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Commit | Line | Data |
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8d9254fc | 1 | /* Copyright (C) 2005-2020 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, | |
71 | .nest_var = false, | |
72 | .bind_var = omp_proc_bind_false, | |
73 | .target_data = NULL | |
74 | }; | |
75 | ||
8949b985 | 76 | unsigned long gomp_max_active_levels_var = gomp_supported_active_levels; |
630e3c3a | 77 | bool gomp_cancel_var = false; |
1bfc07d1 KCY |
78 | enum gomp_target_offload_t gomp_target_offload_var |
79 | = GOMP_TARGET_OFFLOAD_DEFAULT; | |
630e3c3a AM |
80 | int gomp_max_task_priority_var = 0; |
81 | #ifndef HAVE_SYNC_BUILTINS | |
82 | gomp_mutex_t gomp_managed_threads_lock; | |
83 | #endif | |
84 | unsigned long gomp_available_cpus = 1, gomp_managed_threads = 1; | |
85 | unsigned long long gomp_spin_count_var, gomp_throttled_spin_count_var; | |
86 | unsigned long *gomp_nthreads_var_list, gomp_nthreads_var_list_len; | |
87 | char *gomp_bind_var_list; | |
88 | unsigned long gomp_bind_var_list_len; | |
89 | void **gomp_places_list; | |
90 | unsigned long gomp_places_list_len; | |
800bcc8c | 91 | uintptr_t gomp_def_allocator = omp_default_mem_alloc; |
630e3c3a AM |
92 | int gomp_debug_var; |
93 | unsigned int gomp_num_teams_var; | |
28567c40 JJ |
94 | bool gomp_display_affinity_var; |
95 | char *gomp_affinity_format_var = "level %L thread %i affinity %A"; | |
96 | size_t gomp_affinity_format_len; | |
630e3c3a AM |
97 | char *goacc_device_type; |
98 | int goacc_device_num; | |
ec00d3fa | 99 | int goacc_default_dims[GOMP_DIM_MAX]; |
630e3c3a AM |
100 | |
101 | #ifndef LIBGOMP_OFFLOADED_ONLY | |
953ff289 | 102 | |
953ff289 DN |
103 | /* Parse the OMP_SCHEDULE environment variable. */ |
104 | ||
105 | static void | |
106 | parse_schedule (void) | |
107 | { | |
108 | char *env, *end; | |
6acf0b38 | 109 | unsigned long value; |
28567c40 | 110 | int monotonic = 0; |
953ff289 DN |
111 | |
112 | env = getenv ("OMP_SCHEDULE"); | |
113 | if (env == NULL) | |
114 | return; | |
115 | ||
89b3e3cd JJ |
116 | while (isspace ((unsigned char) *env)) |
117 | ++env; | |
28567c40 JJ |
118 | if (strncasecmp (env, "monotonic", 9) == 0) |
119 | { | |
120 | monotonic = 1; | |
121 | env += 9; | |
122 | } | |
123 | else if (strncasecmp (env, "nonmonotonic", 12) == 0) | |
124 | { | |
125 | monotonic = -1; | |
126 | env += 12; | |
127 | } | |
128 | if (monotonic) | |
129 | { | |
130 | while (isspace ((unsigned char) *env)) | |
131 | ++env; | |
132 | if (*env != ':') | |
133 | goto unknown; | |
134 | ++env; | |
135 | while (isspace ((unsigned char) *env)) | |
136 | ++env; | |
137 | } | |
89b3e3cd | 138 | if (strncasecmp (env, "static", 6) == 0) |
953ff289 | 139 | { |
a68ab351 | 140 | gomp_global_icv.run_sched_var = GFS_STATIC; |
953ff289 DN |
141 | env += 6; |
142 | } | |
89b3e3cd | 143 | else if (strncasecmp (env, "dynamic", 7) == 0) |
953ff289 | 144 | { |
a68ab351 | 145 | gomp_global_icv.run_sched_var = GFS_DYNAMIC; |
953ff289 DN |
146 | env += 7; |
147 | } | |
89b3e3cd | 148 | else if (strncasecmp (env, "guided", 6) == 0) |
953ff289 | 149 | { |
a68ab351 | 150 | gomp_global_icv.run_sched_var = GFS_GUIDED; |
953ff289 DN |
151 | env += 6; |
152 | } | |
a68ab351 JJ |
153 | else if (strncasecmp (env, "auto", 4) == 0) |
154 | { | |
155 | gomp_global_icv.run_sched_var = GFS_AUTO; | |
156 | env += 4; | |
157 | } | |
953ff289 DN |
158 | else |
159 | goto unknown; | |
160 | ||
28567c40 JJ |
161 | if (monotonic == 1 |
162 | || (monotonic == 0 && gomp_global_icv.run_sched_var == GFS_STATIC)) | |
163 | gomp_global_icv.run_sched_var |= GFS_MONOTONIC; | |
164 | ||
89b3e3cd JJ |
165 | while (isspace ((unsigned char) *env)) |
166 | ++env; | |
953ff289 | 167 | if (*env == '\0') |
fb79f500 | 168 | { |
d9a6bd32 | 169 | gomp_global_icv.run_sched_chunk_size |
28567c40 | 170 | = (gomp_global_icv.run_sched_var & ~GFS_MONOTONIC) != GFS_STATIC; |
fb79f500 JJ |
171 | return; |
172 | } | |
89b3e3cd | 173 | if (*env++ != ',') |
953ff289 | 174 | goto unknown; |
89b3e3cd JJ |
175 | while (isspace ((unsigned char) *env)) |
176 | ++env; | |
953ff289 | 177 | if (*env == '\0') |
953ff289 DN |
178 | goto invalid; |
179 | ||
6acf0b38 UB |
180 | errno = 0; |
181 | value = strtoul (env, &end, 10); | |
182 | if (errno) | |
183 | goto invalid; | |
184 | ||
89b3e3cd JJ |
185 | while (isspace ((unsigned char) *end)) |
186 | ++end; | |
953ff289 DN |
187 | if (*end != '\0') |
188 | goto invalid; | |
6acf0b38 | 189 | |
a68ab351 JJ |
190 | if ((int)value != value) |
191 | goto invalid; | |
192 | ||
28567c40 JJ |
193 | if (value == 0 |
194 | && (gomp_global_icv.run_sched_var & ~GFS_MONOTONIC) != GFS_STATIC) | |
fb79f500 | 195 | value = 1; |
d9a6bd32 | 196 | gomp_global_icv.run_sched_chunk_size = value; |
953ff289 DN |
197 | return; |
198 | ||
199 | unknown: | |
200 | gomp_error ("Unknown value for environment variable OMP_SCHEDULE"); | |
201 | return; | |
202 | ||
203 | invalid: | |
204 | gomp_error ("Invalid value for chunk size in " | |
205 | "environment variable OMP_SCHEDULE"); | |
953ff289 DN |
206 | return; |
207 | } | |
208 | ||
a68ab351 | 209 | /* Parse an unsigned long environment variable. Return true if one was |
22f1a037 TV |
210 | present and it was successfully parsed. If SECURE, use secure_getenv to the |
211 | environment variable. */ | |
953ff289 DN |
212 | |
213 | static bool | |
22f1a037 TV |
214 | parse_unsigned_long_1 (const char *name, unsigned long *pvalue, bool allow_zero, |
215 | bool secure) | |
953ff289 DN |
216 | { |
217 | char *env, *end; | |
d0d1b24d | 218 | unsigned long value; |
953ff289 | 219 | |
22f1a037 | 220 | env = (secure ? secure_getenv (name) : getenv (name)); |
953ff289 DN |
221 | if (env == NULL) |
222 | return false; | |
223 | ||
89b3e3cd JJ |
224 | while (isspace ((unsigned char) *env)) |
225 | ++env; | |
953ff289 DN |
226 | if (*env == '\0') |
227 | goto invalid; | |
228 | ||
6acf0b38 | 229 | errno = 0; |
d0d1b24d | 230 | value = strtoul (env, &end, 10); |
80f046cc | 231 | if (errno || (long) value <= 0 - allow_zero) |
6acf0b38 UB |
232 | goto invalid; |
233 | ||
89b3e3cd JJ |
234 | while (isspace ((unsigned char) *end)) |
235 | ++end; | |
953ff289 DN |
236 | if (*end != '\0') |
237 | goto invalid; | |
d0d1b24d RH |
238 | |
239 | *pvalue = value; | |
953ff289 DN |
240 | return true; |
241 | ||
242 | invalid: | |
d0d1b24d | 243 | gomp_error ("Invalid value for environment variable %s", name); |
953ff289 DN |
244 | return false; |
245 | } | |
246 | ||
22f1a037 TV |
247 | /* As parse_unsigned_long_1, but always use getenv. */ |
248 | ||
249 | static bool | |
250 | parse_unsigned_long (const char *name, unsigned long *pvalue, bool allow_zero) | |
251 | { | |
252 | return parse_unsigned_long_1 (name, pvalue, allow_zero, false); | |
253 | } | |
254 | ||
acf0174b | 255 | /* Parse a positive int environment variable. Return true if one was |
22f1a037 TV |
256 | present and it was successfully parsed. If SECURE, use secure_getenv to the |
257 | environment variable. */ | |
acf0174b JJ |
258 | |
259 | static bool | |
22f1a037 | 260 | parse_int_1 (const char *name, int *pvalue, bool allow_zero, bool secure) |
acf0174b JJ |
261 | { |
262 | unsigned long value; | |
22f1a037 | 263 | if (!parse_unsigned_long_1 (name, &value, allow_zero, secure)) |
acf0174b JJ |
264 | return false; |
265 | if (value > INT_MAX) | |
266 | { | |
267 | gomp_error ("Invalid value for environment variable %s", name); | |
268 | return false; | |
269 | } | |
270 | *pvalue = (int) value; | |
271 | return true; | |
272 | } | |
273 | ||
22f1a037 TV |
274 | /* As parse_int_1, but use getenv. */ |
275 | ||
276 | static bool | |
277 | parse_int (const char *name, int *pvalue, bool allow_zero) | |
278 | { | |
279 | return parse_int_1 (name, pvalue, allow_zero, false); | |
280 | } | |
281 | ||
282 | /* As parse_int_1, but use getenv_secure. */ | |
283 | ||
284 | static bool | |
285 | parse_int_secure (const char *name, int *pvalue, bool allow_zero) | |
286 | { | |
287 | return parse_int_1 (name, pvalue, allow_zero, true); | |
288 | } | |
289 | ||
20906c66 JJ |
290 | /* Parse an unsigned long list environment variable. Return true if one was |
291 | present and it was successfully parsed. */ | |
292 | ||
293 | static bool | |
294 | parse_unsigned_long_list (const char *name, unsigned long *p1stvalue, | |
295 | unsigned long **pvalues, | |
296 | unsigned long *pnvalues) | |
297 | { | |
298 | char *env, *end; | |
299 | unsigned long value, *values = NULL; | |
300 | ||
301 | env = getenv (name); | |
302 | if (env == NULL) | |
303 | return false; | |
304 | ||
305 | while (isspace ((unsigned char) *env)) | |
306 | ++env; | |
307 | if (*env == '\0') | |
308 | goto invalid; | |
309 | ||
310 | errno = 0; | |
311 | value = strtoul (env, &end, 10); | |
312 | if (errno || (long) value <= 0) | |
313 | goto invalid; | |
314 | ||
315 | while (isspace ((unsigned char) *end)) | |
316 | ++end; | |
317 | if (*end != '\0') | |
318 | { | |
319 | if (*end == ',') | |
320 | { | |
321 | unsigned long nvalues = 0, nalloced = 0; | |
322 | ||
323 | do | |
324 | { | |
325 | env = end + 1; | |
326 | if (nvalues == nalloced) | |
327 | { | |
328 | unsigned long *n; | |
329 | nalloced = nalloced ? nalloced * 2 : 16; | |
330 | n = realloc (values, nalloced * sizeof (unsigned long)); | |
331 | if (n == NULL) | |
332 | { | |
333 | free (values); | |
334 | gomp_error ("Out of memory while trying to parse" | |
335 | " environment variable %s", name); | |
336 | return false; | |
337 | } | |
338 | values = n; | |
339 | if (nvalues == 0) | |
340 | values[nvalues++] = value; | |
341 | } | |
342 | ||
343 | while (isspace ((unsigned char) *env)) | |
344 | ++env; | |
345 | if (*env == '\0') | |
346 | goto invalid; | |
347 | ||
348 | errno = 0; | |
349 | value = strtoul (env, &end, 10); | |
350 | if (errno || (long) value <= 0) | |
351 | goto invalid; | |
352 | ||
353 | values[nvalues++] = value; | |
354 | while (isspace ((unsigned char) *end)) | |
355 | ++end; | |
356 | if (*end == '\0') | |
357 | break; | |
358 | if (*end != ',') | |
359 | goto invalid; | |
360 | } | |
361 | while (1); | |
362 | *p1stvalue = values[0]; | |
363 | *pvalues = values; | |
364 | *pnvalues = nvalues; | |
365 | return true; | |
366 | } | |
367 | goto invalid; | |
368 | } | |
369 | ||
370 | *p1stvalue = value; | |
371 | return true; | |
372 | ||
373 | invalid: | |
374 | free (values); | |
375 | gomp_error ("Invalid value for environment variable %s", name); | |
376 | return false; | |
377 | } | |
378 | ||
1bfc07d1 KCY |
379 | static void |
380 | parse_target_offload (const char *name, enum gomp_target_offload_t *offload) | |
381 | { | |
382 | const char *env; | |
383 | bool found = false; | |
384 | enum gomp_target_offload_t new_offload; | |
385 | ||
386 | env = getenv (name); | |
387 | if (env == NULL) | |
388 | return; | |
389 | ||
390 | while (isspace ((unsigned char) *env)) | |
391 | ++env; | |
392 | if (strncasecmp (env, "default", 7) == 0) | |
393 | { | |
394 | env += 7; | |
395 | found = true; | |
396 | new_offload = GOMP_TARGET_OFFLOAD_DEFAULT; | |
397 | } | |
398 | else if (strncasecmp (env, "mandatory", 9) == 0) | |
399 | { | |
400 | env += 9; | |
401 | found = true; | |
402 | new_offload = GOMP_TARGET_OFFLOAD_MANDATORY; | |
403 | } | |
404 | else if (strncasecmp (env, "disabled", 8) == 0) | |
405 | { | |
406 | env += 8; | |
407 | found = true; | |
408 | new_offload = GOMP_TARGET_OFFLOAD_DISABLED; | |
409 | } | |
410 | while (isspace ((unsigned char) *env)) | |
411 | ++env; | |
412 | if (found && *env == '\0') | |
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 }, | |
442 | { "close", 5, omp_proc_bind_close }, | |
443 | { "spread", 6, omp_proc_bind_spread } | |
444 | }; | |
445 | ||
446 | env = getenv (name); | |
447 | if (env == NULL) | |
448 | return false; | |
449 | ||
450 | while (isspace ((unsigned char) *env)) | |
451 | ++env; | |
452 | if (*env == '\0') | |
453 | goto invalid; | |
454 | ||
455 | for (i = 0; i < 5; i++) | |
456 | if (strncasecmp (env, kinds[i].name, kinds[i].len) == 0) | |
457 | { | |
458 | value = kinds[i].kind; | |
459 | env += kinds[i].len; | |
460 | break; | |
461 | } | |
462 | if (i == 5) | |
463 | goto invalid; | |
464 | ||
465 | while (isspace ((unsigned char) *env)) | |
466 | ++env; | |
467 | if (*env != '\0') | |
468 | { | |
469 | if (*env == ',') | |
470 | { | |
471 | unsigned long nvalues = 0, nalloced = 0; | |
472 | ||
473 | if (value == omp_proc_bind_false | |
474 | || value == omp_proc_bind_true) | |
475 | goto invalid; | |
476 | ||
477 | do | |
478 | { | |
479 | env++; | |
480 | if (nvalues == nalloced) | |
481 | { | |
482 | char *n; | |
483 | nalloced = nalloced ? nalloced * 2 : 16; | |
484 | n = realloc (values, nalloced); | |
485 | if (n == NULL) | |
486 | { | |
487 | free (values); | |
488 | gomp_error ("Out of memory while trying to parse" | |
489 | " environment variable %s", name); | |
490 | return false; | |
491 | } | |
492 | values = n; | |
493 | if (nvalues == 0) | |
494 | values[nvalues++] = value; | |
495 | } | |
496 | ||
497 | while (isspace ((unsigned char) *env)) | |
498 | ++env; | |
499 | if (*env == '\0') | |
500 | goto invalid; | |
501 | ||
502 | for (i = 2; i < 5; i++) | |
503 | if (strncasecmp (env, kinds[i].name, kinds[i].len) == 0) | |
504 | { | |
505 | value = kinds[i].kind; | |
506 | env += kinds[i].len; | |
507 | break; | |
508 | } | |
509 | if (i == 5) | |
510 | goto invalid; | |
511 | ||
512 | values[nvalues++] = value; | |
513 | while (isspace ((unsigned char) *env)) | |
514 | ++env; | |
515 | if (*env == '\0') | |
516 | break; | |
517 | if (*env != ',') | |
518 | goto invalid; | |
519 | } | |
520 | while (1); | |
521 | *p1stvalue = values[0]; | |
522 | *pvalues = values; | |
523 | *pnvalues = nvalues; | |
524 | return true; | |
525 | } | |
526 | goto invalid; | |
527 | } | |
528 | ||
529 | *p1stvalue = value; | |
530 | return true; | |
531 | ||
532 | invalid: | |
533 | free (values); | |
534 | gomp_error ("Invalid value for environment variable %s", name); | |
535 | return false; | |
536 | } | |
537 | ||
538 | static bool | |
539 | parse_one_place (char **envp, bool *negatep, unsigned long *lenp, | |
540 | long *stridep) | |
541 | { | |
542 | char *env = *envp, *start; | |
543 | void *p = gomp_places_list ? gomp_places_list[gomp_places_list_len] : NULL; | |
544 | unsigned long len = 1; | |
545 | long stride = 1; | |
546 | int pass; | |
547 | bool any_negate = false; | |
548 | *negatep = false; | |
549 | while (isspace ((unsigned char) *env)) | |
550 | ++env; | |
551 | if (*env == '!') | |
552 | { | |
553 | *negatep = true; | |
554 | ++env; | |
555 | while (isspace ((unsigned char) *env)) | |
556 | ++env; | |
557 | } | |
558 | if (*env != '{') | |
559 | return false; | |
560 | ++env; | |
561 | while (isspace ((unsigned char) *env)) | |
562 | ++env; | |
563 | start = env; | |
564 | for (pass = 0; pass < (any_negate ? 2 : 1); pass++) | |
565 | { | |
566 | env = start; | |
567 | do | |
568 | { | |
569 | unsigned long this_num, this_len = 1; | |
570 | long this_stride = 1; | |
571 | bool this_negate = (*env == '!'); | |
572 | if (this_negate) | |
573 | { | |
574 | if (gomp_places_list) | |
575 | any_negate = true; | |
576 | ++env; | |
577 | while (isspace ((unsigned char) *env)) | |
578 | ++env; | |
579 | } | |
580 | ||
581 | errno = 0; | |
582 | this_num = strtoul (env, &env, 10); | |
583 | if (errno) | |
584 | return false; | |
585 | while (isspace ((unsigned char) *env)) | |
586 | ++env; | |
587 | if (*env == ':') | |
588 | { | |
589 | ++env; | |
590 | while (isspace ((unsigned char) *env)) | |
591 | ++env; | |
592 | errno = 0; | |
593 | this_len = strtoul (env, &env, 10); | |
594 | if (errno || this_len == 0) | |
595 | return false; | |
596 | while (isspace ((unsigned char) *env)) | |
597 | ++env; | |
598 | if (*env == ':') | |
599 | { | |
600 | ++env; | |
601 | while (isspace ((unsigned char) *env)) | |
602 | ++env; | |
603 | errno = 0; | |
604 | this_stride = strtol (env, &env, 10); | |
605 | if (errno) | |
606 | return false; | |
607 | while (isspace ((unsigned char) *env)) | |
608 | ++env; | |
609 | } | |
610 | } | |
611 | if (this_negate && this_len != 1) | |
612 | return false; | |
613 | if (gomp_places_list && pass == this_negate) | |
614 | { | |
615 | if (this_negate) | |
616 | { | |
617 | if (!gomp_affinity_remove_cpu (p, this_num)) | |
618 | return false; | |
619 | } | |
620 | else if (!gomp_affinity_add_cpus (p, this_num, this_len, | |
621 | this_stride, false)) | |
622 | return false; | |
623 | } | |
624 | if (*env == '}') | |
625 | break; | |
626 | if (*env != ',') | |
627 | return false; | |
628 | ++env; | |
629 | } | |
630 | while (1); | |
631 | } | |
632 | ||
633 | ++env; | |
634 | while (isspace ((unsigned char) *env)) | |
635 | ++env; | |
636 | if (*env == ':') | |
637 | { | |
638 | ++env; | |
639 | while (isspace ((unsigned char) *env)) | |
640 | ++env; | |
641 | errno = 0; | |
642 | len = strtoul (env, &env, 10); | |
643 | if (errno || len == 0 || len >= 65536) | |
644 | return false; | |
645 | while (isspace ((unsigned char) *env)) | |
646 | ++env; | |
647 | if (*env == ':') | |
648 | { | |
649 | ++env; | |
650 | while (isspace ((unsigned char) *env)) | |
651 | ++env; | |
652 | errno = 0; | |
653 | stride = strtol (env, &env, 10); | |
654 | if (errno) | |
655 | return false; | |
656 | while (isspace ((unsigned char) *env)) | |
657 | ++env; | |
658 | } | |
659 | } | |
660 | if (*negatep && len != 1) | |
661 | return false; | |
662 | *envp = env; | |
663 | *lenp = len; | |
664 | *stridep = stride; | |
665 | return true; | |
666 | } | |
667 | ||
668 | static bool | |
f89163fd | 669 | parse_places_var (const char *name, bool ignore) |
acf0174b JJ |
670 | { |
671 | char *env = getenv (name), *end; | |
672 | bool any_negate = false; | |
673 | int level = 0; | |
674 | unsigned long count = 0; | |
675 | if (env == NULL) | |
676 | return false; | |
677 | ||
678 | while (isspace ((unsigned char) *env)) | |
679 | ++env; | |
680 | if (*env == '\0') | |
681 | goto invalid; | |
682 | ||
683 | if (strncasecmp (env, "threads", 7) == 0) | |
684 | { | |
685 | env += 7; | |
686 | level = 1; | |
687 | } | |
688 | else if (strncasecmp (env, "cores", 5) == 0) | |
689 | { | |
690 | env += 5; | |
691 | level = 2; | |
692 | } | |
693 | else if (strncasecmp (env, "sockets", 7) == 0) | |
694 | { | |
695 | env += 7; | |
696 | level = 3; | |
697 | } | |
698 | if (level) | |
699 | { | |
700 | count = ULONG_MAX; | |
701 | while (isspace ((unsigned char) *env)) | |
702 | ++env; | |
703 | if (*env != '\0') | |
704 | { | |
705 | if (*env++ != '(') | |
706 | goto invalid; | |
707 | while (isspace ((unsigned char) *env)) | |
708 | ++env; | |
709 | ||
710 | errno = 0; | |
711 | count = strtoul (env, &end, 10); | |
712 | if (errno) | |
713 | goto invalid; | |
714 | env = end; | |
715 | while (isspace ((unsigned char) *env)) | |
716 | ++env; | |
717 | if (*env != ')') | |
718 | goto invalid; | |
719 | ++env; | |
720 | while (isspace ((unsigned char) *env)) | |
721 | ++env; | |
722 | if (*env != '\0') | |
723 | goto invalid; | |
724 | } | |
f89163fd JJ |
725 | |
726 | if (ignore) | |
727 | return false; | |
728 | ||
acf0174b JJ |
729 | return gomp_affinity_init_level (level, count, false); |
730 | } | |
731 | ||
732 | count = 0; | |
733 | end = env; | |
734 | do | |
735 | { | |
736 | bool negate; | |
737 | unsigned long len; | |
738 | long stride; | |
739 | if (!parse_one_place (&end, &negate, &len, &stride)) | |
740 | goto invalid; | |
741 | if (negate) | |
742 | { | |
743 | if (!any_negate) | |
744 | count++; | |
745 | any_negate = true; | |
746 | } | |
747 | else | |
748 | count += len; | |
749 | if (count > 65536) | |
750 | goto invalid; | |
751 | if (*end == '\0') | |
752 | break; | |
753 | if (*end != ',') | |
754 | goto invalid; | |
755 | end++; | |
756 | } | |
757 | while (1); | |
758 | ||
f89163fd | 759 | if (ignore) |
acf0174b JJ |
760 | return false; |
761 | ||
762 | gomp_places_list_len = 0; | |
763 | gomp_places_list = gomp_affinity_alloc (count, false); | |
764 | if (gomp_places_list == NULL) | |
765 | return false; | |
766 | ||
767 | do | |
768 | { | |
769 | bool negate; | |
770 | unsigned long len; | |
771 | long stride; | |
772 | gomp_affinity_init_place (gomp_places_list[gomp_places_list_len]); | |
773 | if (!parse_one_place (&env, &negate, &len, &stride)) | |
774 | goto invalid; | |
775 | if (negate) | |
776 | { | |
777 | void *p; | |
778 | for (count = 0; count < gomp_places_list_len; count++) | |
779 | if (gomp_affinity_same_place | |
780 | (gomp_places_list[count], | |
781 | gomp_places_list[gomp_places_list_len])) | |
782 | break; | |
783 | if (count == gomp_places_list_len) | |
784 | { | |
785 | gomp_error ("Trying to remove a non-existing place from list " | |
786 | "of places"); | |
787 | goto invalid; | |
788 | } | |
789 | p = gomp_places_list[count]; | |
790 | memmove (&gomp_places_list[count], | |
791 | &gomp_places_list[count + 1], | |
792 | (gomp_places_list_len - count - 1) * sizeof (void *)); | |
793 | --gomp_places_list_len; | |
794 | gomp_places_list[gomp_places_list_len] = p; | |
795 | } | |
796 | else if (len == 1) | |
797 | ++gomp_places_list_len; | |
798 | else | |
799 | { | |
800 | for (count = 0; count < len - 1; count++) | |
801 | if (!gomp_affinity_copy_place | |
802 | (gomp_places_list[gomp_places_list_len + count + 1], | |
803 | gomp_places_list[gomp_places_list_len + count], | |
804 | stride)) | |
805 | goto invalid; | |
806 | gomp_places_list_len += len; | |
807 | } | |
808 | if (*env == '\0') | |
809 | break; | |
810 | env++; | |
811 | } | |
812 | while (1); | |
813 | ||
814 | if (gomp_places_list_len == 0) | |
815 | { | |
816 | gomp_error ("All places have been removed"); | |
817 | goto invalid; | |
818 | } | |
819 | if (!gomp_affinity_finalize_place_list (false)) | |
820 | goto invalid; | |
821 | return true; | |
822 | ||
823 | invalid: | |
824 | free (gomp_places_list); | |
825 | gomp_places_list = NULL; | |
826 | gomp_places_list_len = 0; | |
827 | gomp_error ("Invalid value for environment variable %s", name); | |
828 | return false; | |
829 | } | |
830 | ||
a68ab351 JJ |
831 | /* Parse the OMP_STACKSIZE environment varible. Return true if one was |
832 | present and it was successfully parsed. */ | |
833 | ||
834 | static bool | |
835 | parse_stacksize (const char *name, unsigned long *pvalue) | |
836 | { | |
837 | char *env, *end; | |
838 | unsigned long value, shift = 10; | |
839 | ||
840 | env = getenv (name); | |
841 | if (env == NULL) | |
842 | return false; | |
843 | ||
844 | while (isspace ((unsigned char) *env)) | |
845 | ++env; | |
846 | if (*env == '\0') | |
847 | goto invalid; | |
848 | ||
849 | errno = 0; | |
850 | value = strtoul (env, &end, 10); | |
851 | if (errno) | |
852 | goto invalid; | |
853 | ||
854 | while (isspace ((unsigned char) *end)) | |
855 | ++end; | |
856 | if (*end != '\0') | |
857 | { | |
323ff903 | 858 | switch (tolower ((unsigned char) *end)) |
a68ab351 JJ |
859 | { |
860 | case 'b': | |
861 | shift = 0; | |
862 | break; | |
863 | case 'k': | |
864 | break; | |
865 | case 'm': | |
866 | shift = 20; | |
867 | break; | |
868 | case 'g': | |
869 | shift = 30; | |
870 | break; | |
871 | default: | |
872 | goto invalid; | |
873 | } | |
874 | ++end; | |
875 | while (isspace ((unsigned char) *end)) | |
876 | ++end; | |
877 | if (*end != '\0') | |
878 | goto invalid; | |
879 | } | |
880 | ||
881 | if (((value << shift) >> shift) != value) | |
882 | goto invalid; | |
883 | ||
884 | *pvalue = value << shift; | |
885 | return true; | |
886 | ||
887 | invalid: | |
888 | gomp_error ("Invalid value for environment variable %s", name); | |
889 | return false; | |
890 | } | |
891 | ||
892 | /* Parse the GOMP_SPINCOUNT environment varible. Return true if one was | |
893 | present and it was successfully parsed. */ | |
894 | ||
895 | static bool | |
896 | parse_spincount (const char *name, unsigned long long *pvalue) | |
897 | { | |
898 | char *env, *end; | |
899 | unsigned long long value, mult = 1; | |
900 | ||
901 | env = getenv (name); | |
902 | if (env == NULL) | |
903 | return false; | |
904 | ||
905 | while (isspace ((unsigned char) *env)) | |
906 | ++env; | |
907 | if (*env == '\0') | |
908 | goto invalid; | |
909 | ||
910 | if (strncasecmp (env, "infinite", 8) == 0 | |
911 | || strncasecmp (env, "infinity", 8) == 0) | |
912 | { | |
913 | value = ~0ULL; | |
914 | end = env + 8; | |
915 | goto check_tail; | |
916 | } | |
917 | ||
918 | errno = 0; | |
919 | value = strtoull (env, &end, 10); | |
920 | if (errno) | |
921 | goto invalid; | |
922 | ||
923 | while (isspace ((unsigned char) *end)) | |
924 | ++end; | |
925 | if (*end != '\0') | |
926 | { | |
323ff903 | 927 | switch (tolower ((unsigned char) *end)) |
a68ab351 JJ |
928 | { |
929 | case 'k': | |
930 | mult = 1000LL; | |
931 | break; | |
932 | case 'm': | |
933 | mult = 1000LL * 1000LL; | |
934 | break; | |
935 | case 'g': | |
936 | mult = 1000LL * 1000LL * 1000LL; | |
937 | break; | |
938 | case 't': | |
939 | mult = 1000LL * 1000LL * 1000LL * 1000LL; | |
940 | break; | |
941 | default: | |
942 | goto invalid; | |
943 | } | |
944 | ++end; | |
945 | check_tail: | |
946 | while (isspace ((unsigned char) *end)) | |
947 | ++end; | |
948 | if (*end != '\0') | |
949 | goto invalid; | |
950 | } | |
951 | ||
952 | if (value > ~0ULL / mult) | |
953 | value = ~0ULL; | |
954 | else | |
955 | value *= mult; | |
956 | ||
957 | *pvalue = value; | |
958 | return true; | |
959 | ||
960 | invalid: | |
961 | gomp_error ("Invalid value for environment variable %s", name); | |
962 | return false; | |
963 | } | |
964 | ||
965 | /* Parse a boolean value for environment variable NAME and store the | |
953ff289 DN |
966 | result in VALUE. */ |
967 | ||
968 | static void | |
969 | parse_boolean (const char *name, bool *value) | |
970 | { | |
971 | const char *env; | |
972 | ||
973 | env = getenv (name); | |
974 | if (env == NULL) | |
975 | return; | |
976 | ||
89b3e3cd JJ |
977 | while (isspace ((unsigned char) *env)) |
978 | ++env; | |
979 | if (strncasecmp (env, "true", 4) == 0) | |
980 | { | |
981 | *value = true; | |
982 | env += 4; | |
983 | } | |
984 | else if (strncasecmp (env, "false", 5) == 0) | |
985 | { | |
986 | *value = false; | |
987 | env += 5; | |
988 | } | |
953ff289 | 989 | else |
89b3e3cd JJ |
990 | env = "X"; |
991 | while (isspace ((unsigned char) *env)) | |
992 | ++env; | |
993 | if (*env != '\0') | |
d0d1b24d | 994 | gomp_error ("Invalid value for environment variable %s", name); |
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", | |
1259 | gomp_global_icv.nest_var ? "TRUE" : "FALSE"); | |
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); | |
1351 | fprintf (stderr, " OMP_MAX_ACTIVE_LEVELS = '%lu'\n", | |
1352 | gomp_max_active_levels_var); | |
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; |
a68ab351 | 1417 | int wait_policy; |
d0d1b24d | 1418 | |
953ff289 DN |
1419 | /* Do a compile time check that mkomp_h.pl did good job. */ |
1420 | omp_check_defines (); | |
1421 | ||
1422 | parse_schedule (); | |
a68ab351 JJ |
1423 | parse_boolean ("OMP_DYNAMIC", &gomp_global_icv.dyn_var); |
1424 | parse_boolean ("OMP_NESTED", &gomp_global_icv.nest_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); |
80f046cc JJ |
1430 | parse_unsigned_long ("OMP_MAX_ACTIVE_LEVELS", &gomp_max_active_levels_var, |
1431 | true); | |
8949b985 KCY |
1432 | if (gomp_max_active_levels_var > gomp_supported_active_levels) |
1433 | gomp_max_active_levels_var = gomp_supported_active_levels; | |
800bcc8c | 1434 | gomp_def_allocator = parse_allocator (); |
acf0174b JJ |
1435 | if (parse_unsigned_long ("OMP_THREAD_LIMIT", &thread_limit_var, false)) |
1436 | { | |
1437 | gomp_global_icv.thread_limit_var | |
1438 | = thread_limit_var > INT_MAX ? UINT_MAX : thread_limit_var; | |
1439 | } | |
22f1a037 | 1440 | parse_int_secure ("GOMP_DEBUG", &gomp_debug_var, true); |
a68ab351 | 1441 | #ifndef HAVE_SYNC_BUILTINS |
acf0174b | 1442 | gomp_mutex_init (&gomp_managed_threads_lock); |
a68ab351 | 1443 | #endif |
a68ab351 JJ |
1444 | gomp_init_num_threads (); |
1445 | gomp_available_cpus = gomp_global_icv.nthreads_var; | |
20906c66 JJ |
1446 | if (!parse_unsigned_long_list ("OMP_NUM_THREADS", |
1447 | &gomp_global_icv.nthreads_var, | |
1448 | &gomp_nthreads_var_list, | |
1449 | &gomp_nthreads_var_list_len)) | |
a68ab351 | 1450 | gomp_global_icv.nthreads_var = gomp_available_cpus; |
f89163fd JJ |
1451 | bool ignore = false; |
1452 | if (parse_bind_var ("OMP_PROC_BIND", | |
1453 | &gomp_global_icv.bind_var, | |
1454 | &gomp_bind_var_list, | |
1455 | &gomp_bind_var_list_len) | |
1456 | && gomp_global_icv.bind_var == omp_proc_bind_false) | |
1457 | ignore = true; | |
1458 | /* Make sure OMP_PLACES and GOMP_CPU_AFFINITY env vars are always | |
1459 | parsed if present in the environment. If OMP_PROC_BIND was set | |
93d90219 | 1460 | explicitly to false, don't populate places list though. If places |
f89163fd JJ |
1461 | list was successfully set from OMP_PLACES, only parse but don't process |
1462 | GOMP_CPU_AFFINITY. If OMP_PROC_BIND was not set in the environment, | |
1463 | default to OMP_PROC_BIND=true if OMP_PLACES or GOMP_CPU_AFFINITY | |
1464 | was successfully parsed into a places list, otherwise to | |
1465 | OMP_PROC_BIND=false. */ | |
1466 | if (parse_places_var ("OMP_PLACES", ignore)) | |
1467 | { | |
1468 | if (gomp_global_icv.bind_var == omp_proc_bind_false) | |
1469 | gomp_global_icv.bind_var = true; | |
1470 | ignore = true; | |
1471 | } | |
1472 | if (parse_affinity (ignore)) | |
1473 | { | |
1474 | if (gomp_global_icv.bind_var == omp_proc_bind_false) | |
1475 | gomp_global_icv.bind_var = true; | |
1476 | ignore = true; | |
1477 | } | |
1478 | if (gomp_global_icv.bind_var != omp_proc_bind_false) | |
a0884cf0 | 1479 | gomp_init_affinity (); |
28567c40 JJ |
1480 | |
1481 | { | |
1482 | const char *env = getenv ("OMP_AFFINITY_FORMAT"); | |
1483 | if (env != NULL) | |
1484 | gomp_set_affinity_format (env, strlen (env)); | |
1485 | } | |
1486 | ||
a68ab351 JJ |
1487 | wait_policy = parse_wait_policy (); |
1488 | if (!parse_spincount ("GOMP_SPINCOUNT", &gomp_spin_count_var)) | |
1489 | { | |
1490 | /* Using a rough estimation of 100000 spins per msec, | |
1491 | use 5 min blocking for OMP_WAIT_POLICY=active, | |
4c698cf8 | 1492 | 3 msec blocking when OMP_WAIT_POLICY is not specificed |
a68ab351 JJ |
1493 | and 0 when OMP_WAIT_POLICY=passive. |
1494 | Depending on the CPU speed, this can be e.g. 5 times longer | |
1495 | or 5 times shorter. */ | |
1496 | if (wait_policy > 0) | |
1497 | gomp_spin_count_var = 30000000000LL; | |
1498 | else if (wait_policy < 0) | |
4c698cf8 | 1499 | gomp_spin_count_var = 300000LL; |
a68ab351 JJ |
1500 | } |
1501 | /* gomp_throttled_spin_count_var is used when there are more libgomp | |
1502 | managed threads than available CPUs. Use very short spinning. */ | |
1503 | if (wait_policy > 0) | |
1504 | gomp_throttled_spin_count_var = 1000LL; | |
1505 | else if (wait_policy < 0) | |
1506 | gomp_throttled_spin_count_var = 100LL; | |
1507 | if (gomp_throttled_spin_count_var > gomp_spin_count_var) | |
1508 | gomp_throttled_spin_count_var = gomp_spin_count_var; | |
d0d1b24d RH |
1509 | |
1510 | /* Not strictly environment related, but ordering constructors is tricky. */ | |
1511 | pthread_attr_init (&gomp_thread_attr); | |
d0d1b24d | 1512 | |
a68ab351 | 1513 | if (parse_stacksize ("OMP_STACKSIZE", &stacksize) |
c4060df4 JJ |
1514 | || parse_stacksize ("GOMP_STACKSIZE", &stacksize) |
1515 | || GOMP_DEFAULT_STACKSIZE) | |
d0d1b24d | 1516 | { |
c3b11a40 RH |
1517 | int err; |
1518 | ||
c3b11a40 RH |
1519 | err = pthread_attr_setstacksize (&gomp_thread_attr, stacksize); |
1520 | ||
1521 | #ifdef PTHREAD_STACK_MIN | |
1522 | if (err == EINVAL) | |
d0d1b24d | 1523 | { |
c3b11a40 RH |
1524 | if (stacksize < PTHREAD_STACK_MIN) |
1525 | gomp_error ("Stack size less than minimum of %luk", | |
1526 | PTHREAD_STACK_MIN / 1024ul | |
1527 | + (PTHREAD_STACK_MIN % 1024 != 0)); | |
1528 | else | |
d0d1b24d | 1529 | gomp_error ("Stack size larger than system limit"); |
d0d1b24d | 1530 | } |
c3b11a40 RH |
1531 | else |
1532 | #endif | |
1533 | if (err != 0) | |
1534 | gomp_error ("Stack size change failed: %s", strerror (err)); | |
d0d1b24d | 1535 | } |
acf0174b JJ |
1536 | |
1537 | handle_omp_display_env (stacksize, wait_policy); | |
41dbbb37 TS |
1538 | |
1539 | /* OpenACC. */ | |
1540 | ||
1541 | if (!parse_int ("ACC_DEVICE_NUM", &goacc_device_num, true)) | |
1542 | goacc_device_num = 0; | |
1543 | ||
1544 | parse_acc_device_type (); | |
ec00d3fa | 1545 | parse_gomp_openacc_dim (); |
41dbbb37 TS |
1546 | |
1547 | goacc_runtime_initialize (); | |
5fae049d TS |
1548 | |
1549 | goacc_profiling_initialize (); | |
953ff289 | 1550 | } |
630e3c3a | 1551 | #endif /* LIBGOMP_OFFLOADED_ONLY */ |