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