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