5417 #else
5418 #define FIND strcasestr
5419 #endif
5420 
5421     if ((FIND(aff_str, "none") == NULL) &&
5422         (FIND(aff_str, "physical") == NULL) &&
5423         (FIND(aff_str, "logical") == NULL) &&
5424         (FIND(aff_str, "compact") == NULL) &&
5425         (FIND(aff_str, "scatter") == NULL) &&
5426         (FIND(aff_str, "explicit") == NULL) &&
5427         (FIND(aff_str, "balanced") == NULL) &&
5428         (FIND(aff_str, "disabled") == NULL)) {
5429       __kmp_affinity_notype = __kmp_stg_find("KMP_AFFINITY");
5430     } else {
5431       // A new affinity type is specified.
5432       // Reset the affinity flags to their default values,
5433       // in case this is called from kmp_set_defaults().
5434       __kmp_affinity_type = affinity_default;
5435       __kmp_affinity_gran = affinity_gran_default;
5436       __kmp_affinity_top_method = affinity_top_method_default;
5437       __kmp_affinity_respect_mask = affinity_respect_mask_default;
5438     }
5439 #undef FIND
5440 
5441 #if OMP_40_ENABLED
5442     // Also reset the affinity flags if OMP_PROC_BIND is specified.
5443     aff_str = __kmp_env_blk_var(&block, "OMP_PROC_BIND");
5444     if (aff_str != NULL) {
5445       __kmp_affinity_type = affinity_default;
5446       __kmp_affinity_gran = affinity_gran_default;
5447       __kmp_affinity_top_method = affinity_top_method_default;
5448       __kmp_affinity_respect_mask = affinity_respect_mask_default;
5449     }
5450 #endif /* OMP_40_ENABLED */
5451   }
5452 
5453 #endif /* KMP_AFFINITY_SUPPORTED */
5454 
5455 #if OMP_40_ENABLED
5456   // Set up the nested proc bind type vector.
5457   if (__kmp_nested_proc_bind.bind_types == NULL) {
5458     __kmp_nested_proc_bind.bind_types =
5459         (kmp_proc_bind_t *)KMP_INTERNAL_MALLOC(sizeof(kmp_proc_bind_t));
5460     if (__kmp_nested_proc_bind.bind_types == NULL) {
5461       KMP_FATAL(MemoryAllocFailed);
5462     }
5463     __kmp_nested_proc_bind.size = 1;
5464     __kmp_nested_proc_bind.used = 1;
5465 #if KMP_AFFINITY_SUPPORTED
5466     __kmp_nested_proc_bind.bind_types[0] = proc_bind_default;
5467 #else
5468     // default proc bind is false if affinity not supported
5469     __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
5470 #endif
5471   }
5472 #endif /* OMP_40_ENABLED */
5473 
5474 #if OMP_50_ENABLED
5475   // Set up the affinity format ICV
5476   // Grab the default affinity format string from the message catalog
5477   kmp_msg_t m =
5478       __kmp_msg_format(kmp_i18n_msg_AffFormatDefault, "%P", "%i", "%n", "%A");
5479   KMP_DEBUG_ASSERT(KMP_STRLEN(m.str) < KMP_AFFINITY_FORMAT_SIZE);
5480 
5481   if (__kmp_affinity_format == NULL) {
5482     __kmp_affinity_format =
5483         (char *)KMP_INTERNAL_MALLOC(sizeof(char) * KMP_AFFINITY_FORMAT_SIZE);
5484   }
5485   KMP_STRCPY_S(__kmp_affinity_format, KMP_AFFINITY_FORMAT_SIZE, m.str);
5486   __kmp_str_free(&m.str);
5487 #endif
5488 
5489   // Now process all of the settings.
5490   for (i = 0; i < block.count; ++i) {
5491     __kmp_stg_parse(block.vars[i].name, block.vars[i].value);
5492   }
5493 
5494   // If user locks have been allocated yet, don't reset the lock vptr table.
5495   if (!__kmp_init_user_locks) {
5496     if (__kmp_user_lock_kind == lk_default) {
5497       __kmp_user_lock_kind = lk_queuing;
5498     }
5499 #if KMP_USE_DYNAMIC_LOCK
5500     __kmp_init_dynamic_user_locks();
5501 #else
5502     __kmp_set_user_lock_vptrs(__kmp_user_lock_kind);
5503 #endif
5504   } else {
5505     KMP_DEBUG_ASSERT(string != NULL); // kmp_set_defaults() was called
5506     KMP_DEBUG_ASSERT(__kmp_user_lock_kind != lk_default);
5507 // Binds lock functions again to follow the transition between different
5508 // KMP_CONSISTENCY_CHECK values. Calling this again is harmless as long
5509 // as we do not allow lock kind changes after making a call to any
5510 // user lock functions (true).
5511 #if KMP_USE_DYNAMIC_LOCK
5512     __kmp_init_dynamic_user_locks();
5513 #else
5514     __kmp_set_user_lock_vptrs(__kmp_user_lock_kind);
5515 #endif
5516   }
5517 
5518 #if KMP_AFFINITY_SUPPORTED
5519 
5520   if (!TCR_4(__kmp_init_middle)) {
5521 #if KMP_USE_HWLOC
5522     // Force using hwloc when either tiles or numa nodes requested within
5523     // KMP_HW_SUBSET and no other topology method is requested
5524     if ((__kmp_hws_node.num > 0 || __kmp_hws_tile.num > 0 ||
5525          __kmp_affinity_gran == affinity_gran_tile) &&
5526         (__kmp_affinity_top_method == affinity_top_method_default)) {
5527       __kmp_affinity_top_method = affinity_top_method_hwloc;
5528     }
5529 #endif
5530     // Determine if the machine/OS is actually capable of supporting
5531     // affinity.
5532     const char *var = "KMP_AFFINITY";
5533     KMPAffinity::pick_api();
5534 #if KMP_USE_HWLOC
5535     // If Hwloc topology discovery was requested but affinity was also disabled,
5536     // then tell user that Hwloc request is being ignored and use default
5537     // topology discovery method.
5538     if (__kmp_affinity_top_method == affinity_top_method_hwloc &&
5539         __kmp_affinity_dispatch->get_api_type() != KMPAffinity::HWLOC) {
5540       KMP_WARNING(AffIgnoringHwloc, var);
5541       __kmp_affinity_top_method = affinity_top_method_all;
5542     }
5543 #endif
5544     if (__kmp_affinity_type == affinity_disabled) {
5545       KMP_AFFINITY_DISABLE();
5546     } else if (!KMP_AFFINITY_CAPABLE()) {
5547       __kmp_affinity_dispatch->determine_capable(var);
5548       if (!KMP_AFFINITY_CAPABLE()) {
5549         if (__kmp_affinity_verbose ||
5550             (__kmp_affinity_warnings &&
5551              (__kmp_affinity_type != affinity_default) &&
5552              (__kmp_affinity_type != affinity_none) &&
5553              (__kmp_affinity_type != affinity_disabled))) {
5554           KMP_WARNING(AffNotSupported, var);
5555         }
5556         __kmp_affinity_type = affinity_disabled;
5557         __kmp_affinity_respect_mask = 0;
5558         __kmp_affinity_gran = affinity_gran_fine;
5559       }
5560     }
5561 
5562 #if OMP_40_ENABLED
5563     if (__kmp_affinity_type == affinity_disabled) {
5564       __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
5565     } else if (__kmp_nested_proc_bind.bind_types[0] == proc_bind_true) {
5566       // OMP_PROC_BIND=true maps to OMP_PROC_BIND=spread.
5567       __kmp_nested_proc_bind.bind_types[0] = proc_bind_spread;
5568     }
5569 #endif /* OMP_40_ENABLED */
5570 
5571     if (KMP_AFFINITY_CAPABLE()) {
5572 
5573 #if KMP_GROUP_AFFINITY
5574       // This checks to see if the initial affinity mask is equal
5575       // to a single windows processor group.  If it is, then we do
5576       // not respect the initial affinity mask and instead, use the
5577       // entire machine.
5578       bool exactly_one_group = false;
5579       if (__kmp_num_proc_groups > 1) {
5580         int group;
5581         bool within_one_group;
5582         // Get the initial affinity mask and determine if it is
5583         // contained within a single group.
5584         kmp_affin_mask_t *init_mask;
5585         KMP_CPU_ALLOC(init_mask);
5586         __kmp_get_system_affinity(init_mask, TRUE);
5587         group = __kmp_get_proc_group(init_mask);
5588         within_one_group = (group >= 0);
5589         // If the initial affinity is within a single group,
5590         // then determine if it is equal to that single group.
5591         if (within_one_group) {
5592           DWORD num_bits_in_group = __kmp_GetActiveProcessorCount(group);
5593           DWORD num_bits_in_mask = 0;
5594           for (int bit = init_mask->begin(); bit != init_mask->end();
5595                bit = init_mask->next(bit))
5596             num_bits_in_mask++;
5597           exactly_one_group = (num_bits_in_group == num_bits_in_mask);
5598         }
5599         KMP_CPU_FREE(init_mask);
5600       }
5601 
5602       // Handle the Win 64 group affinity stuff if there are multiple
5603       // processor groups, or if the user requested it, and OMP 4.0
5604       // affinity is not in effect.
5605       if (((__kmp_num_proc_groups > 1) &&
5606            (__kmp_affinity_type == affinity_default)
5607 #if OMP_40_ENABLED
5608            && (__kmp_nested_proc_bind.bind_types[0] == proc_bind_default))
5609 #endif
5610           || (__kmp_affinity_top_method == affinity_top_method_group)) {
5611         if (__kmp_affinity_respect_mask == affinity_respect_mask_default &&
5612             exactly_one_group) {
5613           __kmp_affinity_respect_mask = FALSE;
5614         }
5615         if (__kmp_affinity_type == affinity_default) {
5616           __kmp_affinity_type = affinity_compact;
5617 #if OMP_40_ENABLED
5618           __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
5619 #endif
5620         }
5621         if (__kmp_affinity_top_method == affinity_top_method_default) {
5622           if (__kmp_affinity_gran == affinity_gran_default) {
5623             __kmp_affinity_top_method = affinity_top_method_group;
5624             __kmp_affinity_gran = affinity_gran_group;
5625           } else if (__kmp_affinity_gran == affinity_gran_group) {
5626             __kmp_affinity_top_method = affinity_top_method_group;
5627           } else {
5628             __kmp_affinity_top_method = affinity_top_method_all;
5629           }
5630         } else if (__kmp_affinity_top_method == affinity_top_method_group) {
5631           if (__kmp_affinity_gran == affinity_gran_default) {
5632             __kmp_affinity_gran = affinity_gran_group;
5633           } else if ((__kmp_affinity_gran != affinity_gran_group) &&
5634                      (__kmp_affinity_gran != affinity_gran_fine) &&
5635                      (__kmp_affinity_gran != affinity_gran_thread)) {
5636             const char *str = NULL;
5637             switch (__kmp_affinity_gran) {
5638             case affinity_gran_core:
5639               str = "core";
5640               break;
5641             case affinity_gran_package:
5642               str = "package";
5643               break;
5644             case affinity_gran_node:
5645               str = "node";
5646               break;
5647             case affinity_gran_tile:
5648               str = "tile";
5649               break;
5650             default:
5651               KMP_DEBUG_ASSERT(0);
5652             }
5653             KMP_WARNING(AffGranTopGroup, var, str);
5654             __kmp_affinity_gran = affinity_gran_fine;
5655           }
5656         } else {
5657           if (__kmp_affinity_gran == affinity_gran_default) {
5658             __kmp_affinity_gran = affinity_gran_core;
5659           } else if (__kmp_affinity_gran == affinity_gran_group) {
5660             const char *str = NULL;
5661             switch (__kmp_affinity_type) {
5662             case affinity_physical:
5663               str = "physical";
5664               break;
5665             case affinity_logical:
5666               str = "logical";
5667               break;
5668             case affinity_compact:
5669               str = "compact";
5670               break;
5671             case affinity_scatter:
5672               str = "scatter";
5673               break;
5674             case affinity_explicit:
5675               str = "explicit";
5676               break;
5677             // No MIC on windows, so no affinity_balanced case
5678             default:
5679               KMP_DEBUG_ASSERT(0);
5680             }
5681             KMP_WARNING(AffGranGroupType, var, str);
5682             __kmp_affinity_gran = affinity_gran_core;
5683           }
5684         }
5685       } else
5686 
5687 #endif /* KMP_GROUP_AFFINITY */
5688 
5689       {
5690         if (__kmp_affinity_respect_mask == affinity_respect_mask_default) {
5691 #if KMP_GROUP_AFFINITY
5692           if (__kmp_num_proc_groups > 1 && exactly_one_group) {
5693             __kmp_affinity_respect_mask = FALSE;
5694           } else
5695 #endif /* KMP_GROUP_AFFINITY */
5696           {
5697             __kmp_affinity_respect_mask = TRUE;
5698           }
5699         }
5700 #if OMP_40_ENABLED
5701         if ((__kmp_nested_proc_bind.bind_types[0] != proc_bind_intel) &&
5702             (__kmp_nested_proc_bind.bind_types[0] != proc_bind_default)) {
5703           if (__kmp_affinity_type == affinity_default) {
5704             __kmp_affinity_type = affinity_compact;
5705             __kmp_affinity_dups = FALSE;
5706           }
5707         } else
5708 #endif /* OMP_40_ENABLED */
5709             if (__kmp_affinity_type == affinity_default) {
5710 #if OMP_40_ENABLED
5711 #if KMP_MIC_SUPPORTED
5712           if (__kmp_mic_type != non_mic) {
5713             __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
5714           } else
5715 #endif
5716           {
5717             __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
5718           }
5719 #endif /* OMP_40_ENABLED */
5720 #if KMP_MIC_SUPPORTED
5721           if (__kmp_mic_type != non_mic) {
5722             __kmp_affinity_type = affinity_scatter;
5723           } else
5724 #endif
5725           {
5726             __kmp_affinity_type = affinity_none;
5727           }
5728         }
5729         if ((__kmp_affinity_gran == affinity_gran_default) &&
5730             (__kmp_affinity_gran_levels < 0)) {
5731 #if KMP_MIC_SUPPORTED
5732           if (__kmp_mic_type != non_mic) {
5733             __kmp_affinity_gran = affinity_gran_fine;
5734           } else
5735 #endif
5736           {
5737             __kmp_affinity_gran = affinity_gran_core;
5738           }
5739         }
5740         if (__kmp_affinity_top_method == affinity_top_method_default) {
5741           __kmp_affinity_top_method = affinity_top_method_all;
5742         }
5743       }
5744     }
5745 
5746     K_DIAG(1, ("__kmp_affinity_type         == %d\n", __kmp_affinity_type));
5747     K_DIAG(1, ("__kmp_affinity_compact      == %d\n", __kmp_affinity_compact));
5748     K_DIAG(1, ("__kmp_affinity_offset       == %d\n", __kmp_affinity_offset));
5749     K_DIAG(1, ("__kmp_affinity_verbose      == %d\n", __kmp_affinity_verbose));
5750     K_DIAG(1, ("__kmp_affinity_warnings     == %d\n", __kmp_affinity_warnings));
5751     K_DIAG(1, ("__kmp_affinity_respect_mask == %d\n",
5752                __kmp_affinity_respect_mask));
5753     K_DIAG(1, ("__kmp_affinity_gran         == %d\n", __kmp_affinity_gran));
5754 
5755     KMP_DEBUG_ASSERT(__kmp_affinity_type != affinity_default);
5756 #if OMP_40_ENABLED
5757     KMP_DEBUG_ASSERT(__kmp_nested_proc_bind.bind_types[0] != proc_bind_default);
5758     K_DIAG(1, ("__kmp_nested_proc_bind.bind_types[0] == %d\n",
5759                __kmp_nested_proc_bind.bind_types[0]));
5760 #endif
5761   }
5762 
5763 #endif /* KMP_AFFINITY_SUPPORTED */
5764 
5765   if (__kmp_version) {
5766     __kmp_print_version_1();
5767   }
5768 
5769   // Post-initialization step: some env. vars need their value's further
5770   // processing
5771   if (string != NULL) { // kmp_set_defaults() was called
5772     __kmp_aux_env_initialize(&block);
5773   }
5774 
5775   __kmp_env_blk_free(&block);
5776 
5777   KMP_MB();
5778 
5779 } // __kmp_env_initialize
5780 
5781 void __kmp_env_print() {
5782 
5783   kmp_env_blk_t block;
5784   int i;
5785   kmp_str_buf_t buffer;
5786 
5787   __kmp_stg_init();
5788   __kmp_str_buf_init(&buffer);
5789 
5790   __kmp_env_blk_init(&block, NULL);
5791   __kmp_env_blk_sort(&block);
5792 
5793   // Print real environment values.
5794   __kmp_str_buf_print(&buffer, "\n%s\n\n", KMP_I18N_STR(UserSettings));
5795   for (i = 0; i < block.count; ++i) {
5796     char const *name = block.vars[i].name;
5797     char const *value = block.vars[i].value;
5798     if ((KMP_STRLEN(name) > 4 && strncmp(name, "KMP_", 4) == 0) ||
5799         strncmp(name, "OMP_", 4) == 0
5800 #ifdef KMP_GOMP_COMPAT
5801         || strncmp(name, "GOMP_", 5) == 0
5802 #endif // KMP_GOMP_COMPAT
5803         ) {
5804       __kmp_str_buf_print(&buffer, "   %s=%s\n", name, value);
5805     }
5806   }
5807   __kmp_str_buf_print(&buffer, "\n");
5808 
5809   // Print internal (effective) settings.
5810   __kmp_str_buf_print(&buffer, "%s\n\n", KMP_I18N_STR(EffectiveSettings));
5811   for (int i = 0; i < __kmp_stg_count; ++i) {
5812     if (__kmp_stg_table[i].print != NULL) {
5813       __kmp_stg_table[i].print(&buffer, __kmp_stg_table[i].name,
5814                                __kmp_stg_table[i].data);
5815     }
5816   }
5817 
5818   __kmp_printf("%s", buffer.str);
5819 
5820   __kmp_env_blk_free(&block);
5821   __kmp_str_buf_free(&buffer);
5822 
5823   __kmp_printf("\n");
5824 
5825 } // __kmp_env_print
5826 
5827 #if OMP_40_ENABLED
5828 void __kmp_env_print_2() {
5829 
5830   kmp_env_blk_t block;
5831   kmp_str_buf_t buffer;
5832 
5833   __kmp_env_format = 1;
5834 
5835   __kmp_stg_init();
5836   __kmp_str_buf_init(&buffer);
5837 
5838   __kmp_env_blk_init(&block, NULL);
5839   __kmp_env_blk_sort(&block);
5840 
5841   __kmp_str_buf_print(&buffer, "\n%s\n", KMP_I18N_STR(DisplayEnvBegin));
5842   __kmp_str_buf_print(&buffer, "   _OPENMP='%d'\n", __kmp_openmp_version);
5843 
5844   for (int i = 0; i < __kmp_stg_count; ++i) {
5845     if (__kmp_stg_table[i].print != NULL &&
5846         ((__kmp_display_env &&
5847           strncmp(__kmp_stg_table[i].name, "OMP_", 4) == 0) ||
5848          __kmp_display_env_verbose)) {
5849       __kmp_stg_table[i].print(&buffer, __kmp_stg_table[i].name,
5850                                __kmp_stg_table[i].data);
5851     }
5852   }
5853 
5854   __kmp_str_buf_print(&buffer, "%s\n", KMP_I18N_STR(DisplayEnvEnd));
5855   __kmp_str_buf_print(&buffer, "\n");
5856 
5857   __kmp_printf("%s", buffer.str);
5858 
5859   __kmp_env_blk_free(&block);
5860   __kmp_str_buf_free(&buffer);
5861 
5862   __kmp_printf("\n");
5863 
5864 } // __kmp_env_print_2
5865 #endif // OMP_40_ENABLED
5866 
5867 // end of file
5868