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Commit | Line | Data |
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99dee823 | 1 | /* Copyright (C) 2005-2021 Free Software Foundation, Inc. |
953ff289 DN |
2 | Contributed by Richard Henderson <rth@redhat.com>. |
3 | ||
f1f3453e TS |
4 | This file is part of the GNU Offloading and Multi Processing Library |
5 | (libgomp). | |
953ff289 DN |
6 | |
7 | Libgomp is free software; you can redistribute it and/or modify it | |
748086b7 JJ |
8 | under the terms of the GNU General Public License as published by |
9 | the Free Software Foundation; either version 3, or (at your option) | |
10 | any later version. | |
953ff289 DN |
11 | |
12 | Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY | |
13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | |
748086b7 | 14 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
953ff289 DN |
15 | more details. |
16 | ||
748086b7 JJ |
17 | Under Section 7 of GPL version 3, you are granted additional |
18 | permissions described in the GCC Runtime Library Exception, version | |
19 | 3.1, as published by the Free Software Foundation. | |
953ff289 | 20 | |
748086b7 JJ |
21 | You should have received a copy of the GNU General Public License and |
22 | a copy of the GCC Runtime Library Exception along with this program; | |
23 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
24 | <http://www.gnu.org/licenses/>. */ | |
953ff289 | 25 | |
630e3c3a AM |
26 | /* This file defines the OpenMP internal control variables and arranges |
27 | for them to be initialized from environment variables at startup. */ | |
953ff289 | 28 | |
22f1a037 | 29 | #define _GNU_SOURCE |
953ff289 | 30 | #include "libgomp.h" |
630e3c3a AM |
31 | #include "gomp-constants.h" |
32 | #include <limits.h> | |
33 | #ifndef LIBGOMP_OFFLOADED_ONLY | |
953ff289 | 34 | #include "libgomp_f.h" |
41dbbb37 | 35 | #include "oacc-int.h" |
89b3e3cd | 36 | #include <ctype.h> |
953ff289 | 37 | #include <stdlib.h> |
acf0174b JJ |
38 | #include <stdio.h> |
39 | #ifdef HAVE_INTTYPES_H | |
40 | # include <inttypes.h> /* For PRIu64. */ | |
41 | #endif | |
a1b25e49 PG |
42 | #ifdef STRING_WITH_STRINGS |
43 | # include <string.h> | |
44 | # include <strings.h> | |
45 | #else | |
46 | # ifdef HAVE_STRING_H | |
47 | # include <string.h> | |
48 | # else | |
49 | # ifdef HAVE_STRINGS_H | |
50 | # include <strings.h> | |
51 | # endif | |
52 | # endif | |
53 | #endif | |
d0d1b24d | 54 | #include <errno.h> |
c4060df4 | 55 | #include "thread-stacksize.h" |
953ff289 | 56 | |
976e44e3 JJ |
57 | #ifndef HAVE_STRTOULL |
58 | # define strtoull(ptr, eptr, base) strtoul (ptr, eptr, base) | |
59 | #endif | |
630e3c3a AM |
60 | #endif /* LIBGOMP_OFFLOADED_ONLY */ |
61 | ||
22f1a037 TV |
62 | #include "secure_getenv.h" |
63 | ||
630e3c3a AM |
64 | struct gomp_task_icv gomp_global_icv = { |
65 | .nthreads_var = 1, | |
66 | .thread_limit_var = UINT_MAX, | |
67 | .run_sched_var = GFS_DYNAMIC, | |
68 | .run_sched_chunk_size = 1, | |
69 | .default_device_var = 0, | |
70 | .dyn_var = false, | |
6fae7eda | 71 | .max_active_levels_var = 1, |
630e3c3a AM |
72 | .bind_var = omp_proc_bind_false, |
73 | .target_data = NULL | |
74 | }; | |
75 | ||
630e3c3a | 76 | bool gomp_cancel_var = false; |
1bfc07d1 KCY |
77 | enum gomp_target_offload_t gomp_target_offload_var |
78 | = GOMP_TARGET_OFFLOAD_DEFAULT; | |
630e3c3a AM |
79 | int gomp_max_task_priority_var = 0; |
80 | #ifndef HAVE_SYNC_BUILTINS | |
81 | gomp_mutex_t gomp_managed_threads_lock; | |
82 | #endif | |
83 | unsigned long gomp_available_cpus = 1, gomp_managed_threads = 1; | |
84 | unsigned long long gomp_spin_count_var, gomp_throttled_spin_count_var; | |
85 | unsigned long *gomp_nthreads_var_list, gomp_nthreads_var_list_len; | |
86 | char *gomp_bind_var_list; | |
87 | unsigned long gomp_bind_var_list_len; | |
88 | void **gomp_places_list; | |
89 | unsigned long gomp_places_list_len; | |
800bcc8c | 90 | uintptr_t gomp_def_allocator = omp_default_mem_alloc; |
630e3c3a AM |
91 | int gomp_debug_var; |
92 | unsigned int gomp_num_teams_var; | |
07dd3bcd JJ |
93 | int gomp_nteams_var; |
94 | int gomp_teams_thread_limit_var; | |
28567c40 JJ |
95 | bool gomp_display_affinity_var; |
96 | char *gomp_affinity_format_var = "level %L thread %i affinity %A"; | |
97 | size_t gomp_affinity_format_len; | |
630e3c3a AM |
98 | char *goacc_device_type; |
99 | int goacc_device_num; | |
ec00d3fa | 100 | int goacc_default_dims[GOMP_DIM_MAX]; |
630e3c3a AM |
101 | |
102 | #ifndef LIBGOMP_OFFLOADED_ONLY | |
953ff289 | 103 | |
7123ae24 UD |
104 | static int wait_policy; |
105 | static unsigned long stacksize = GOMP_DEFAULT_STACKSIZE; | |
106 | ||
953ff289 DN |
107 | /* Parse the OMP_SCHEDULE environment variable. */ |
108 | ||
109 | static void | |
110 | parse_schedule (void) | |
111 | { | |
112 | char *env, *end; | |
6acf0b38 | 113 | unsigned long value; |
28567c40 | 114 | int monotonic = 0; |
953ff289 DN |
115 | |
116 | env = getenv ("OMP_SCHEDULE"); | |
117 | if (env == NULL) | |
118 | return; | |
119 | ||
89b3e3cd JJ |
120 | while (isspace ((unsigned char) *env)) |
121 | ++env; | |
28567c40 JJ |
122 | if (strncasecmp (env, "monotonic", 9) == 0) |
123 | { | |
124 | monotonic = 1; | |
125 | env += 9; | |
126 | } | |
127 | else if (strncasecmp (env, "nonmonotonic", 12) == 0) | |
128 | { | |
129 | monotonic = -1; | |
130 | env += 12; | |
131 | } | |
132 | if (monotonic) | |
133 | { | |
134 | while (isspace ((unsigned char) *env)) | |
135 | ++env; | |
136 | if (*env != ':') | |
137 | goto unknown; | |
138 | ++env; | |
139 | while (isspace ((unsigned char) *env)) | |
140 | ++env; | |
141 | } | |
89b3e3cd | 142 | if (strncasecmp (env, "static", 6) == 0) |
953ff289 | 143 | { |
a68ab351 | 144 | gomp_global_icv.run_sched_var = GFS_STATIC; |
953ff289 DN |
145 | env += 6; |
146 | } | |
89b3e3cd | 147 | else if (strncasecmp (env, "dynamic", 7) == 0) |
953ff289 | 148 | { |
a68ab351 | 149 | gomp_global_icv.run_sched_var = GFS_DYNAMIC; |
953ff289 DN |
150 | env += 7; |
151 | } | |
89b3e3cd | 152 | else if (strncasecmp (env, "guided", 6) == 0) |
953ff289 | 153 | { |
a68ab351 | 154 | gomp_global_icv.run_sched_var = GFS_GUIDED; |
953ff289 DN |
155 | env += 6; |
156 | } | |
a68ab351 JJ |
157 | else if (strncasecmp (env, "auto", 4) == 0) |
158 | { | |
159 | gomp_global_icv.run_sched_var = GFS_AUTO; | |
160 | env += 4; | |
161 | } | |
953ff289 DN |
162 | else |
163 | goto unknown; | |
164 | ||
28567c40 JJ |
165 | if (monotonic == 1 |
166 | || (monotonic == 0 && gomp_global_icv.run_sched_var == GFS_STATIC)) | |
167 | gomp_global_icv.run_sched_var |= GFS_MONOTONIC; | |
168 | ||
89b3e3cd JJ |
169 | while (isspace ((unsigned char) *env)) |
170 | ++env; | |
953ff289 | 171 | if (*env == '\0') |
fb79f500 | 172 | { |
d9a6bd32 | 173 | gomp_global_icv.run_sched_chunk_size |
28567c40 | 174 | = (gomp_global_icv.run_sched_var & ~GFS_MONOTONIC) != GFS_STATIC; |
fb79f500 JJ |
175 | return; |
176 | } | |
89b3e3cd | 177 | if (*env++ != ',') |
953ff289 | 178 | goto unknown; |
89b3e3cd JJ |
179 | while (isspace ((unsigned char) *env)) |
180 | ++env; | |
953ff289 | 181 | if (*env == '\0') |
953ff289 DN |
182 | goto invalid; |
183 | ||
6acf0b38 UB |
184 | errno = 0; |
185 | value = strtoul (env, &end, 10); | |
186 | if (errno) | |
187 | goto invalid; | |
188 | ||
89b3e3cd JJ |
189 | while (isspace ((unsigned char) *end)) |
190 | ++end; | |
953ff289 DN |
191 | if (*end != '\0') |
192 | goto invalid; | |
6acf0b38 | 193 | |
a68ab351 JJ |
194 | if ((int)value != value) |
195 | goto invalid; | |
196 | ||
28567c40 JJ |
197 | if (value == 0 |
198 | && (gomp_global_icv.run_sched_var & ~GFS_MONOTONIC) != GFS_STATIC) | |
fb79f500 | 199 | value = 1; |
d9a6bd32 | 200 | gomp_global_icv.run_sched_chunk_size = value; |
953ff289 DN |
201 | return; |
202 | ||
203 | unknown: | |
204 | gomp_error ("Unknown value for environment variable OMP_SCHEDULE"); | |
205 | return; | |
206 | ||
207 | invalid: | |
208 | gomp_error ("Invalid value for chunk size in " | |
209 | "environment variable OMP_SCHEDULE"); | |
953ff289 DN |
210 | return; |
211 | } | |
212 | ||
a68ab351 | 213 | /* Parse an unsigned long environment variable. Return true if one was |
22f1a037 TV |
214 | present and it was successfully parsed. If SECURE, use secure_getenv to the |
215 | environment variable. */ | |
953ff289 DN |
216 | |
217 | static bool | |
22f1a037 TV |
218 | parse_unsigned_long_1 (const char *name, unsigned long *pvalue, bool allow_zero, |
219 | bool secure) | |
953ff289 DN |
220 | { |
221 | char *env, *end; | |
d0d1b24d | 222 | unsigned long value; |
953ff289 | 223 | |
22f1a037 | 224 | env = (secure ? secure_getenv (name) : getenv (name)); |
953ff289 DN |
225 | if (env == NULL) |
226 | return false; | |
227 | ||
89b3e3cd JJ |
228 | while (isspace ((unsigned char) *env)) |
229 | ++env; | |
953ff289 DN |
230 | if (*env == '\0') |
231 | goto invalid; | |
232 | ||
6acf0b38 | 233 | errno = 0; |
d0d1b24d | 234 | value = strtoul (env, &end, 10); |
80f046cc | 235 | if (errno || (long) value <= 0 - allow_zero) |
6acf0b38 UB |
236 | goto invalid; |
237 | ||
89b3e3cd JJ |
238 | while (isspace ((unsigned char) *end)) |
239 | ++end; | |
953ff289 DN |
240 | if (*end != '\0') |
241 | goto invalid; | |
d0d1b24d RH |
242 | |
243 | *pvalue = value; | |
953ff289 DN |
244 | return true; |
245 | ||
246 | invalid: | |
d0d1b24d | 247 | gomp_error ("Invalid value for environment variable %s", name); |
953ff289 DN |
248 | return false; |
249 | } | |
250 | ||
22f1a037 TV |
251 | /* As parse_unsigned_long_1, but always use getenv. */ |
252 | ||
253 | static bool | |
254 | parse_unsigned_long (const char *name, unsigned long *pvalue, bool allow_zero) | |
255 | { | |
256 | return parse_unsigned_long_1 (name, pvalue, allow_zero, false); | |
257 | } | |
258 | ||
acf0174b | 259 | /* Parse a positive int environment variable. Return true if one was |
22f1a037 TV |
260 | present and it was successfully parsed. If SECURE, use secure_getenv to the |
261 | environment variable. */ | |
acf0174b JJ |
262 | |
263 | static bool | |
22f1a037 | 264 | parse_int_1 (const char *name, int *pvalue, bool allow_zero, bool secure) |
acf0174b JJ |
265 | { |
266 | unsigned long value; | |
22f1a037 | 267 | if (!parse_unsigned_long_1 (name, &value, allow_zero, secure)) |
acf0174b JJ |
268 | return false; |
269 | if (value > INT_MAX) | |
270 | { | |
271 | gomp_error ("Invalid value for environment variable %s", name); | |
272 | return false; | |
273 | } | |
274 | *pvalue = (int) value; | |
275 | return true; | |
276 | } | |
277 | ||
22f1a037 TV |
278 | /* As parse_int_1, but use getenv. */ |
279 | ||
280 | static bool | |
281 | parse_int (const char *name, int *pvalue, bool allow_zero) | |
282 | { | |
283 | return parse_int_1 (name, pvalue, allow_zero, false); | |
284 | } | |
285 | ||
286 | /* As parse_int_1, but use getenv_secure. */ | |
287 | ||
288 | static bool | |
289 | parse_int_secure (const char *name, int *pvalue, bool allow_zero) | |
290 | { | |
291 | return parse_int_1 (name, pvalue, allow_zero, true); | |
292 | } | |
293 | ||
20906c66 JJ |
294 | /* Parse an unsigned long list environment variable. Return true if one was |
295 | present and it was successfully parsed. */ | |
296 | ||
297 | static bool | |
298 | parse_unsigned_long_list (const char *name, unsigned long *p1stvalue, | |
299 | unsigned long **pvalues, | |
300 | unsigned long *pnvalues) | |
301 | { | |
302 | char *env, *end; | |
303 | unsigned long value, *values = NULL; | |
304 | ||
305 | env = getenv (name); | |
306 | if (env == NULL) | |
307 | return false; | |
308 | ||
309 | while (isspace ((unsigned char) *env)) | |
310 | ++env; | |
311 | if (*env == '\0') | |
312 | goto invalid; | |
313 | ||
314 | errno = 0; | |
315 | value = strtoul (env, &end, 10); | |
316 | if (errno || (long) value <= 0) | |
317 | goto invalid; | |
318 | ||
319 | while (isspace ((unsigned char) *end)) | |
320 | ++end; | |
321 | if (*end != '\0') | |
322 | { | |
323 | if (*end == ',') | |
324 | { | |
325 | unsigned long nvalues = 0, nalloced = 0; | |
326 | ||
327 | do | |
328 | { | |
329 | env = end + 1; | |
330 | if (nvalues == nalloced) | |
331 | { | |
332 | unsigned long *n; | |
333 | nalloced = nalloced ? nalloced * 2 : 16; | |
334 | n = realloc (values, nalloced * sizeof (unsigned long)); | |
335 | if (n == NULL) | |
336 | { | |
337 | free (values); | |
338 | gomp_error ("Out of memory while trying to parse" | |
339 | " environment variable %s", name); | |
340 | return false; | |
341 | } | |
342 | values = n; | |
343 | if (nvalues == 0) | |
344 | values[nvalues++] = value; | |
345 | } | |
346 | ||
347 | while (isspace ((unsigned char) *env)) | |
348 | ++env; | |
349 | if (*env == '\0') | |
350 | goto invalid; | |
351 | ||
352 | errno = 0; | |
353 | value = strtoul (env, &end, 10); | |
354 | if (errno || (long) value <= 0) | |
355 | goto invalid; | |
356 | ||
357 | values[nvalues++] = value; | |
358 | while (isspace ((unsigned char) *end)) | |
359 | ++end; | |
360 | if (*end == '\0') | |
361 | break; | |
362 | if (*end != ',') | |
363 | goto invalid; | |
364 | } | |
365 | while (1); | |
366 | *p1stvalue = values[0]; | |
367 | *pvalues = values; | |
368 | *pnvalues = nvalues; | |
369 | return true; | |
370 | } | |
371 | goto invalid; | |
372 | } | |
373 | ||
374 | *p1stvalue = value; | |
375 | return true; | |
376 | ||
377 | invalid: | |
378 | free (values); | |
379 | gomp_error ("Invalid value for environment variable %s", name); | |
380 | return false; | |
381 | } | |
382 | ||
1bfc07d1 KCY |
383 | static void |
384 | parse_target_offload (const char *name, enum gomp_target_offload_t *offload) | |
385 | { | |
386 | const char *env; | |
121a8812 | 387 | int new_offload = -1; |
1bfc07d1 KCY |
388 | |
389 | env = getenv (name); | |
390 | if (env == NULL) | |
391 | return; | |
392 | ||
393 | while (isspace ((unsigned char) *env)) | |
394 | ++env; | |
395 | if (strncasecmp (env, "default", 7) == 0) | |
396 | { | |
397 | env += 7; | |
1bfc07d1 KCY |
398 | new_offload = GOMP_TARGET_OFFLOAD_DEFAULT; |
399 | } | |
400 | else if (strncasecmp (env, "mandatory", 9) == 0) | |
401 | { | |
402 | env += 9; | |
1bfc07d1 KCY |
403 | new_offload = GOMP_TARGET_OFFLOAD_MANDATORY; |
404 | } | |
405 | else if (strncasecmp (env, "disabled", 8) == 0) | |
406 | { | |
407 | env += 8; | |
1bfc07d1 KCY |
408 | new_offload = GOMP_TARGET_OFFLOAD_DISABLED; |
409 | } | |
410 | while (isspace ((unsigned char) *env)) | |
411 | ++env; | |
121a8812 | 412 | if (new_offload != -1 && *env == '\0') |
1bfc07d1 KCY |
413 | { |
414 | *offload = new_offload; | |
415 | return; | |
416 | } | |
417 | ||
418 | gomp_error ("Invalid value for environment variable OMP_TARGET_OFFLOAD"); | |
419 | } | |
420 | ||
acf0174b JJ |
421 | /* Parse environment variable set to a boolean or list of omp_proc_bind_t |
422 | enum values. Return true if one was present and it was successfully | |
423 | parsed. */ | |
424 | ||
425 | static bool | |
426 | parse_bind_var (const char *name, char *p1stvalue, | |
427 | char **pvalues, unsigned long *pnvalues) | |
428 | { | |
429 | char *env; | |
c8673881 | 430 | char value = omp_proc_bind_false, *values = NULL; |
acf0174b JJ |
431 | int i; |
432 | static struct proc_bind_kinds | |
433 | { | |
434 | const char name[7]; | |
435 | const char len; | |
436 | omp_proc_bind_t kind; | |
437 | } kinds[] = | |
438 | { | |
439 | { "false", 5, omp_proc_bind_false }, | |
440 | { "true", 4, omp_proc_bind_true }, | |
441 | { "master", 6, omp_proc_bind_master }, | |
432de084 | 442 | { "primary", 7, omp_proc_bind_primary }, |
acf0174b JJ |
443 | { "close", 5, omp_proc_bind_close }, |
444 | { "spread", 6, omp_proc_bind_spread } | |
445 | }; | |
446 | ||
447 | env = getenv (name); | |
448 | if (env == NULL) | |
449 | return false; | |
450 | ||
451 | while (isspace ((unsigned char) *env)) | |
452 | ++env; | |
453 | if (*env == '\0') | |
454 | goto invalid; | |
455 | ||
432de084 | 456 | for (i = 0; i < 6; i++) |
acf0174b JJ |
457 | if (strncasecmp (env, kinds[i].name, kinds[i].len) == 0) |
458 | { | |
459 | value = kinds[i].kind; | |
460 | env += kinds[i].len; | |
461 | break; | |
462 | } | |
432de084 | 463 | if (i == 6) |
acf0174b JJ |
464 | goto invalid; |
465 | ||
466 | while (isspace ((unsigned char) *env)) | |
467 | ++env; | |
468 | if (*env != '\0') | |
469 | { | |
470 | if (*env == ',') | |
471 | { | |
472 | unsigned long nvalues = 0, nalloced = 0; | |
473 | ||
474 | if (value == omp_proc_bind_false | |
475 | || value == omp_proc_bind_true) | |
476 | goto invalid; | |
477 | ||
478 | do | |
479 | { | |
480 | env++; | |
481 | if (nvalues == nalloced) | |
482 | { | |
483 | char *n; | |
484 | nalloced = nalloced ? nalloced * 2 : 16; | |
485 | n = realloc (values, nalloced); | |
486 | if (n == NULL) | |
487 | { | |
488 | free (values); | |
489 | gomp_error ("Out of memory while trying to parse" | |
490 | " environment variable %s", name); | |
491 | return false; | |
492 | } | |
493 | values = n; | |
494 | if (nvalues == 0) | |
495 | values[nvalues++] = value; | |
496 | } | |
497 | ||
498 | while (isspace ((unsigned char) *env)) | |
499 | ++env; | |
500 | if (*env == '\0') | |
501 | goto invalid; | |
502 | ||
432de084 | 503 | for (i = 2; i < 6; i++) |
acf0174b JJ |
504 | if (strncasecmp (env, kinds[i].name, kinds[i].len) == 0) |
505 | { | |
506 | value = kinds[i].kind; | |
507 | env += kinds[i].len; | |
508 | break; | |
509 | } | |
432de084 | 510 | if (i == 6) |
acf0174b JJ |
511 | goto invalid; |
512 | ||
513 | values[nvalues++] = value; | |
514 | while (isspace ((unsigned char) *env)) | |
515 | ++env; | |
516 | if (*env == '\0') | |
517 | break; | |
518 | if (*env != ',') | |
519 | goto invalid; | |
520 | } | |
521 | while (1); | |
522 | *p1stvalue = values[0]; | |
523 | *pvalues = values; | |
524 | *pnvalues = nvalues; | |
525 | return true; | |
526 | } | |
527 | goto invalid; | |
528 | } | |
529 | ||
530 | *p1stvalue = value; | |
531 | return true; | |
532 | ||
533 | invalid: | |
534 | free (values); | |
535 | gomp_error ("Invalid value for environment variable %s", name); | |
536 | return false; | |
537 | } | |
538 | ||
539 | static bool | |
540 | parse_one_place (char **envp, bool *negatep, unsigned long *lenp, | |
541 | long *stridep) | |
542 | { | |
543 | char *env = *envp, *start; | |
544 | void *p = gomp_places_list ? gomp_places_list[gomp_places_list_len] : NULL; | |
545 | unsigned long len = 1; | |
546 | long stride = 1; | |
547 | int pass; | |
548 | bool any_negate = false; | |
549 | *negatep = false; | |
550 | while (isspace ((unsigned char) *env)) | |
551 | ++env; | |
552 | if (*env == '!') | |
553 | { | |
554 | *negatep = true; | |
555 | ++env; | |
556 | while (isspace ((unsigned char) *env)) | |
557 | ++env; | |
558 | } | |
559 | if (*env != '{') | |
560 | return false; | |
561 | ++env; | |
562 | while (isspace ((unsigned char) *env)) | |
563 | ++env; | |
564 | start = env; | |
565 | for (pass = 0; pass < (any_negate ? 2 : 1); pass++) | |
566 | { | |
567 | env = start; | |
568 | do | |
569 | { | |
570 | unsigned long this_num, this_len = 1; | |
571 | long this_stride = 1; | |
572 | bool this_negate = (*env == '!'); | |
573 | if (this_negate) | |
574 | { | |
575 | if (gomp_places_list) | |
576 | any_negate = true; | |
577 | ++env; | |
578 | while (isspace ((unsigned char) *env)) | |
579 | ++env; | |
580 | } | |
581 | ||
582 | errno = 0; | |
583 | this_num = strtoul (env, &env, 10); | |
584 | if (errno) | |
585 | return false; | |
586 | while (isspace ((unsigned char) *env)) | |
587 | ++env; | |
588 | if (*env == ':') | |
589 | { | |
590 | ++env; | |
591 | while (isspace ((unsigned char) *env)) | |
592 | ++env; | |
593 | errno = 0; | |
594 | this_len = strtoul (env, &env, 10); | |
595 | if (errno || this_len == 0) | |
596 | return false; | |
597 | while (isspace ((unsigned char) *env)) | |
598 | ++env; | |
599 | if (*env == ':') | |
600 | { | |
601 | ++env; | |
602 | while (isspace ((unsigned char) *env)) | |
603 | ++env; | |
604 | errno = 0; | |
605 | this_stride = strtol (env, &env, 10); | |
606 | if (errno) | |
607 | return false; | |
608 | while (isspace ((unsigned char) *env)) | |
609 | ++env; | |
610 | } | |
611 | } | |
612 | if (this_negate && this_len != 1) | |
613 | return false; | |
614 | if (gomp_places_list && pass == this_negate) | |
615 | { | |
616 | if (this_negate) | |
617 | { | |
618 | if (!gomp_affinity_remove_cpu (p, this_num)) | |
619 | return false; | |
620 | } | |
621 | else if (!gomp_affinity_add_cpus (p, this_num, this_len, | |
622 | this_stride, false)) | |
623 | return false; | |
624 | } | |
625 | if (*env == '}') | |
626 | break; | |
627 | if (*env != ',') | |
628 | return false; | |
629 | ++env; | |
630 | } | |
631 | while (1); | |
632 | } | |
633 | ||
634 | ++env; | |
635 | while (isspace ((unsigned char) *env)) | |
636 | ++env; | |
637 | if (*env == ':') | |
638 | { | |
639 | ++env; | |
640 | while (isspace ((unsigned char) *env)) | |
641 | ++env; | |
642 | errno = 0; | |
643 | len = strtoul (env, &env, 10); | |
644 | if (errno || len == 0 || len >= 65536) | |
645 | return false; | |
646 | while (isspace ((unsigned char) *env)) | |
647 | ++env; | |
648 | if (*env == ':') | |
649 | { | |
650 | ++env; | |
651 | while (isspace ((unsigned char) *env)) | |
652 | ++env; | |
653 | errno = 0; | |
654 | stride = strtol (env, &env, 10); | |
655 | if (errno) | |
656 | return false; | |
657 | while (isspace ((unsigned char) *env)) | |
658 | ++env; | |
659 | } | |
660 | } | |
661 | if (*negatep && len != 1) | |
662 | return false; | |
663 | *envp = env; | |
664 | *lenp = len; | |
665 | *stridep = stride; | |
666 | return true; | |
667 | } | |
668 | ||
669 | static bool | |
f89163fd | 670 | parse_places_var (const char *name, bool ignore) |
acf0174b JJ |
671 | { |
672 | char *env = getenv (name), *end; | |
673 | bool any_negate = false; | |
674 | int level = 0; | |
675 | unsigned long count = 0; | |
676 | if (env == NULL) | |
677 | return false; | |
678 | ||
679 | while (isspace ((unsigned char) *env)) | |
680 | ++env; | |
681 | if (*env == '\0') | |
682 | goto invalid; | |
683 | ||
684 | if (strncasecmp (env, "threads", 7) == 0) | |
685 | { | |
686 | env += 7; | |
687 | level = 1; | |
688 | } | |
689 | else if (strncasecmp (env, "cores", 5) == 0) | |
690 | { | |
691 | env += 5; | |
692 | level = 2; | |
693 | } | |
694 | else if (strncasecmp (env, "sockets", 7) == 0) | |
695 | { | |
696 | env += 7; | |
697 | level = 3; | |
698 | } | |
5809be05 JJ |
699 | else if (strncasecmp (env, "ll_caches", 9) == 0) |
700 | { | |
701 | env += 9; | |
702 | level = 4; | |
703 | } | |
e7ce32c7 JJ |
704 | else if (strncasecmp (env, "numa_domains", 12) == 0) |
705 | { | |
706 | env += 12; | |
707 | level = 5; | |
708 | } | |
acf0174b JJ |
709 | if (level) |
710 | { | |
711 | count = ULONG_MAX; | |
712 | while (isspace ((unsigned char) *env)) | |
713 | ++env; | |
714 | if (*env != '\0') | |
715 | { | |
716 | if (*env++ != '(') | |
717 | goto invalid; | |
718 | while (isspace ((unsigned char) *env)) | |
719 | ++env; | |
720 | ||
721 | errno = 0; | |
722 | count = strtoul (env, &end, 10); | |
723 | if (errno) | |
724 | goto invalid; | |
725 | env = end; | |
726 | while (isspace ((unsigned char) *env)) | |
727 | ++env; | |
728 | if (*env != ')') | |
729 | goto invalid; | |
730 | ++env; | |
731 | while (isspace ((unsigned char) *env)) | |
732 | ++env; | |
733 | if (*env != '\0') | |
734 | goto invalid; | |
735 | } | |
f89163fd JJ |
736 | |
737 | if (ignore) | |
738 | return false; | |
739 | ||
acf0174b JJ |
740 | return gomp_affinity_init_level (level, count, false); |
741 | } | |
742 | ||
743 | count = 0; | |
744 | end = env; | |
745 | do | |
746 | { | |
747 | bool negate; | |
748 | unsigned long len; | |
749 | long stride; | |
750 | if (!parse_one_place (&end, &negate, &len, &stride)) | |
751 | goto invalid; | |
752 | if (negate) | |
753 | { | |
754 | if (!any_negate) | |
755 | count++; | |
756 | any_negate = true; | |
757 | } | |
758 | else | |
759 | count += len; | |
760 | if (count > 65536) | |
761 | goto invalid; | |
762 | if (*end == '\0') | |
763 | break; | |
764 | if (*end != ',') | |
765 | goto invalid; | |
766 | end++; | |
767 | } | |
768 | while (1); | |
769 | ||
f89163fd | 770 | if (ignore) |
acf0174b JJ |
771 | return false; |
772 | ||
773 | gomp_places_list_len = 0; | |
774 | gomp_places_list = gomp_affinity_alloc (count, false); | |
775 | if (gomp_places_list == NULL) | |
776 | return false; | |
777 | ||
778 | do | |
779 | { | |
780 | bool negate; | |
781 | unsigned long len; | |
782 | long stride; | |
783 | gomp_affinity_init_place (gomp_places_list[gomp_places_list_len]); | |
784 | if (!parse_one_place (&env, &negate, &len, &stride)) | |
785 | goto invalid; | |
786 | if (negate) | |
787 | { | |
788 | void *p; | |
789 | for (count = 0; count < gomp_places_list_len; count++) | |
790 | if (gomp_affinity_same_place | |
791 | (gomp_places_list[count], | |
792 | gomp_places_list[gomp_places_list_len])) | |
793 | break; | |
794 | if (count == gomp_places_list_len) | |
795 | { | |
796 | gomp_error ("Trying to remove a non-existing place from list " | |
797 | "of places"); | |
798 | goto invalid; | |
799 | } | |
800 | p = gomp_places_list[count]; | |
801 | memmove (&gomp_places_list[count], | |
802 | &gomp_places_list[count + 1], | |
803 | (gomp_places_list_len - count - 1) * sizeof (void *)); | |
804 | --gomp_places_list_len; | |
805 | gomp_places_list[gomp_places_list_len] = p; | |
806 | } | |
807 | else if (len == 1) | |
808 | ++gomp_places_list_len; | |
809 | else | |
810 | { | |
811 | for (count = 0; count < len - 1; count++) | |
812 | if (!gomp_affinity_copy_place | |
813 | (gomp_places_list[gomp_places_list_len + count + 1], | |
814 | gomp_places_list[gomp_places_list_len + count], | |
815 | stride)) | |
816 | goto invalid; | |
817 | gomp_places_list_len += len; | |
818 | } | |
819 | if (*env == '\0') | |
820 | break; | |
821 | env++; | |
822 | } | |
823 | while (1); | |
824 | ||
825 | if (gomp_places_list_len == 0) | |
826 | { | |
827 | gomp_error ("All places have been removed"); | |
828 | goto invalid; | |
829 | } | |
830 | if (!gomp_affinity_finalize_place_list (false)) | |
831 | goto invalid; | |
832 | return true; | |
833 | ||
834 | invalid: | |
835 | free (gomp_places_list); | |
836 | gomp_places_list = NULL; | |
837 | gomp_places_list_len = 0; | |
838 | gomp_error ("Invalid value for environment variable %s", name); | |
839 | return false; | |
840 | } | |
841 | ||
a68ab351 JJ |
842 | /* Parse the OMP_STACKSIZE environment varible. Return true if one was |
843 | present and it was successfully parsed. */ | |
844 | ||
845 | static bool | |
846 | parse_stacksize (const char *name, unsigned long *pvalue) | |
847 | { | |
848 | char *env, *end; | |
849 | unsigned long value, shift = 10; | |
850 | ||
851 | env = getenv (name); | |
852 | if (env == NULL) | |
853 | return false; | |
854 | ||
855 | while (isspace ((unsigned char) *env)) | |
856 | ++env; | |
857 | if (*env == '\0') | |
858 | goto invalid; | |
859 | ||
860 | errno = 0; | |
861 | value = strtoul (env, &end, 10); | |
862 | if (errno) | |
863 | goto invalid; | |
864 | ||
865 | while (isspace ((unsigned char) *end)) | |
866 | ++end; | |
867 | if (*end != '\0') | |
868 | { | |
323ff903 | 869 | switch (tolower ((unsigned char) *end)) |
a68ab351 JJ |
870 | { |
871 | case 'b': | |
872 | shift = 0; | |
873 | break; | |
874 | case 'k': | |
875 | break; | |
876 | case 'm': | |
877 | shift = 20; | |
878 | break; | |
879 | case 'g': | |
880 | shift = 30; | |
881 | break; | |
882 | default: | |
883 | goto invalid; | |
884 | } | |
885 | ++end; | |
886 | while (isspace ((unsigned char) *end)) | |
887 | ++end; | |
888 | if (*end != '\0') | |
889 | goto invalid; | |
890 | } | |
891 | ||
892 | if (((value << shift) >> shift) != value) | |
893 | goto invalid; | |
894 | ||
895 | *pvalue = value << shift; | |
896 | return true; | |
897 | ||
898 | invalid: | |
899 | gomp_error ("Invalid value for environment variable %s", name); | |
900 | return false; | |
901 | } | |
902 | ||
903 | /* Parse the GOMP_SPINCOUNT environment varible. Return true if one was | |
904 | present and it was successfully parsed. */ | |
905 | ||
906 | static bool | |
907 | parse_spincount (const char *name, unsigned long long *pvalue) | |
908 | { | |
909 | char *env, *end; | |
910 | unsigned long long value, mult = 1; | |
911 | ||
912 | env = getenv (name); | |
913 | if (env == NULL) | |
914 | return false; | |
915 | ||
916 | while (isspace ((unsigned char) *env)) | |
917 | ++env; | |
918 | if (*env == '\0') | |
919 | goto invalid; | |
920 | ||
921 | if (strncasecmp (env, "infinite", 8) == 0 | |
922 | || strncasecmp (env, "infinity", 8) == 0) | |
923 | { | |
924 | value = ~0ULL; | |
925 | end = env + 8; | |
926 | goto check_tail; | |
927 | } | |
928 | ||
929 | errno = 0; | |
930 | value = strtoull (env, &end, 10); | |
931 | if (errno) | |
932 | goto invalid; | |
933 | ||
934 | while (isspace ((unsigned char) *end)) | |
935 | ++end; | |
936 | if (*end != '\0') | |
937 | { | |
323ff903 | 938 | switch (tolower ((unsigned char) *end)) |
a68ab351 JJ |
939 | { |
940 | case 'k': | |
941 | mult = 1000LL; | |
942 | break; | |
943 | case 'm': | |
944 | mult = 1000LL * 1000LL; | |
945 | break; | |
946 | case 'g': | |
947 | mult = 1000LL * 1000LL * 1000LL; | |
948 | break; | |
949 | case 't': | |
950 | mult = 1000LL * 1000LL * 1000LL * 1000LL; | |
951 | break; | |
952 | default: | |
953 | goto invalid; | |
954 | } | |
955 | ++end; | |
956 | check_tail: | |
957 | while (isspace ((unsigned char) *end)) | |
958 | ++end; | |
959 | if (*end != '\0') | |
960 | goto invalid; | |
961 | } | |
962 | ||
963 | if (value > ~0ULL / mult) | |
964 | value = ~0ULL; | |
965 | else | |
966 | value *= mult; | |
967 | ||
968 | *pvalue = value; | |
969 | return true; | |
970 | ||
971 | invalid: | |
972 | gomp_error ("Invalid value for environment variable %s", name); | |
973 | return false; | |
974 | } | |
975 | ||
976 | /* Parse a boolean value for environment variable NAME and store the | |
6fae7eda KCY |
977 | result in VALUE. Return true if one was present and it was |
978 | successfully parsed. */ | |
953ff289 | 979 | |
6fae7eda | 980 | static bool |
953ff289 DN |
981 | parse_boolean (const char *name, bool *value) |
982 | { | |
983 | const char *env; | |
984 | ||
985 | env = getenv (name); | |
986 | if (env == NULL) | |
6fae7eda | 987 | return false; |
953ff289 | 988 | |
89b3e3cd JJ |
989 | while (isspace ((unsigned char) *env)) |
990 | ++env; | |
991 | if (strncasecmp (env, "true", 4) == 0) | |
992 | { | |
993 | *value = true; | |
994 | env += 4; | |
995 | } | |
996 | else if (strncasecmp (env, "false", 5) == 0) | |
997 | { | |
998 | *value = false; | |
999 | env += 5; | |
1000 | } | |
953ff289 | 1001 | else |
89b3e3cd JJ |
1002 | env = "X"; |
1003 | while (isspace ((unsigned char) *env)) | |
1004 | ++env; | |
1005 | if (*env != '\0') | |
6fae7eda KCY |
1006 | { |
1007 | gomp_error ("Invalid value for environment variable %s", name); | |
1008 | return false; | |
1009 | } | |
1010 | return true; | |
953ff289 DN |
1011 | } |
1012 | ||
800bcc8c | 1013 | /* Parse the OMP_WAIT_POLICY environment variable and return the value. */ |
a68ab351 JJ |
1014 | |
1015 | static int | |
1016 | parse_wait_policy (void) | |
1017 | { | |
1018 | const char *env; | |
1019 | int ret = -1; | |
1020 | ||
1021 | env = getenv ("OMP_WAIT_POLICY"); | |
1022 | if (env == NULL) | |
1023 | return -1; | |
1024 | ||
1025 | while (isspace ((unsigned char) *env)) | |
1026 | ++env; | |
1027 | if (strncasecmp (env, "active", 6) == 0) | |
1028 | { | |
1029 | ret = 1; | |
1030 | env += 6; | |
1031 | } | |
1032 | else if (strncasecmp (env, "passive", 7) == 0) | |
1033 | { | |
1034 | ret = 0; | |
1035 | env += 7; | |
1036 | } | |
1037 | else | |
1038 | env = "X"; | |
1039 | while (isspace ((unsigned char) *env)) | |
1040 | ++env; | |
1041 | if (*env == '\0') | |
1042 | return ret; | |
1043 | gomp_error ("Invalid value for environment variable OMP_WAIT_POLICY"); | |
1044 | return -1; | |
1045 | } | |
1046 | ||
a0884cf0 JJ |
1047 | /* Parse the GOMP_CPU_AFFINITY environment varible. Return true if one was |
1048 | present and it was successfully parsed. */ | |
1049 | ||
1050 | static bool | |
f89163fd | 1051 | parse_affinity (bool ignore) |
a0884cf0 | 1052 | { |
acf0174b JJ |
1053 | char *env, *end, *start; |
1054 | int pass; | |
a0884cf0 | 1055 | unsigned long cpu_beg, cpu_end, cpu_stride; |
acf0174b | 1056 | size_t count = 0, needed; |
a0884cf0 JJ |
1057 | |
1058 | env = getenv ("GOMP_CPU_AFFINITY"); | |
1059 | if (env == NULL) | |
1060 | return false; | |
1061 | ||
acf0174b JJ |
1062 | start = env; |
1063 | for (pass = 0; pass < 2; pass++) | |
a0884cf0 | 1064 | { |
acf0174b JJ |
1065 | env = start; |
1066 | if (pass == 1) | |
a0884cf0 | 1067 | { |
f89163fd JJ |
1068 | if (ignore) |
1069 | return false; | |
1070 | ||
acf0174b JJ |
1071 | gomp_places_list_len = 0; |
1072 | gomp_places_list = gomp_affinity_alloc (count, true); | |
1073 | if (gomp_places_list == NULL) | |
1074 | return false; | |
1075 | } | |
1076 | do | |
1077 | { | |
1078 | while (isspace ((unsigned char) *env)) | |
1079 | ++env; | |
1080 | ||
1081 | errno = 0; | |
1082 | cpu_beg = strtoul (env, &end, 0); | |
1083 | if (errno || cpu_beg >= 65536) | |
a0884cf0 | 1084 | goto invalid; |
acf0174b JJ |
1085 | cpu_end = cpu_beg; |
1086 | cpu_stride = 1; | |
a0884cf0 JJ |
1087 | |
1088 | env = end; | |
acf0174b | 1089 | if (*env == '-') |
a0884cf0 | 1090 | { |
acf0174b JJ |
1091 | errno = 0; |
1092 | cpu_end = strtoul (++env, &end, 0); | |
1093 | if (errno || cpu_end >= 65536 || cpu_end < cpu_beg) | |
a0884cf0 JJ |
1094 | goto invalid; |
1095 | ||
1096 | env = end; | |
acf0174b JJ |
1097 | if (*env == ':') |
1098 | { | |
1099 | errno = 0; | |
1100 | cpu_stride = strtoul (++env, &end, 0); | |
1101 | if (errno || cpu_stride == 0 || cpu_stride >= 65536) | |
1102 | goto invalid; | |
a0884cf0 | 1103 | |
acf0174b JJ |
1104 | env = end; |
1105 | } | |
1106 | } | |
a0884cf0 | 1107 | |
acf0174b JJ |
1108 | needed = (cpu_end - cpu_beg) / cpu_stride + 1; |
1109 | if (pass == 0) | |
1110 | count += needed; | |
a0884cf0 | 1111 | else |
a0884cf0 | 1112 | { |
acf0174b JJ |
1113 | while (needed--) |
1114 | { | |
1115 | void *p = gomp_places_list[gomp_places_list_len]; | |
1116 | gomp_affinity_init_place (p); | |
1117 | if (gomp_affinity_add_cpus (p, cpu_beg, 1, 0, true)) | |
1118 | ++gomp_places_list_len; | |
1119 | cpu_beg += cpu_stride; | |
1120 | } | |
a0884cf0 JJ |
1121 | } |
1122 | ||
acf0174b JJ |
1123 | while (isspace ((unsigned char) *env)) |
1124 | ++env; | |
a0884cf0 | 1125 | |
acf0174b JJ |
1126 | if (*env == ',') |
1127 | env++; | |
1128 | else if (*env == '\0') | |
1129 | break; | |
a0884cf0 | 1130 | } |
acf0174b | 1131 | while (1); |
a0884cf0 | 1132 | } |
a0884cf0 | 1133 | |
acf0174b JJ |
1134 | if (gomp_places_list_len == 0) |
1135 | { | |
1136 | free (gomp_places_list); | |
1137 | gomp_places_list = NULL; | |
f89163fd | 1138 | return false; |
acf0174b | 1139 | } |
a0884cf0 JJ |
1140 | return true; |
1141 | ||
1142 | invalid: | |
1143 | gomp_error ("Invalid value for enviroment variable GOMP_CPU_AFFINITY"); | |
1144 | return false; | |
1145 | } | |
1146 | ||
800bcc8c JJ |
1147 | /* Parse the OMP_ALLOCATOR environment variable and return the value. */ |
1148 | ||
1149 | static uintptr_t | |
1150 | parse_allocator (void) | |
1151 | { | |
1152 | const char *env; | |
1153 | uintptr_t ret = omp_default_mem_alloc; | |
1154 | ||
1155 | env = getenv ("OMP_ALLOCATOR"); | |
1156 | if (env == NULL) | |
1157 | return ret; | |
1158 | ||
1159 | while (isspace ((unsigned char) *env)) | |
1160 | ++env; | |
1161 | if (0) | |
1162 | ; | |
1163 | #define C(v) \ | |
1164 | else if (strncasecmp (env, #v, sizeof (#v) - 1) == 0) \ | |
1165 | { \ | |
1166 | ret = v; \ | |
1167 | env += sizeof (#v) - 1; \ | |
1168 | } | |
1169 | C (omp_default_mem_alloc) | |
1170 | C (omp_large_cap_mem_alloc) | |
1171 | C (omp_const_mem_alloc) | |
1172 | C (omp_high_bw_mem_alloc) | |
1173 | C (omp_low_lat_mem_alloc) | |
1174 | C (omp_cgroup_mem_alloc) | |
1175 | C (omp_pteam_mem_alloc) | |
1176 | C (omp_thread_mem_alloc) | |
1177 | #undef C | |
1178 | else | |
1179 | env = "X"; | |
1180 | while (isspace ((unsigned char) *env)) | |
1181 | ++env; | |
1182 | if (*env == '\0') | |
1183 | return ret; | |
1184 | gomp_error ("Invalid value for environment variable OMP_ALLOCATOR"); | |
1185 | return omp_default_mem_alloc; | |
1186 | } | |
1187 | ||
41dbbb37 TS |
1188 | static void |
1189 | parse_acc_device_type (void) | |
1190 | { | |
1191 | const char *env = getenv ("ACC_DEVICE_TYPE"); | |
1192 | ||
1193 | if (env && *env != '\0') | |
1194 | goacc_device_type = strdup (env); | |
1195 | else | |
1196 | goacc_device_type = NULL; | |
1197 | } | |
acf0174b | 1198 | |
ec00d3fa TV |
1199 | static void |
1200 | parse_gomp_openacc_dim (void) | |
1201 | { | |
1202 | /* The syntax is the same as for the -fopenacc-dim compilation option. */ | |
1203 | const char *var_name = "GOMP_OPENACC_DIM"; | |
1204 | const char *env_var = getenv (var_name); | |
1205 | if (!env_var) | |
1206 | return; | |
1207 | ||
1208 | const char *pos = env_var; | |
1209 | int i; | |
1210 | for (i = 0; *pos && i != GOMP_DIM_MAX; i++) | |
1211 | { | |
1212 | if (i && *pos++ != ':') | |
1213 | break; | |
1214 | ||
1215 | if (*pos == ':') | |
1216 | continue; | |
1217 | ||
1218 | const char *eptr; | |
1219 | errno = 0; | |
1220 | long val = strtol (pos, (char **)&eptr, 10); | |
1221 | if (errno || val < 0 || (unsigned)val != val) | |
1222 | break; | |
1223 | ||
1224 | goacc_default_dims[i] = (int)val; | |
1225 | pos = eptr; | |
1226 | } | |
1227 | } | |
1228 | ||
7123ae24 UD |
1229 | void |
1230 | omp_display_env (int verbose) | |
acf0174b | 1231 | { |
acf0174b JJ |
1232 | int i; |
1233 | ||
acf0174b JJ |
1234 | fputs ("\nOPENMP DISPLAY ENVIRONMENT BEGIN\n", stderr); |
1235 | ||
d9a6bd32 | 1236 | fputs (" _OPENMP = '201511'\n", stderr); |
acf0174b JJ |
1237 | fprintf (stderr, " OMP_DYNAMIC = '%s'\n", |
1238 | gomp_global_icv.dyn_var ? "TRUE" : "FALSE"); | |
1239 | fprintf (stderr, " OMP_NESTED = '%s'\n", | |
6fae7eda | 1240 | gomp_global_icv.max_active_levels_var > 1 ? "TRUE" : "FALSE"); |
acf0174b JJ |
1241 | |
1242 | fprintf (stderr, " OMP_NUM_THREADS = '%lu", gomp_global_icv.nthreads_var); | |
1243 | for (i = 1; i < gomp_nthreads_var_list_len; i++) | |
1244 | fprintf (stderr, ",%lu", gomp_nthreads_var_list[i]); | |
1245 | fputs ("'\n", stderr); | |
1246 | ||
1247 | fprintf (stderr, " OMP_SCHEDULE = '"); | |
28567c40 JJ |
1248 | if ((gomp_global_icv.run_sched_var & GFS_MONOTONIC)) |
1249 | { | |
1250 | if (gomp_global_icv.run_sched_var != (GFS_MONOTONIC | GFS_STATIC)) | |
1251 | fputs ("MONOTONIC:", stderr); | |
1252 | } | |
1253 | else if (gomp_global_icv.run_sched_var == GFS_STATIC) | |
1254 | fputs ("NONMONOTONIC:", stderr); | |
1255 | switch (gomp_global_icv.run_sched_var & ~GFS_MONOTONIC) | |
acf0174b JJ |
1256 | { |
1257 | case GFS_RUNTIME: | |
1258 | fputs ("RUNTIME", stderr); | |
28567c40 JJ |
1259 | if (gomp_global_icv.run_sched_chunk_size != 1) |
1260 | fprintf (stderr, ",%d", gomp_global_icv.run_sched_chunk_size); | |
acf0174b JJ |
1261 | break; |
1262 | case GFS_STATIC: | |
1263 | fputs ("STATIC", stderr); | |
28567c40 JJ |
1264 | if (gomp_global_icv.run_sched_chunk_size != 0) |
1265 | fprintf (stderr, ",%d", gomp_global_icv.run_sched_chunk_size); | |
acf0174b JJ |
1266 | break; |
1267 | case GFS_DYNAMIC: | |
1268 | fputs ("DYNAMIC", stderr); | |
28567c40 JJ |
1269 | if (gomp_global_icv.run_sched_chunk_size != 1) |
1270 | fprintf (stderr, ",%d", gomp_global_icv.run_sched_chunk_size); | |
acf0174b JJ |
1271 | break; |
1272 | case GFS_GUIDED: | |
1273 | fputs ("GUIDED", stderr); | |
28567c40 JJ |
1274 | if (gomp_global_icv.run_sched_chunk_size != 1) |
1275 | fprintf (stderr, ",%d", gomp_global_icv.run_sched_chunk_size); | |
acf0174b JJ |
1276 | break; |
1277 | case GFS_AUTO: | |
1278 | fputs ("AUTO", stderr); | |
1279 | break; | |
1280 | } | |
1281 | fputs ("'\n", stderr); | |
1282 | ||
1283 | fputs (" OMP_PROC_BIND = '", stderr); | |
1284 | switch (gomp_global_icv.bind_var) | |
1285 | { | |
1286 | case omp_proc_bind_false: | |
1287 | fputs ("FALSE", stderr); | |
1288 | break; | |
1289 | case omp_proc_bind_true: | |
1290 | fputs ("TRUE", stderr); | |
1291 | break; | |
1292 | case omp_proc_bind_master: | |
432de084 | 1293 | fputs ("MASTER", stderr); /* TODO: Change to PRIMARY for OpenMP 5.1. */ |
acf0174b JJ |
1294 | break; |
1295 | case omp_proc_bind_close: | |
1296 | fputs ("CLOSE", stderr); | |
1297 | break; | |
1298 | case omp_proc_bind_spread: | |
1299 | fputs ("SPREAD", stderr); | |
1300 | break; | |
1301 | } | |
1302 | for (i = 1; i < gomp_bind_var_list_len; i++) | |
1303 | switch (gomp_bind_var_list[i]) | |
1304 | { | |
1305 | case omp_proc_bind_master: | |
432de084 | 1306 | fputs (",MASTER", stderr); /* TODO: Change to PRIMARY for OpenMP 5.1. */ |
acf0174b JJ |
1307 | break; |
1308 | case omp_proc_bind_close: | |
1309 | fputs (",CLOSE", stderr); | |
1310 | break; | |
1311 | case omp_proc_bind_spread: | |
1312 | fputs (",SPREAD", stderr); | |
1313 | break; | |
1314 | } | |
1315 | fputs ("'\n", stderr); | |
1316 | fputs (" OMP_PLACES = '", stderr); | |
1317 | for (i = 0; i < gomp_places_list_len; i++) | |
1318 | { | |
1319 | fputs ("{", stderr); | |
1320 | gomp_affinity_print_place (gomp_places_list[i]); | |
1321 | fputs (i + 1 == gomp_places_list_len ? "}" : "},", stderr); | |
1322 | } | |
1323 | fputs ("'\n", stderr); | |
1324 | ||
1325 | fprintf (stderr, " OMP_STACKSIZE = '%lu'\n", stacksize); | |
1326 | ||
1327 | /* GOMP's default value is actually neither active nor passive. */ | |
1328 | fprintf (stderr, " OMP_WAIT_POLICY = '%s'\n", | |
1329 | wait_policy > 0 ? "ACTIVE" : "PASSIVE"); | |
1330 | fprintf (stderr, " OMP_THREAD_LIMIT = '%u'\n", | |
1331 | gomp_global_icv.thread_limit_var); | |
6fae7eda KCY |
1332 | fprintf (stderr, " OMP_MAX_ACTIVE_LEVELS = '%u'\n", |
1333 | gomp_global_icv.max_active_levels_var); | |
07dd3bcd JJ |
1334 | fprintf (stderr, " OMP_NUM_TEAMS = '%u'\n", gomp_nteams_var); |
1335 | fprintf (stderr, " OMP_TEAMS_THREAD_LIMIT = '%u'\n", | |
1336 | gomp_teams_thread_limit_var); | |
acf0174b JJ |
1337 | |
1338 | fprintf (stderr, " OMP_CANCELLATION = '%s'\n", | |
1339 | gomp_cancel_var ? "TRUE" : "FALSE"); | |
1340 | fprintf (stderr, " OMP_DEFAULT_DEVICE = '%d'\n", | |
1341 | gomp_global_icv.default_device_var); | |
d9a6bd32 JJ |
1342 | fprintf (stderr, " OMP_MAX_TASK_PRIORITY = '%d'\n", |
1343 | gomp_max_task_priority_var); | |
28567c40 JJ |
1344 | fprintf (stderr, " OMP_DISPLAY_AFFINITY = '%s'\n", |
1345 | gomp_display_affinity_var ? "TRUE" : "FALSE"); | |
1346 | fprintf (stderr, " OMP_AFFINITY_FORMAT = '%s'\n", | |
1347 | gomp_affinity_format_var); | |
800bcc8c JJ |
1348 | fprintf (stderr, " OMP_ALLOCATOR = '"); |
1349 | switch (gomp_def_allocator) | |
1350 | { | |
1351 | #define C(v) case v: fputs (#v, stderr); break; | |
1352 | C (omp_default_mem_alloc) | |
1353 | C (omp_large_cap_mem_alloc) | |
1354 | C (omp_const_mem_alloc) | |
1355 | C (omp_high_bw_mem_alloc) | |
1356 | C (omp_low_lat_mem_alloc) | |
1357 | C (omp_cgroup_mem_alloc) | |
1358 | C (omp_pteam_mem_alloc) | |
1359 | C (omp_thread_mem_alloc) | |
1360 | #undef C | |
1361 | default: break; | |
1362 | } | |
1363 | fputs ("'\n", stderr); | |
acf0174b | 1364 | |
1bfc07d1 KCY |
1365 | fputs (" OMP_TARGET_OFFLOAD = '", stderr); |
1366 | switch (gomp_target_offload_var) | |
1367 | { | |
1368 | case GOMP_TARGET_OFFLOAD_DEFAULT: | |
1369 | fputs ("DEFAULT", stderr); | |
1370 | break; | |
1371 | case GOMP_TARGET_OFFLOAD_MANDATORY: | |
1372 | fputs ("MANDATORY", stderr); | |
1373 | break; | |
1374 | case GOMP_TARGET_OFFLOAD_DISABLED: | |
1375 | fputs ("DISABLED", stderr); | |
1376 | break; | |
1377 | } | |
1378 | fputs ("'\n", stderr); | |
1379 | ||
acf0174b JJ |
1380 | if (verbose) |
1381 | { | |
1382 | fputs (" GOMP_CPU_AFFINITY = ''\n", stderr); | |
1383 | fprintf (stderr, " GOMP_STACKSIZE = '%lu'\n", stacksize); | |
1384 | #ifdef HAVE_INTTYPES_H | |
1385 | fprintf (stderr, " GOMP_SPINCOUNT = '%"PRIu64"'\n", | |
1386 | (uint64_t) gomp_spin_count_var); | |
1387 | #else | |
1388 | fprintf (stderr, " GOMP_SPINCOUNT = '%lu'\n", | |
1389 | (unsigned long) gomp_spin_count_var); | |
1390 | #endif | |
1391 | } | |
1392 | ||
1393 | fputs ("OPENMP DISPLAY ENVIRONMENT END\n", stderr); | |
1394 | } | |
7123ae24 UD |
1395 | ialias (omp_display_env) |
1396 | ||
1397 | static void | |
1398 | handle_omp_display_env (void) | |
1399 | { | |
1400 | const char *env; | |
1401 | bool display = false; | |
1402 | bool verbose = false; | |
1403 | ||
1404 | env = getenv ("OMP_DISPLAY_ENV"); | |
1405 | if (env == NULL) | |
1406 | return; | |
1407 | ||
1408 | while (isspace ((unsigned char) *env)) | |
1409 | ++env; | |
1410 | if (strncasecmp (env, "true", 4) == 0) | |
1411 | { | |
1412 | display = true; | |
1413 | env += 4; | |
1414 | } | |
1415 | else if (strncasecmp (env, "false", 5) == 0) | |
1416 | { | |
1417 | display = false; | |
1418 | env += 5; | |
1419 | } | |
1420 | else if (strncasecmp (env, "verbose", 7) == 0) | |
1421 | { | |
1422 | display = true; | |
1423 | verbose = true; | |
1424 | env += 7; | |
1425 | } | |
1426 | else | |
1427 | env = "X"; | |
1428 | while (isspace ((unsigned char) *env)) | |
1429 | ++env; | |
1430 | if (*env != '\0') | |
1431 | gomp_error ("Invalid value for environment variable OMP_DISPLAY_ENV"); | |
1432 | ||
1433 | if (display) | |
3749c3af | 1434 | ialias_call (omp_display_env) (verbose); |
7123ae24 | 1435 | } |
acf0174b JJ |
1436 | |
1437 | ||
953ff289 DN |
1438 | static void __attribute__((constructor)) |
1439 | initialize_env (void) | |
1440 | { | |
7123ae24 | 1441 | unsigned long thread_limit_var; |
6fae7eda | 1442 | unsigned long max_active_levels_var; |
d0d1b24d | 1443 | |
953ff289 DN |
1444 | /* Do a compile time check that mkomp_h.pl did good job. */ |
1445 | omp_check_defines (); | |
1446 | ||
1447 | parse_schedule (); | |
a68ab351 | 1448 | parse_boolean ("OMP_DYNAMIC", &gomp_global_icv.dyn_var); |
acf0174b | 1449 | parse_boolean ("OMP_CANCELLATION", &gomp_cancel_var); |
28567c40 | 1450 | parse_boolean ("OMP_DISPLAY_AFFINITY", &gomp_display_affinity_var); |
acf0174b | 1451 | parse_int ("OMP_DEFAULT_DEVICE", &gomp_global_icv.default_device_var, true); |
1bfc07d1 | 1452 | parse_target_offload ("OMP_TARGET_OFFLOAD", &gomp_target_offload_var); |
d9a6bd32 | 1453 | parse_int ("OMP_MAX_TASK_PRIORITY", &gomp_max_task_priority_var, true); |
800bcc8c | 1454 | gomp_def_allocator = parse_allocator (); |
acf0174b JJ |
1455 | if (parse_unsigned_long ("OMP_THREAD_LIMIT", &thread_limit_var, false)) |
1456 | { | |
1457 | gomp_global_icv.thread_limit_var | |
1458 | = thread_limit_var > INT_MAX ? UINT_MAX : thread_limit_var; | |
1459 | } | |
22f1a037 | 1460 | parse_int_secure ("GOMP_DEBUG", &gomp_debug_var, true); |
a68ab351 | 1461 | #ifndef HAVE_SYNC_BUILTINS |
acf0174b | 1462 | gomp_mutex_init (&gomp_managed_threads_lock); |
a68ab351 | 1463 | #endif |
a68ab351 JJ |
1464 | gomp_init_num_threads (); |
1465 | gomp_available_cpus = gomp_global_icv.nthreads_var; | |
20906c66 JJ |
1466 | if (!parse_unsigned_long_list ("OMP_NUM_THREADS", |
1467 | &gomp_global_icv.nthreads_var, | |
1468 | &gomp_nthreads_var_list, | |
1469 | &gomp_nthreads_var_list_len)) | |
a68ab351 | 1470 | gomp_global_icv.nthreads_var = gomp_available_cpus; |
07dd3bcd JJ |
1471 | parse_int ("OMP_NUM_TEAMS", &gomp_nteams_var, false); |
1472 | parse_int ("OMP_TEAMS_THREAD_LIMIT", &gomp_teams_thread_limit_var, false); | |
f89163fd JJ |
1473 | bool ignore = false; |
1474 | if (parse_bind_var ("OMP_PROC_BIND", | |
1475 | &gomp_global_icv.bind_var, | |
1476 | &gomp_bind_var_list, | |
1477 | &gomp_bind_var_list_len) | |
1478 | && gomp_global_icv.bind_var == omp_proc_bind_false) | |
1479 | ignore = true; | |
6fae7eda KCY |
1480 | if (parse_unsigned_long ("OMP_MAX_ACTIVE_LEVELS", |
1481 | &max_active_levels_var, true)) | |
1482 | gomp_global_icv.max_active_levels_var | |
1483 | = (max_active_levels_var > gomp_supported_active_levels) | |
1484 | ? gomp_supported_active_levels : max_active_levels_var; | |
1485 | else | |
1486 | { | |
1487 | bool nested = true; | |
1488 | ||
1489 | /* OMP_NESTED is deprecated in OpenMP 5.0. */ | |
1490 | if (parse_boolean ("OMP_NESTED", &nested)) | |
1491 | gomp_global_icv.max_active_levels_var | |
1492 | = nested ? gomp_supported_active_levels : 1; | |
1493 | else if (gomp_nthreads_var_list_len > 1 || gomp_bind_var_list_len > 1) | |
1494 | gomp_global_icv.max_active_levels_var = gomp_supported_active_levels; | |
1495 | } | |
f89163fd JJ |
1496 | /* Make sure OMP_PLACES and GOMP_CPU_AFFINITY env vars are always |
1497 | parsed if present in the environment. If OMP_PROC_BIND was set | |
93d90219 | 1498 | explicitly to false, don't populate places list though. If places |
f89163fd JJ |
1499 | list was successfully set from OMP_PLACES, only parse but don't process |
1500 | GOMP_CPU_AFFINITY. If OMP_PROC_BIND was not set in the environment, | |
1501 | default to OMP_PROC_BIND=true if OMP_PLACES or GOMP_CPU_AFFINITY | |
1502 | was successfully parsed into a places list, otherwise to | |
1503 | OMP_PROC_BIND=false. */ | |
1504 | if (parse_places_var ("OMP_PLACES", ignore)) | |
1505 | { | |
1506 | if (gomp_global_icv.bind_var == omp_proc_bind_false) | |
1507 | gomp_global_icv.bind_var = true; | |
1508 | ignore = true; | |
1509 | } | |
1510 | if (parse_affinity (ignore)) | |
1511 | { | |
1512 | if (gomp_global_icv.bind_var == omp_proc_bind_false) | |
1513 | gomp_global_icv.bind_var = true; | |
1514 | ignore = true; | |
1515 | } | |
1516 | if (gomp_global_icv.bind_var != omp_proc_bind_false) | |
a0884cf0 | 1517 | gomp_init_affinity (); |
28567c40 JJ |
1518 | |
1519 | { | |
1520 | const char *env = getenv ("OMP_AFFINITY_FORMAT"); | |
1521 | if (env != NULL) | |
1522 | gomp_set_affinity_format (env, strlen (env)); | |
1523 | } | |
1524 | ||
a68ab351 JJ |
1525 | wait_policy = parse_wait_policy (); |
1526 | if (!parse_spincount ("GOMP_SPINCOUNT", &gomp_spin_count_var)) | |
1527 | { | |
1528 | /* Using a rough estimation of 100000 spins per msec, | |
1529 | use 5 min blocking for OMP_WAIT_POLICY=active, | |
4c698cf8 | 1530 | 3 msec blocking when OMP_WAIT_POLICY is not specificed |
a68ab351 JJ |
1531 | and 0 when OMP_WAIT_POLICY=passive. |
1532 | Depending on the CPU speed, this can be e.g. 5 times longer | |
1533 | or 5 times shorter. */ | |
1534 | if (wait_policy > 0) | |
1535 | gomp_spin_count_var = 30000000000LL; | |
1536 | else if (wait_policy < 0) | |
4c698cf8 | 1537 | gomp_spin_count_var = 300000LL; |
a68ab351 JJ |
1538 | } |
1539 | /* gomp_throttled_spin_count_var is used when there are more libgomp | |
1540 | managed threads than available CPUs. Use very short spinning. */ | |
1541 | if (wait_policy > 0) | |
1542 | gomp_throttled_spin_count_var = 1000LL; | |
1543 | else if (wait_policy < 0) | |
1544 | gomp_throttled_spin_count_var = 100LL; | |
1545 | if (gomp_throttled_spin_count_var > gomp_spin_count_var) | |
1546 | gomp_throttled_spin_count_var = gomp_spin_count_var; | |
d0d1b24d RH |
1547 | |
1548 | /* Not strictly environment related, but ordering constructors is tricky. */ | |
1549 | pthread_attr_init (&gomp_thread_attr); | |
d0d1b24d | 1550 | |
a68ab351 | 1551 | if (parse_stacksize ("OMP_STACKSIZE", &stacksize) |
c4060df4 JJ |
1552 | || parse_stacksize ("GOMP_STACKSIZE", &stacksize) |
1553 | || GOMP_DEFAULT_STACKSIZE) | |
d0d1b24d | 1554 | { |
c3b11a40 RH |
1555 | int err; |
1556 | ||
c3b11a40 RH |
1557 | err = pthread_attr_setstacksize (&gomp_thread_attr, stacksize); |
1558 | ||
1559 | #ifdef PTHREAD_STACK_MIN | |
1560 | if (err == EINVAL) | |
d0d1b24d | 1561 | { |
c3b11a40 RH |
1562 | if (stacksize < PTHREAD_STACK_MIN) |
1563 | gomp_error ("Stack size less than minimum of %luk", | |
1564 | PTHREAD_STACK_MIN / 1024ul | |
1565 | + (PTHREAD_STACK_MIN % 1024 != 0)); | |
1566 | else | |
d0d1b24d | 1567 | gomp_error ("Stack size larger than system limit"); |
d0d1b24d | 1568 | } |
c3b11a40 RH |
1569 | else |
1570 | #endif | |
1571 | if (err != 0) | |
1572 | gomp_error ("Stack size change failed: %s", strerror (err)); | |
d0d1b24d | 1573 | } |
acf0174b | 1574 | |
7123ae24 | 1575 | handle_omp_display_env (); |
41dbbb37 TS |
1576 | |
1577 | /* OpenACC. */ | |
1578 | ||
1579 | if (!parse_int ("ACC_DEVICE_NUM", &goacc_device_num, true)) | |
1580 | goacc_device_num = 0; | |
1581 | ||
1582 | parse_acc_device_type (); | |
ec00d3fa | 1583 | parse_gomp_openacc_dim (); |
41dbbb37 TS |
1584 | |
1585 | goacc_runtime_initialize (); | |
5fae049d TS |
1586 | |
1587 | goacc_profiling_initialize (); | |
953ff289 | 1588 | } |
630e3c3a | 1589 | #endif /* LIBGOMP_OFFLOADED_ONLY */ |