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Commit | Line | Data |
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818ab71a | 1 | /* Copyright (C) 2005-2016 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 | |
6103184e AM |
26 | /* This file arranges for OpenMP internal control variables to be initialized |
27 | from environment variables at startup. */ | |
953ff289 DN |
28 | |
29 | #include "libgomp.h" | |
30 | #include "libgomp_f.h" | |
41dbbb37 | 31 | #include "oacc-int.h" |
d9a6bd32 | 32 | #include "gomp-constants.h" |
89b3e3cd | 33 | #include <ctype.h> |
953ff289 | 34 | #include <stdlib.h> |
acf0174b JJ |
35 | #include <stdio.h> |
36 | #ifdef HAVE_INTTYPES_H | |
37 | # include <inttypes.h> /* For PRIu64. */ | |
38 | #endif | |
a1b25e49 PG |
39 | #ifdef STRING_WITH_STRINGS |
40 | # include <string.h> | |
41 | # include <strings.h> | |
42 | #else | |
43 | # ifdef HAVE_STRING_H | |
44 | # include <string.h> | |
45 | # else | |
46 | # ifdef HAVE_STRINGS_H | |
47 | # include <strings.h> | |
48 | # endif | |
49 | # endif | |
50 | #endif | |
d0d1b24d RH |
51 | #include <limits.h> |
52 | #include <errno.h> | |
953ff289 | 53 | |
976e44e3 JJ |
54 | #ifndef HAVE_STRTOULL |
55 | # define strtoull(ptr, eptr, base) strtoul (ptr, eptr, base) | |
56 | #endif | |
953ff289 | 57 | |
953ff289 DN |
58 | /* Parse the OMP_SCHEDULE environment variable. */ |
59 | ||
60 | static void | |
61 | parse_schedule (void) | |
62 | { | |
63 | char *env, *end; | |
6acf0b38 | 64 | unsigned long value; |
953ff289 DN |
65 | |
66 | env = getenv ("OMP_SCHEDULE"); | |
67 | if (env == NULL) | |
68 | return; | |
69 | ||
89b3e3cd JJ |
70 | while (isspace ((unsigned char) *env)) |
71 | ++env; | |
72 | if (strncasecmp (env, "static", 6) == 0) | |
953ff289 | 73 | { |
a68ab351 | 74 | gomp_global_icv.run_sched_var = GFS_STATIC; |
953ff289 DN |
75 | env += 6; |
76 | } | |
89b3e3cd | 77 | else if (strncasecmp (env, "dynamic", 7) == 0) |
953ff289 | 78 | { |
a68ab351 | 79 | gomp_global_icv.run_sched_var = GFS_DYNAMIC; |
953ff289 DN |
80 | env += 7; |
81 | } | |
89b3e3cd | 82 | else if (strncasecmp (env, "guided", 6) == 0) |
953ff289 | 83 | { |
a68ab351 | 84 | gomp_global_icv.run_sched_var = GFS_GUIDED; |
953ff289 DN |
85 | env += 6; |
86 | } | |
a68ab351 JJ |
87 | else if (strncasecmp (env, "auto", 4) == 0) |
88 | { | |
89 | gomp_global_icv.run_sched_var = GFS_AUTO; | |
90 | env += 4; | |
91 | } | |
953ff289 DN |
92 | else |
93 | goto unknown; | |
94 | ||
89b3e3cd JJ |
95 | while (isspace ((unsigned char) *env)) |
96 | ++env; | |
953ff289 | 97 | if (*env == '\0') |
fb79f500 | 98 | { |
d9a6bd32 | 99 | gomp_global_icv.run_sched_chunk_size |
fb79f500 JJ |
100 | = gomp_global_icv.run_sched_var != GFS_STATIC; |
101 | return; | |
102 | } | |
89b3e3cd | 103 | if (*env++ != ',') |
953ff289 | 104 | goto unknown; |
89b3e3cd JJ |
105 | while (isspace ((unsigned char) *env)) |
106 | ++env; | |
953ff289 | 107 | if (*env == '\0') |
953ff289 DN |
108 | goto invalid; |
109 | ||
6acf0b38 UB |
110 | errno = 0; |
111 | value = strtoul (env, &end, 10); | |
112 | if (errno) | |
113 | goto invalid; | |
114 | ||
89b3e3cd JJ |
115 | while (isspace ((unsigned char) *end)) |
116 | ++end; | |
953ff289 DN |
117 | if (*end != '\0') |
118 | goto invalid; | |
6acf0b38 | 119 | |
a68ab351 JJ |
120 | if ((int)value != value) |
121 | goto invalid; | |
122 | ||
fb79f500 JJ |
123 | if (value == 0 && gomp_global_icv.run_sched_var != GFS_STATIC) |
124 | value = 1; | |
d9a6bd32 | 125 | gomp_global_icv.run_sched_chunk_size = value; |
953ff289 DN |
126 | return; |
127 | ||
128 | unknown: | |
129 | gomp_error ("Unknown value for environment variable OMP_SCHEDULE"); | |
130 | return; | |
131 | ||
132 | invalid: | |
133 | gomp_error ("Invalid value for chunk size in " | |
134 | "environment variable OMP_SCHEDULE"); | |
953ff289 DN |
135 | return; |
136 | } | |
137 | ||
a68ab351 | 138 | /* Parse an unsigned long environment variable. Return true if one was |
953ff289 DN |
139 | present and it was successfully parsed. */ |
140 | ||
141 | static bool | |
80f046cc | 142 | parse_unsigned_long (const char *name, unsigned long *pvalue, bool allow_zero) |
953ff289 DN |
143 | { |
144 | char *env, *end; | |
d0d1b24d | 145 | unsigned long value; |
953ff289 | 146 | |
d0d1b24d | 147 | env = getenv (name); |
953ff289 DN |
148 | if (env == NULL) |
149 | return false; | |
150 | ||
89b3e3cd JJ |
151 | while (isspace ((unsigned char) *env)) |
152 | ++env; | |
953ff289 DN |
153 | if (*env == '\0') |
154 | goto invalid; | |
155 | ||
6acf0b38 | 156 | errno = 0; |
d0d1b24d | 157 | value = strtoul (env, &end, 10); |
80f046cc | 158 | if (errno || (long) value <= 0 - allow_zero) |
6acf0b38 UB |
159 | goto invalid; |
160 | ||
89b3e3cd JJ |
161 | while (isspace ((unsigned char) *end)) |
162 | ++end; | |
953ff289 DN |
163 | if (*end != '\0') |
164 | goto invalid; | |
d0d1b24d RH |
165 | |
166 | *pvalue = value; | |
953ff289 DN |
167 | return true; |
168 | ||
169 | invalid: | |
d0d1b24d | 170 | gomp_error ("Invalid value for environment variable %s", name); |
953ff289 DN |
171 | return false; |
172 | } | |
173 | ||
acf0174b JJ |
174 | /* Parse a positive int environment variable. Return true if one was |
175 | present and it was successfully parsed. */ | |
176 | ||
177 | static bool | |
178 | parse_int (const char *name, int *pvalue, bool allow_zero) | |
179 | { | |
180 | unsigned long value; | |
181 | if (!parse_unsigned_long (name, &value, allow_zero)) | |
182 | return false; | |
183 | if (value > INT_MAX) | |
184 | { | |
185 | gomp_error ("Invalid value for environment variable %s", name); | |
186 | return false; | |
187 | } | |
188 | *pvalue = (int) value; | |
189 | return true; | |
190 | } | |
191 | ||
20906c66 JJ |
192 | /* Parse an unsigned long list environment variable. Return true if one was |
193 | present and it was successfully parsed. */ | |
194 | ||
195 | static bool | |
196 | parse_unsigned_long_list (const char *name, unsigned long *p1stvalue, | |
197 | unsigned long **pvalues, | |
198 | unsigned long *pnvalues) | |
199 | { | |
200 | char *env, *end; | |
201 | unsigned long value, *values = NULL; | |
202 | ||
203 | env = getenv (name); | |
204 | if (env == NULL) | |
205 | return false; | |
206 | ||
207 | while (isspace ((unsigned char) *env)) | |
208 | ++env; | |
209 | if (*env == '\0') | |
210 | goto invalid; | |
211 | ||
212 | errno = 0; | |
213 | value = strtoul (env, &end, 10); | |
214 | if (errno || (long) value <= 0) | |
215 | goto invalid; | |
216 | ||
217 | while (isspace ((unsigned char) *end)) | |
218 | ++end; | |
219 | if (*end != '\0') | |
220 | { | |
221 | if (*end == ',') | |
222 | { | |
223 | unsigned long nvalues = 0, nalloced = 0; | |
224 | ||
225 | do | |
226 | { | |
227 | env = end + 1; | |
228 | if (nvalues == nalloced) | |
229 | { | |
230 | unsigned long *n; | |
231 | nalloced = nalloced ? nalloced * 2 : 16; | |
232 | n = realloc (values, nalloced * sizeof (unsigned long)); | |
233 | if (n == NULL) | |
234 | { | |
235 | free (values); | |
236 | gomp_error ("Out of memory while trying to parse" | |
237 | " environment variable %s", name); | |
238 | return false; | |
239 | } | |
240 | values = n; | |
241 | if (nvalues == 0) | |
242 | values[nvalues++] = value; | |
243 | } | |
244 | ||
245 | while (isspace ((unsigned char) *env)) | |
246 | ++env; | |
247 | if (*env == '\0') | |
248 | goto invalid; | |
249 | ||
250 | errno = 0; | |
251 | value = strtoul (env, &end, 10); | |
252 | if (errno || (long) value <= 0) | |
253 | goto invalid; | |
254 | ||
255 | values[nvalues++] = value; | |
256 | while (isspace ((unsigned char) *end)) | |
257 | ++end; | |
258 | if (*end == '\0') | |
259 | break; | |
260 | if (*end != ',') | |
261 | goto invalid; | |
262 | } | |
263 | while (1); | |
264 | *p1stvalue = values[0]; | |
265 | *pvalues = values; | |
266 | *pnvalues = nvalues; | |
267 | return true; | |
268 | } | |
269 | goto invalid; | |
270 | } | |
271 | ||
272 | *p1stvalue = value; | |
273 | return true; | |
274 | ||
275 | invalid: | |
276 | free (values); | |
277 | gomp_error ("Invalid value for environment variable %s", name); | |
278 | return false; | |
279 | } | |
280 | ||
acf0174b JJ |
281 | /* Parse environment variable set to a boolean or list of omp_proc_bind_t |
282 | enum values. Return true if one was present and it was successfully | |
283 | parsed. */ | |
284 | ||
285 | static bool | |
286 | parse_bind_var (const char *name, char *p1stvalue, | |
287 | char **pvalues, unsigned long *pnvalues) | |
288 | { | |
289 | char *env; | |
c8673881 | 290 | char value = omp_proc_bind_false, *values = NULL; |
acf0174b JJ |
291 | int i; |
292 | static struct proc_bind_kinds | |
293 | { | |
294 | const char name[7]; | |
295 | const char len; | |
296 | omp_proc_bind_t kind; | |
297 | } kinds[] = | |
298 | { | |
299 | { "false", 5, omp_proc_bind_false }, | |
300 | { "true", 4, omp_proc_bind_true }, | |
301 | { "master", 6, omp_proc_bind_master }, | |
302 | { "close", 5, omp_proc_bind_close }, | |
303 | { "spread", 6, omp_proc_bind_spread } | |
304 | }; | |
305 | ||
306 | env = getenv (name); | |
307 | if (env == NULL) | |
308 | return false; | |
309 | ||
310 | while (isspace ((unsigned char) *env)) | |
311 | ++env; | |
312 | if (*env == '\0') | |
313 | goto invalid; | |
314 | ||
315 | for (i = 0; i < 5; i++) | |
316 | if (strncasecmp (env, kinds[i].name, kinds[i].len) == 0) | |
317 | { | |
318 | value = kinds[i].kind; | |
319 | env += kinds[i].len; | |
320 | break; | |
321 | } | |
322 | if (i == 5) | |
323 | goto invalid; | |
324 | ||
325 | while (isspace ((unsigned char) *env)) | |
326 | ++env; | |
327 | if (*env != '\0') | |
328 | { | |
329 | if (*env == ',') | |
330 | { | |
331 | unsigned long nvalues = 0, nalloced = 0; | |
332 | ||
333 | if (value == omp_proc_bind_false | |
334 | || value == omp_proc_bind_true) | |
335 | goto invalid; | |
336 | ||
337 | do | |
338 | { | |
339 | env++; | |
340 | if (nvalues == nalloced) | |
341 | { | |
342 | char *n; | |
343 | nalloced = nalloced ? nalloced * 2 : 16; | |
344 | n = realloc (values, nalloced); | |
345 | if (n == NULL) | |
346 | { | |
347 | free (values); | |
348 | gomp_error ("Out of memory while trying to parse" | |
349 | " environment variable %s", name); | |
350 | return false; | |
351 | } | |
352 | values = n; | |
353 | if (nvalues == 0) | |
354 | values[nvalues++] = value; | |
355 | } | |
356 | ||
357 | while (isspace ((unsigned char) *env)) | |
358 | ++env; | |
359 | if (*env == '\0') | |
360 | goto invalid; | |
361 | ||
362 | for (i = 2; i < 5; i++) | |
363 | if (strncasecmp (env, kinds[i].name, kinds[i].len) == 0) | |
364 | { | |
365 | value = kinds[i].kind; | |
366 | env += kinds[i].len; | |
367 | break; | |
368 | } | |
369 | if (i == 5) | |
370 | goto invalid; | |
371 | ||
372 | values[nvalues++] = value; | |
373 | while (isspace ((unsigned char) *env)) | |
374 | ++env; | |
375 | if (*env == '\0') | |
376 | break; | |
377 | if (*env != ',') | |
378 | goto invalid; | |
379 | } | |
380 | while (1); | |
381 | *p1stvalue = values[0]; | |
382 | *pvalues = values; | |
383 | *pnvalues = nvalues; | |
384 | return true; | |
385 | } | |
386 | goto invalid; | |
387 | } | |
388 | ||
389 | *p1stvalue = value; | |
390 | return true; | |
391 | ||
392 | invalid: | |
393 | free (values); | |
394 | gomp_error ("Invalid value for environment variable %s", name); | |
395 | return false; | |
396 | } | |
397 | ||
398 | static bool | |
399 | parse_one_place (char **envp, bool *negatep, unsigned long *lenp, | |
400 | long *stridep) | |
401 | { | |
402 | char *env = *envp, *start; | |
403 | void *p = gomp_places_list ? gomp_places_list[gomp_places_list_len] : NULL; | |
404 | unsigned long len = 1; | |
405 | long stride = 1; | |
406 | int pass; | |
407 | bool any_negate = false; | |
408 | *negatep = false; | |
409 | while (isspace ((unsigned char) *env)) | |
410 | ++env; | |
411 | if (*env == '!') | |
412 | { | |
413 | *negatep = true; | |
414 | ++env; | |
415 | while (isspace ((unsigned char) *env)) | |
416 | ++env; | |
417 | } | |
418 | if (*env != '{') | |
419 | return false; | |
420 | ++env; | |
421 | while (isspace ((unsigned char) *env)) | |
422 | ++env; | |
423 | start = env; | |
424 | for (pass = 0; pass < (any_negate ? 2 : 1); pass++) | |
425 | { | |
426 | env = start; | |
427 | do | |
428 | { | |
429 | unsigned long this_num, this_len = 1; | |
430 | long this_stride = 1; | |
431 | bool this_negate = (*env == '!'); | |
432 | if (this_negate) | |
433 | { | |
434 | if (gomp_places_list) | |
435 | any_negate = true; | |
436 | ++env; | |
437 | while (isspace ((unsigned char) *env)) | |
438 | ++env; | |
439 | } | |
440 | ||
441 | errno = 0; | |
442 | this_num = strtoul (env, &env, 10); | |
443 | if (errno) | |
444 | return false; | |
445 | while (isspace ((unsigned char) *env)) | |
446 | ++env; | |
447 | if (*env == ':') | |
448 | { | |
449 | ++env; | |
450 | while (isspace ((unsigned char) *env)) | |
451 | ++env; | |
452 | errno = 0; | |
453 | this_len = strtoul (env, &env, 10); | |
454 | if (errno || this_len == 0) | |
455 | return false; | |
456 | while (isspace ((unsigned char) *env)) | |
457 | ++env; | |
458 | if (*env == ':') | |
459 | { | |
460 | ++env; | |
461 | while (isspace ((unsigned char) *env)) | |
462 | ++env; | |
463 | errno = 0; | |
464 | this_stride = strtol (env, &env, 10); | |
465 | if (errno) | |
466 | return false; | |
467 | while (isspace ((unsigned char) *env)) | |
468 | ++env; | |
469 | } | |
470 | } | |
471 | if (this_negate && this_len != 1) | |
472 | return false; | |
473 | if (gomp_places_list && pass == this_negate) | |
474 | { | |
475 | if (this_negate) | |
476 | { | |
477 | if (!gomp_affinity_remove_cpu (p, this_num)) | |
478 | return false; | |
479 | } | |
480 | else if (!gomp_affinity_add_cpus (p, this_num, this_len, | |
481 | this_stride, false)) | |
482 | return false; | |
483 | } | |
484 | if (*env == '}') | |
485 | break; | |
486 | if (*env != ',') | |
487 | return false; | |
488 | ++env; | |
489 | } | |
490 | while (1); | |
491 | } | |
492 | ||
493 | ++env; | |
494 | while (isspace ((unsigned char) *env)) | |
495 | ++env; | |
496 | if (*env == ':') | |
497 | { | |
498 | ++env; | |
499 | while (isspace ((unsigned char) *env)) | |
500 | ++env; | |
501 | errno = 0; | |
502 | len = strtoul (env, &env, 10); | |
503 | if (errno || len == 0 || len >= 65536) | |
504 | return false; | |
505 | while (isspace ((unsigned char) *env)) | |
506 | ++env; | |
507 | if (*env == ':') | |
508 | { | |
509 | ++env; | |
510 | while (isspace ((unsigned char) *env)) | |
511 | ++env; | |
512 | errno = 0; | |
513 | stride = strtol (env, &env, 10); | |
514 | if (errno) | |
515 | return false; | |
516 | while (isspace ((unsigned char) *env)) | |
517 | ++env; | |
518 | } | |
519 | } | |
520 | if (*negatep && len != 1) | |
521 | return false; | |
522 | *envp = env; | |
523 | *lenp = len; | |
524 | *stridep = stride; | |
525 | return true; | |
526 | } | |
527 | ||
528 | static bool | |
f89163fd | 529 | parse_places_var (const char *name, bool ignore) |
acf0174b JJ |
530 | { |
531 | char *env = getenv (name), *end; | |
532 | bool any_negate = false; | |
533 | int level = 0; | |
534 | unsigned long count = 0; | |
535 | if (env == NULL) | |
536 | return false; | |
537 | ||
538 | while (isspace ((unsigned char) *env)) | |
539 | ++env; | |
540 | if (*env == '\0') | |
541 | goto invalid; | |
542 | ||
543 | if (strncasecmp (env, "threads", 7) == 0) | |
544 | { | |
545 | env += 7; | |
546 | level = 1; | |
547 | } | |
548 | else if (strncasecmp (env, "cores", 5) == 0) | |
549 | { | |
550 | env += 5; | |
551 | level = 2; | |
552 | } | |
553 | else if (strncasecmp (env, "sockets", 7) == 0) | |
554 | { | |
555 | env += 7; | |
556 | level = 3; | |
557 | } | |
558 | if (level) | |
559 | { | |
560 | count = ULONG_MAX; | |
561 | while (isspace ((unsigned char) *env)) | |
562 | ++env; | |
563 | if (*env != '\0') | |
564 | { | |
565 | if (*env++ != '(') | |
566 | goto invalid; | |
567 | while (isspace ((unsigned char) *env)) | |
568 | ++env; | |
569 | ||
570 | errno = 0; | |
571 | count = strtoul (env, &end, 10); | |
572 | if (errno) | |
573 | goto invalid; | |
574 | env = end; | |
575 | while (isspace ((unsigned char) *env)) | |
576 | ++env; | |
577 | if (*env != ')') | |
578 | goto invalid; | |
579 | ++env; | |
580 | while (isspace ((unsigned char) *env)) | |
581 | ++env; | |
582 | if (*env != '\0') | |
583 | goto invalid; | |
584 | } | |
f89163fd JJ |
585 | |
586 | if (ignore) | |
587 | return false; | |
588 | ||
acf0174b JJ |
589 | return gomp_affinity_init_level (level, count, false); |
590 | } | |
591 | ||
592 | count = 0; | |
593 | end = env; | |
594 | do | |
595 | { | |
596 | bool negate; | |
597 | unsigned long len; | |
598 | long stride; | |
599 | if (!parse_one_place (&end, &negate, &len, &stride)) | |
600 | goto invalid; | |
601 | if (negate) | |
602 | { | |
603 | if (!any_negate) | |
604 | count++; | |
605 | any_negate = true; | |
606 | } | |
607 | else | |
608 | count += len; | |
609 | if (count > 65536) | |
610 | goto invalid; | |
611 | if (*end == '\0') | |
612 | break; | |
613 | if (*end != ',') | |
614 | goto invalid; | |
615 | end++; | |
616 | } | |
617 | while (1); | |
618 | ||
f89163fd | 619 | if (ignore) |
acf0174b JJ |
620 | return false; |
621 | ||
622 | gomp_places_list_len = 0; | |
623 | gomp_places_list = gomp_affinity_alloc (count, false); | |
624 | if (gomp_places_list == NULL) | |
625 | return false; | |
626 | ||
627 | do | |
628 | { | |
629 | bool negate; | |
630 | unsigned long len; | |
631 | long stride; | |
632 | gomp_affinity_init_place (gomp_places_list[gomp_places_list_len]); | |
633 | if (!parse_one_place (&env, &negate, &len, &stride)) | |
634 | goto invalid; | |
635 | if (negate) | |
636 | { | |
637 | void *p; | |
638 | for (count = 0; count < gomp_places_list_len; count++) | |
639 | if (gomp_affinity_same_place | |
640 | (gomp_places_list[count], | |
641 | gomp_places_list[gomp_places_list_len])) | |
642 | break; | |
643 | if (count == gomp_places_list_len) | |
644 | { | |
645 | gomp_error ("Trying to remove a non-existing place from list " | |
646 | "of places"); | |
647 | goto invalid; | |
648 | } | |
649 | p = gomp_places_list[count]; | |
650 | memmove (&gomp_places_list[count], | |
651 | &gomp_places_list[count + 1], | |
652 | (gomp_places_list_len - count - 1) * sizeof (void *)); | |
653 | --gomp_places_list_len; | |
654 | gomp_places_list[gomp_places_list_len] = p; | |
655 | } | |
656 | else if (len == 1) | |
657 | ++gomp_places_list_len; | |
658 | else | |
659 | { | |
660 | for (count = 0; count < len - 1; count++) | |
661 | if (!gomp_affinity_copy_place | |
662 | (gomp_places_list[gomp_places_list_len + count + 1], | |
663 | gomp_places_list[gomp_places_list_len + count], | |
664 | stride)) | |
665 | goto invalid; | |
666 | gomp_places_list_len += len; | |
667 | } | |
668 | if (*env == '\0') | |
669 | break; | |
670 | env++; | |
671 | } | |
672 | while (1); | |
673 | ||
674 | if (gomp_places_list_len == 0) | |
675 | { | |
676 | gomp_error ("All places have been removed"); | |
677 | goto invalid; | |
678 | } | |
679 | if (!gomp_affinity_finalize_place_list (false)) | |
680 | goto invalid; | |
681 | return true; | |
682 | ||
683 | invalid: | |
684 | free (gomp_places_list); | |
685 | gomp_places_list = NULL; | |
686 | gomp_places_list_len = 0; | |
687 | gomp_error ("Invalid value for environment variable %s", name); | |
688 | return false; | |
689 | } | |
690 | ||
a68ab351 JJ |
691 | /* Parse the OMP_STACKSIZE environment varible. Return true if one was |
692 | present and it was successfully parsed. */ | |
693 | ||
694 | static bool | |
695 | parse_stacksize (const char *name, unsigned long *pvalue) | |
696 | { | |
697 | char *env, *end; | |
698 | unsigned long value, shift = 10; | |
699 | ||
700 | env = getenv (name); | |
701 | if (env == NULL) | |
702 | return false; | |
703 | ||
704 | while (isspace ((unsigned char) *env)) | |
705 | ++env; | |
706 | if (*env == '\0') | |
707 | goto invalid; | |
708 | ||
709 | errno = 0; | |
710 | value = strtoul (env, &end, 10); | |
711 | if (errno) | |
712 | goto invalid; | |
713 | ||
714 | while (isspace ((unsigned char) *end)) | |
715 | ++end; | |
716 | if (*end != '\0') | |
717 | { | |
323ff903 | 718 | switch (tolower ((unsigned char) *end)) |
a68ab351 JJ |
719 | { |
720 | case 'b': | |
721 | shift = 0; | |
722 | break; | |
723 | case 'k': | |
724 | break; | |
725 | case 'm': | |
726 | shift = 20; | |
727 | break; | |
728 | case 'g': | |
729 | shift = 30; | |
730 | break; | |
731 | default: | |
732 | goto invalid; | |
733 | } | |
734 | ++end; | |
735 | while (isspace ((unsigned char) *end)) | |
736 | ++end; | |
737 | if (*end != '\0') | |
738 | goto invalid; | |
739 | } | |
740 | ||
741 | if (((value << shift) >> shift) != value) | |
742 | goto invalid; | |
743 | ||
744 | *pvalue = value << shift; | |
745 | return true; | |
746 | ||
747 | invalid: | |
748 | gomp_error ("Invalid value for environment variable %s", name); | |
749 | return false; | |
750 | } | |
751 | ||
752 | /* Parse the GOMP_SPINCOUNT environment varible. Return true if one was | |
753 | present and it was successfully parsed. */ | |
754 | ||
755 | static bool | |
756 | parse_spincount (const char *name, unsigned long long *pvalue) | |
757 | { | |
758 | char *env, *end; | |
759 | unsigned long long value, mult = 1; | |
760 | ||
761 | env = getenv (name); | |
762 | if (env == NULL) | |
763 | return false; | |
764 | ||
765 | while (isspace ((unsigned char) *env)) | |
766 | ++env; | |
767 | if (*env == '\0') | |
768 | goto invalid; | |
769 | ||
770 | if (strncasecmp (env, "infinite", 8) == 0 | |
771 | || strncasecmp (env, "infinity", 8) == 0) | |
772 | { | |
773 | value = ~0ULL; | |
774 | end = env + 8; | |
775 | goto check_tail; | |
776 | } | |
777 | ||
778 | errno = 0; | |
779 | value = strtoull (env, &end, 10); | |
780 | if (errno) | |
781 | goto invalid; | |
782 | ||
783 | while (isspace ((unsigned char) *end)) | |
784 | ++end; | |
785 | if (*end != '\0') | |
786 | { | |
323ff903 | 787 | switch (tolower ((unsigned char) *end)) |
a68ab351 JJ |
788 | { |
789 | case 'k': | |
790 | mult = 1000LL; | |
791 | break; | |
792 | case 'm': | |
793 | mult = 1000LL * 1000LL; | |
794 | break; | |
795 | case 'g': | |
796 | mult = 1000LL * 1000LL * 1000LL; | |
797 | break; | |
798 | case 't': | |
799 | mult = 1000LL * 1000LL * 1000LL * 1000LL; | |
800 | break; | |
801 | default: | |
802 | goto invalid; | |
803 | } | |
804 | ++end; | |
805 | check_tail: | |
806 | while (isspace ((unsigned char) *end)) | |
807 | ++end; | |
808 | if (*end != '\0') | |
809 | goto invalid; | |
810 | } | |
811 | ||
812 | if (value > ~0ULL / mult) | |
813 | value = ~0ULL; | |
814 | else | |
815 | value *= mult; | |
816 | ||
817 | *pvalue = value; | |
818 | return true; | |
819 | ||
820 | invalid: | |
821 | gomp_error ("Invalid value for environment variable %s", name); | |
822 | return false; | |
823 | } | |
824 | ||
825 | /* Parse a boolean value for environment variable NAME and store the | |
953ff289 DN |
826 | result in VALUE. */ |
827 | ||
828 | static void | |
829 | parse_boolean (const char *name, bool *value) | |
830 | { | |
831 | const char *env; | |
832 | ||
833 | env = getenv (name); | |
834 | if (env == NULL) | |
835 | return; | |
836 | ||
89b3e3cd JJ |
837 | while (isspace ((unsigned char) *env)) |
838 | ++env; | |
839 | if (strncasecmp (env, "true", 4) == 0) | |
840 | { | |
841 | *value = true; | |
842 | env += 4; | |
843 | } | |
844 | else if (strncasecmp (env, "false", 5) == 0) | |
845 | { | |
846 | *value = false; | |
847 | env += 5; | |
848 | } | |
953ff289 | 849 | else |
89b3e3cd JJ |
850 | env = "X"; |
851 | while (isspace ((unsigned char) *env)) | |
852 | ++env; | |
853 | if (*env != '\0') | |
d0d1b24d | 854 | gomp_error ("Invalid value for environment variable %s", name); |
953ff289 DN |
855 | } |
856 | ||
a68ab351 JJ |
857 | /* Parse the OMP_WAIT_POLICY environment variable and store the |
858 | result in gomp_active_wait_policy. */ | |
859 | ||
860 | static int | |
861 | parse_wait_policy (void) | |
862 | { | |
863 | const char *env; | |
864 | int ret = -1; | |
865 | ||
866 | env = getenv ("OMP_WAIT_POLICY"); | |
867 | if (env == NULL) | |
868 | return -1; | |
869 | ||
870 | while (isspace ((unsigned char) *env)) | |
871 | ++env; | |
872 | if (strncasecmp (env, "active", 6) == 0) | |
873 | { | |
874 | ret = 1; | |
875 | env += 6; | |
876 | } | |
877 | else if (strncasecmp (env, "passive", 7) == 0) | |
878 | { | |
879 | ret = 0; | |
880 | env += 7; | |
881 | } | |
882 | else | |
883 | env = "X"; | |
884 | while (isspace ((unsigned char) *env)) | |
885 | ++env; | |
886 | if (*env == '\0') | |
887 | return ret; | |
888 | gomp_error ("Invalid value for environment variable OMP_WAIT_POLICY"); | |
889 | return -1; | |
890 | } | |
891 | ||
a0884cf0 JJ |
892 | /* Parse the GOMP_CPU_AFFINITY environment varible. Return true if one was |
893 | present and it was successfully parsed. */ | |
894 | ||
895 | static bool | |
f89163fd | 896 | parse_affinity (bool ignore) |
a0884cf0 | 897 | { |
acf0174b JJ |
898 | char *env, *end, *start; |
899 | int pass; | |
a0884cf0 | 900 | unsigned long cpu_beg, cpu_end, cpu_stride; |
acf0174b | 901 | size_t count = 0, needed; |
a0884cf0 JJ |
902 | |
903 | env = getenv ("GOMP_CPU_AFFINITY"); | |
904 | if (env == NULL) | |
905 | return false; | |
906 | ||
acf0174b JJ |
907 | start = env; |
908 | for (pass = 0; pass < 2; pass++) | |
a0884cf0 | 909 | { |
acf0174b JJ |
910 | env = start; |
911 | if (pass == 1) | |
a0884cf0 | 912 | { |
f89163fd JJ |
913 | if (ignore) |
914 | return false; | |
915 | ||
acf0174b JJ |
916 | gomp_places_list_len = 0; |
917 | gomp_places_list = gomp_affinity_alloc (count, true); | |
918 | if (gomp_places_list == NULL) | |
919 | return false; | |
920 | } | |
921 | do | |
922 | { | |
923 | while (isspace ((unsigned char) *env)) | |
924 | ++env; | |
925 | ||
926 | errno = 0; | |
927 | cpu_beg = strtoul (env, &end, 0); | |
928 | if (errno || cpu_beg >= 65536) | |
a0884cf0 | 929 | goto invalid; |
acf0174b JJ |
930 | cpu_end = cpu_beg; |
931 | cpu_stride = 1; | |
a0884cf0 JJ |
932 | |
933 | env = end; | |
acf0174b | 934 | if (*env == '-') |
a0884cf0 | 935 | { |
acf0174b JJ |
936 | errno = 0; |
937 | cpu_end = strtoul (++env, &end, 0); | |
938 | if (errno || cpu_end >= 65536 || cpu_end < cpu_beg) | |
a0884cf0 JJ |
939 | goto invalid; |
940 | ||
941 | env = end; | |
acf0174b JJ |
942 | if (*env == ':') |
943 | { | |
944 | errno = 0; | |
945 | cpu_stride = strtoul (++env, &end, 0); | |
946 | if (errno || cpu_stride == 0 || cpu_stride >= 65536) | |
947 | goto invalid; | |
a0884cf0 | 948 | |
acf0174b JJ |
949 | env = end; |
950 | } | |
951 | } | |
a0884cf0 | 952 | |
acf0174b JJ |
953 | needed = (cpu_end - cpu_beg) / cpu_stride + 1; |
954 | if (pass == 0) | |
955 | count += needed; | |
a0884cf0 | 956 | else |
a0884cf0 | 957 | { |
acf0174b JJ |
958 | while (needed--) |
959 | { | |
960 | void *p = gomp_places_list[gomp_places_list_len]; | |
961 | gomp_affinity_init_place (p); | |
962 | if (gomp_affinity_add_cpus (p, cpu_beg, 1, 0, true)) | |
963 | ++gomp_places_list_len; | |
964 | cpu_beg += cpu_stride; | |
965 | } | |
a0884cf0 JJ |
966 | } |
967 | ||
acf0174b JJ |
968 | while (isspace ((unsigned char) *env)) |
969 | ++env; | |
a0884cf0 | 970 | |
acf0174b JJ |
971 | if (*env == ',') |
972 | env++; | |
973 | else if (*env == '\0') | |
974 | break; | |
a0884cf0 | 975 | } |
acf0174b | 976 | while (1); |
a0884cf0 | 977 | } |
a0884cf0 | 978 | |
acf0174b JJ |
979 | if (gomp_places_list_len == 0) |
980 | { | |
981 | free (gomp_places_list); | |
982 | gomp_places_list = NULL; | |
f89163fd | 983 | return false; |
acf0174b | 984 | } |
a0884cf0 JJ |
985 | return true; |
986 | ||
987 | invalid: | |
988 | gomp_error ("Invalid value for enviroment variable GOMP_CPU_AFFINITY"); | |
989 | return false; | |
990 | } | |
991 | ||
41dbbb37 TS |
992 | static void |
993 | parse_acc_device_type (void) | |
994 | { | |
995 | const char *env = getenv ("ACC_DEVICE_TYPE"); | |
996 | ||
997 | if (env && *env != '\0') | |
998 | goacc_device_type = strdup (env); | |
999 | else | |
1000 | goacc_device_type = NULL; | |
1001 | } | |
acf0174b JJ |
1002 | |
1003 | static void | |
1004 | handle_omp_display_env (unsigned long stacksize, int wait_policy) | |
1005 | { | |
1006 | const char *env; | |
1007 | bool display = false; | |
1008 | bool verbose = false; | |
1009 | int i; | |
1010 | ||
1011 | env = getenv ("OMP_DISPLAY_ENV"); | |
1012 | if (env == NULL) | |
1013 | return; | |
1014 | ||
1015 | while (isspace ((unsigned char) *env)) | |
1016 | ++env; | |
1017 | if (strncasecmp (env, "true", 4) == 0) | |
1018 | { | |
1019 | display = true; | |
1020 | env += 4; | |
1021 | } | |
1022 | else if (strncasecmp (env, "false", 5) == 0) | |
1023 | { | |
1024 | display = false; | |
1025 | env += 5; | |
1026 | } | |
1027 | else if (strncasecmp (env, "verbose", 7) == 0) | |
1028 | { | |
1029 | display = true; | |
1030 | verbose = true; | |
1031 | env += 7; | |
1032 | } | |
1033 | else | |
1034 | env = "X"; | |
1035 | while (isspace ((unsigned char) *env)) | |
1036 | ++env; | |
1037 | if (*env != '\0') | |
1038 | gomp_error ("Invalid value for environment variable OMP_DISPLAY_ENV"); | |
1039 | ||
1040 | if (!display) | |
1041 | return; | |
1042 | ||
1043 | fputs ("\nOPENMP DISPLAY ENVIRONMENT BEGIN\n", stderr); | |
1044 | ||
d9a6bd32 | 1045 | fputs (" _OPENMP = '201511'\n", stderr); |
acf0174b JJ |
1046 | fprintf (stderr, " OMP_DYNAMIC = '%s'\n", |
1047 | gomp_global_icv.dyn_var ? "TRUE" : "FALSE"); | |
1048 | fprintf (stderr, " OMP_NESTED = '%s'\n", | |
1049 | gomp_global_icv.nest_var ? "TRUE" : "FALSE"); | |
1050 | ||
1051 | fprintf (stderr, " OMP_NUM_THREADS = '%lu", gomp_global_icv.nthreads_var); | |
1052 | for (i = 1; i < gomp_nthreads_var_list_len; i++) | |
1053 | fprintf (stderr, ",%lu", gomp_nthreads_var_list[i]); | |
1054 | fputs ("'\n", stderr); | |
1055 | ||
1056 | fprintf (stderr, " OMP_SCHEDULE = '"); | |
1057 | switch (gomp_global_icv.run_sched_var) | |
1058 | { | |
1059 | case GFS_RUNTIME: | |
1060 | fputs ("RUNTIME", stderr); | |
1061 | break; | |
1062 | case GFS_STATIC: | |
1063 | fputs ("STATIC", stderr); | |
1064 | break; | |
1065 | case GFS_DYNAMIC: | |
1066 | fputs ("DYNAMIC", stderr); | |
1067 | break; | |
1068 | case GFS_GUIDED: | |
1069 | fputs ("GUIDED", stderr); | |
1070 | break; | |
1071 | case GFS_AUTO: | |
1072 | fputs ("AUTO", stderr); | |
1073 | break; | |
1074 | } | |
1075 | fputs ("'\n", stderr); | |
1076 | ||
1077 | fputs (" OMP_PROC_BIND = '", stderr); | |
1078 | switch (gomp_global_icv.bind_var) | |
1079 | { | |
1080 | case omp_proc_bind_false: | |
1081 | fputs ("FALSE", stderr); | |
1082 | break; | |
1083 | case omp_proc_bind_true: | |
1084 | fputs ("TRUE", stderr); | |
1085 | break; | |
1086 | case omp_proc_bind_master: | |
1087 | fputs ("MASTER", stderr); | |
1088 | break; | |
1089 | case omp_proc_bind_close: | |
1090 | fputs ("CLOSE", stderr); | |
1091 | break; | |
1092 | case omp_proc_bind_spread: | |
1093 | fputs ("SPREAD", stderr); | |
1094 | break; | |
1095 | } | |
1096 | for (i = 1; i < gomp_bind_var_list_len; i++) | |
1097 | switch (gomp_bind_var_list[i]) | |
1098 | { | |
1099 | case omp_proc_bind_master: | |
1100 | fputs (",MASTER", stderr); | |
1101 | break; | |
1102 | case omp_proc_bind_close: | |
1103 | fputs (",CLOSE", stderr); | |
1104 | break; | |
1105 | case omp_proc_bind_spread: | |
1106 | fputs (",SPREAD", stderr); | |
1107 | break; | |
1108 | } | |
1109 | fputs ("'\n", stderr); | |
1110 | fputs (" OMP_PLACES = '", stderr); | |
1111 | for (i = 0; i < gomp_places_list_len; i++) | |
1112 | { | |
1113 | fputs ("{", stderr); | |
1114 | gomp_affinity_print_place (gomp_places_list[i]); | |
1115 | fputs (i + 1 == gomp_places_list_len ? "}" : "},", stderr); | |
1116 | } | |
1117 | fputs ("'\n", stderr); | |
1118 | ||
1119 | fprintf (stderr, " OMP_STACKSIZE = '%lu'\n", stacksize); | |
1120 | ||
1121 | /* GOMP's default value is actually neither active nor passive. */ | |
1122 | fprintf (stderr, " OMP_WAIT_POLICY = '%s'\n", | |
1123 | wait_policy > 0 ? "ACTIVE" : "PASSIVE"); | |
1124 | fprintf (stderr, " OMP_THREAD_LIMIT = '%u'\n", | |
1125 | gomp_global_icv.thread_limit_var); | |
1126 | fprintf (stderr, " OMP_MAX_ACTIVE_LEVELS = '%lu'\n", | |
1127 | gomp_max_active_levels_var); | |
1128 | ||
1129 | fprintf (stderr, " OMP_CANCELLATION = '%s'\n", | |
1130 | gomp_cancel_var ? "TRUE" : "FALSE"); | |
1131 | fprintf (stderr, " OMP_DEFAULT_DEVICE = '%d'\n", | |
1132 | gomp_global_icv.default_device_var); | |
d9a6bd32 JJ |
1133 | fprintf (stderr, " OMP_MAX_TASK_PRIORITY = '%d'\n", |
1134 | gomp_max_task_priority_var); | |
acf0174b JJ |
1135 | |
1136 | if (verbose) | |
1137 | { | |
1138 | fputs (" GOMP_CPU_AFFINITY = ''\n", stderr); | |
1139 | fprintf (stderr, " GOMP_STACKSIZE = '%lu'\n", stacksize); | |
1140 | #ifdef HAVE_INTTYPES_H | |
1141 | fprintf (stderr, " GOMP_SPINCOUNT = '%"PRIu64"'\n", | |
1142 | (uint64_t) gomp_spin_count_var); | |
1143 | #else | |
1144 | fprintf (stderr, " GOMP_SPINCOUNT = '%lu'\n", | |
1145 | (unsigned long) gomp_spin_count_var); | |
1146 | #endif | |
1147 | } | |
1148 | ||
1149 | fputs ("OPENMP DISPLAY ENVIRONMENT END\n", stderr); | |
1150 | } | |
1151 | ||
1152 | ||
953ff289 DN |
1153 | static void __attribute__((constructor)) |
1154 | initialize_env (void) | |
1155 | { | |
acf0174b | 1156 | unsigned long thread_limit_var, stacksize; |
a68ab351 | 1157 | int wait_policy; |
d0d1b24d | 1158 | |
953ff289 DN |
1159 | /* Do a compile time check that mkomp_h.pl did good job. */ |
1160 | omp_check_defines (); | |
1161 | ||
1162 | parse_schedule (); | |
a68ab351 JJ |
1163 | parse_boolean ("OMP_DYNAMIC", &gomp_global_icv.dyn_var); |
1164 | parse_boolean ("OMP_NESTED", &gomp_global_icv.nest_var); | |
acf0174b JJ |
1165 | parse_boolean ("OMP_CANCELLATION", &gomp_cancel_var); |
1166 | parse_int ("OMP_DEFAULT_DEVICE", &gomp_global_icv.default_device_var, true); | |
d9a6bd32 | 1167 | parse_int ("OMP_MAX_TASK_PRIORITY", &gomp_max_task_priority_var, true); |
80f046cc JJ |
1168 | parse_unsigned_long ("OMP_MAX_ACTIVE_LEVELS", &gomp_max_active_levels_var, |
1169 | true); | |
acf0174b JJ |
1170 | if (parse_unsigned_long ("OMP_THREAD_LIMIT", &thread_limit_var, false)) |
1171 | { | |
1172 | gomp_global_icv.thread_limit_var | |
1173 | = thread_limit_var > INT_MAX ? UINT_MAX : thread_limit_var; | |
1174 | } | |
41dbbb37 | 1175 | parse_int ("GOMP_DEBUG", &gomp_debug_var, true); |
a68ab351 | 1176 | #ifndef HAVE_SYNC_BUILTINS |
acf0174b | 1177 | gomp_mutex_init (&gomp_managed_threads_lock); |
a68ab351 | 1178 | #endif |
a68ab351 JJ |
1179 | gomp_init_num_threads (); |
1180 | gomp_available_cpus = gomp_global_icv.nthreads_var; | |
20906c66 JJ |
1181 | if (!parse_unsigned_long_list ("OMP_NUM_THREADS", |
1182 | &gomp_global_icv.nthreads_var, | |
1183 | &gomp_nthreads_var_list, | |
1184 | &gomp_nthreads_var_list_len)) | |
a68ab351 | 1185 | gomp_global_icv.nthreads_var = gomp_available_cpus; |
f89163fd JJ |
1186 | bool ignore = false; |
1187 | if (parse_bind_var ("OMP_PROC_BIND", | |
1188 | &gomp_global_icv.bind_var, | |
1189 | &gomp_bind_var_list, | |
1190 | &gomp_bind_var_list_len) | |
1191 | && gomp_global_icv.bind_var == omp_proc_bind_false) | |
1192 | ignore = true; | |
1193 | /* Make sure OMP_PLACES and GOMP_CPU_AFFINITY env vars are always | |
1194 | parsed if present in the environment. If OMP_PROC_BIND was set | |
1195 | explictly to false, don't populate places list though. If places | |
1196 | list was successfully set from OMP_PLACES, only parse but don't process | |
1197 | GOMP_CPU_AFFINITY. If OMP_PROC_BIND was not set in the environment, | |
1198 | default to OMP_PROC_BIND=true if OMP_PLACES or GOMP_CPU_AFFINITY | |
1199 | was successfully parsed into a places list, otherwise to | |
1200 | OMP_PROC_BIND=false. */ | |
1201 | if (parse_places_var ("OMP_PLACES", ignore)) | |
1202 | { | |
1203 | if (gomp_global_icv.bind_var == omp_proc_bind_false) | |
1204 | gomp_global_icv.bind_var = true; | |
1205 | ignore = true; | |
1206 | } | |
1207 | if (parse_affinity (ignore)) | |
1208 | { | |
1209 | if (gomp_global_icv.bind_var == omp_proc_bind_false) | |
1210 | gomp_global_icv.bind_var = true; | |
1211 | ignore = true; | |
1212 | } | |
1213 | if (gomp_global_icv.bind_var != omp_proc_bind_false) | |
a0884cf0 | 1214 | gomp_init_affinity (); |
a68ab351 JJ |
1215 | wait_policy = parse_wait_policy (); |
1216 | if (!parse_spincount ("GOMP_SPINCOUNT", &gomp_spin_count_var)) | |
1217 | { | |
1218 | /* Using a rough estimation of 100000 spins per msec, | |
1219 | use 5 min blocking for OMP_WAIT_POLICY=active, | |
4c698cf8 | 1220 | 3 msec blocking when OMP_WAIT_POLICY is not specificed |
a68ab351 JJ |
1221 | and 0 when OMP_WAIT_POLICY=passive. |
1222 | Depending on the CPU speed, this can be e.g. 5 times longer | |
1223 | or 5 times shorter. */ | |
1224 | if (wait_policy > 0) | |
1225 | gomp_spin_count_var = 30000000000LL; | |
1226 | else if (wait_policy < 0) | |
4c698cf8 | 1227 | gomp_spin_count_var = 300000LL; |
a68ab351 JJ |
1228 | } |
1229 | /* gomp_throttled_spin_count_var is used when there are more libgomp | |
1230 | managed threads than available CPUs. Use very short spinning. */ | |
1231 | if (wait_policy > 0) | |
1232 | gomp_throttled_spin_count_var = 1000LL; | |
1233 | else if (wait_policy < 0) | |
1234 | gomp_throttled_spin_count_var = 100LL; | |
1235 | if (gomp_throttled_spin_count_var > gomp_spin_count_var) | |
1236 | gomp_throttled_spin_count_var = gomp_spin_count_var; | |
d0d1b24d RH |
1237 | |
1238 | /* Not strictly environment related, but ordering constructors is tricky. */ | |
1239 | pthread_attr_init (&gomp_thread_attr); | |
1240 | pthread_attr_setdetachstate (&gomp_thread_attr, PTHREAD_CREATE_DETACHED); | |
1241 | ||
a68ab351 JJ |
1242 | if (parse_stacksize ("OMP_STACKSIZE", &stacksize) |
1243 | || parse_stacksize ("GOMP_STACKSIZE", &stacksize)) | |
d0d1b24d | 1244 | { |
c3b11a40 RH |
1245 | int err; |
1246 | ||
c3b11a40 RH |
1247 | err = pthread_attr_setstacksize (&gomp_thread_attr, stacksize); |
1248 | ||
1249 | #ifdef PTHREAD_STACK_MIN | |
1250 | if (err == EINVAL) | |
d0d1b24d | 1251 | { |
c3b11a40 RH |
1252 | if (stacksize < PTHREAD_STACK_MIN) |
1253 | gomp_error ("Stack size less than minimum of %luk", | |
1254 | PTHREAD_STACK_MIN / 1024ul | |
1255 | + (PTHREAD_STACK_MIN % 1024 != 0)); | |
1256 | else | |
d0d1b24d | 1257 | gomp_error ("Stack size larger than system limit"); |
d0d1b24d | 1258 | } |
c3b11a40 RH |
1259 | else |
1260 | #endif | |
1261 | if (err != 0) | |
1262 | gomp_error ("Stack size change failed: %s", strerror (err)); | |
d0d1b24d | 1263 | } |
acf0174b JJ |
1264 | |
1265 | handle_omp_display_env (stacksize, wait_policy); | |
41dbbb37 TS |
1266 | |
1267 | /* OpenACC. */ | |
1268 | ||
1269 | if (!parse_int ("ACC_DEVICE_NUM", &goacc_device_num, true)) | |
1270 | goacc_device_num = 0; | |
1271 | ||
1272 | parse_acc_device_type (); | |
1273 | ||
1274 | goacc_runtime_initialize (); | |
953ff289 | 1275 | } |