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