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