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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 AM |
77 | bool gomp_cancel_var = false; |
78 | int gomp_max_task_priority_var = 0; | |
79 | #ifndef HAVE_SYNC_BUILTINS | |
80 | gomp_mutex_t gomp_managed_threads_lock; | |
81 | #endif | |
82 | unsigned long gomp_available_cpus = 1, gomp_managed_threads = 1; | |
83 | unsigned long long gomp_spin_count_var, gomp_throttled_spin_count_var; | |
84 | unsigned long *gomp_nthreads_var_list, gomp_nthreads_var_list_len; | |
85 | char *gomp_bind_var_list; | |
86 | unsigned long gomp_bind_var_list_len; | |
87 | void **gomp_places_list; | |
88 | unsigned long gomp_places_list_len; | |
800bcc8c | 89 | uintptr_t gomp_def_allocator = omp_default_mem_alloc; |
630e3c3a AM |
90 | int gomp_debug_var; |
91 | unsigned int gomp_num_teams_var; | |
28567c40 JJ |
92 | bool gomp_display_affinity_var; |
93 | char *gomp_affinity_format_var = "level %L thread %i affinity %A"; | |
94 | size_t gomp_affinity_format_len; | |
630e3c3a AM |
95 | char *goacc_device_type; |
96 | int goacc_device_num; | |
ec00d3fa | 97 | int goacc_default_dims[GOMP_DIM_MAX]; |
630e3c3a AM |
98 | |
99 | #ifndef LIBGOMP_OFFLOADED_ONLY | |
953ff289 | 100 | |
953ff289 DN |
101 | /* Parse the OMP_SCHEDULE environment variable. */ |
102 | ||
103 | static void | |
104 | parse_schedule (void) | |
105 | { | |
106 | char *env, *end; | |
6acf0b38 | 107 | unsigned long value; |
28567c40 | 108 | int monotonic = 0; |
953ff289 DN |
109 | |
110 | env = getenv ("OMP_SCHEDULE"); | |
111 | if (env == NULL) | |
112 | return; | |
113 | ||
89b3e3cd JJ |
114 | while (isspace ((unsigned char) *env)) |
115 | ++env; | |
28567c40 JJ |
116 | if (strncasecmp (env, "monotonic", 9) == 0) |
117 | { | |
118 | monotonic = 1; | |
119 | env += 9; | |
120 | } | |
121 | else if (strncasecmp (env, "nonmonotonic", 12) == 0) | |
122 | { | |
123 | monotonic = -1; | |
124 | env += 12; | |
125 | } | |
126 | if (monotonic) | |
127 | { | |
128 | while (isspace ((unsigned char) *env)) | |
129 | ++env; | |
130 | if (*env != ':') | |
131 | goto unknown; | |
132 | ++env; | |
133 | while (isspace ((unsigned char) *env)) | |
134 | ++env; | |
135 | } | |
89b3e3cd | 136 | if (strncasecmp (env, "static", 6) == 0) |
953ff289 | 137 | { |
a68ab351 | 138 | gomp_global_icv.run_sched_var = GFS_STATIC; |
953ff289 DN |
139 | env += 6; |
140 | } | |
89b3e3cd | 141 | else if (strncasecmp (env, "dynamic", 7) == 0) |
953ff289 | 142 | { |
a68ab351 | 143 | gomp_global_icv.run_sched_var = GFS_DYNAMIC; |
953ff289 DN |
144 | env += 7; |
145 | } | |
89b3e3cd | 146 | else if (strncasecmp (env, "guided", 6) == 0) |
953ff289 | 147 | { |
a68ab351 | 148 | gomp_global_icv.run_sched_var = GFS_GUIDED; |
953ff289 DN |
149 | env += 6; |
150 | } | |
a68ab351 JJ |
151 | else if (strncasecmp (env, "auto", 4) == 0) |
152 | { | |
153 | gomp_global_icv.run_sched_var = GFS_AUTO; | |
154 | env += 4; | |
155 | } | |
953ff289 DN |
156 | else |
157 | goto unknown; | |
158 | ||
28567c40 JJ |
159 | if (monotonic == 1 |
160 | || (monotonic == 0 && gomp_global_icv.run_sched_var == GFS_STATIC)) | |
161 | gomp_global_icv.run_sched_var |= GFS_MONOTONIC; | |
162 | ||
89b3e3cd JJ |
163 | while (isspace ((unsigned char) *env)) |
164 | ++env; | |
953ff289 | 165 | if (*env == '\0') |
fb79f500 | 166 | { |
d9a6bd32 | 167 | gomp_global_icv.run_sched_chunk_size |
28567c40 | 168 | = (gomp_global_icv.run_sched_var & ~GFS_MONOTONIC) != GFS_STATIC; |
fb79f500 JJ |
169 | return; |
170 | } | |
89b3e3cd | 171 | if (*env++ != ',') |
953ff289 | 172 | goto unknown; |
89b3e3cd JJ |
173 | while (isspace ((unsigned char) *env)) |
174 | ++env; | |
953ff289 | 175 | if (*env == '\0') |
953ff289 DN |
176 | goto invalid; |
177 | ||
6acf0b38 UB |
178 | errno = 0; |
179 | value = strtoul (env, &end, 10); | |
180 | if (errno) | |
181 | goto invalid; | |
182 | ||
89b3e3cd JJ |
183 | while (isspace ((unsigned char) *end)) |
184 | ++end; | |
953ff289 DN |
185 | if (*end != '\0') |
186 | goto invalid; | |
6acf0b38 | 187 | |
a68ab351 JJ |
188 | if ((int)value != value) |
189 | goto invalid; | |
190 | ||
28567c40 JJ |
191 | if (value == 0 |
192 | && (gomp_global_icv.run_sched_var & ~GFS_MONOTONIC) != GFS_STATIC) | |
fb79f500 | 193 | value = 1; |
d9a6bd32 | 194 | gomp_global_icv.run_sched_chunk_size = value; |
953ff289 DN |
195 | return; |
196 | ||
197 | unknown: | |
198 | gomp_error ("Unknown value for environment variable OMP_SCHEDULE"); | |
199 | return; | |
200 | ||
201 | invalid: | |
202 | gomp_error ("Invalid value for chunk size in " | |
203 | "environment variable OMP_SCHEDULE"); | |
953ff289 DN |
204 | return; |
205 | } | |
206 | ||
a68ab351 | 207 | /* Parse an unsigned long environment variable. Return true if one was |
22f1a037 TV |
208 | present and it was successfully parsed. If SECURE, use secure_getenv to the |
209 | environment variable. */ | |
953ff289 DN |
210 | |
211 | static bool | |
22f1a037 TV |
212 | parse_unsigned_long_1 (const char *name, unsigned long *pvalue, bool allow_zero, |
213 | bool secure) | |
953ff289 DN |
214 | { |
215 | char *env, *end; | |
d0d1b24d | 216 | unsigned long value; |
953ff289 | 217 | |
22f1a037 | 218 | env = (secure ? secure_getenv (name) : getenv (name)); |
953ff289 DN |
219 | if (env == NULL) |
220 | return false; | |
221 | ||
89b3e3cd JJ |
222 | while (isspace ((unsigned char) *env)) |
223 | ++env; | |
953ff289 DN |
224 | if (*env == '\0') |
225 | goto invalid; | |
226 | ||
6acf0b38 | 227 | errno = 0; |
d0d1b24d | 228 | value = strtoul (env, &end, 10); |
80f046cc | 229 | if (errno || (long) value <= 0 - allow_zero) |
6acf0b38 UB |
230 | goto invalid; |
231 | ||
89b3e3cd JJ |
232 | while (isspace ((unsigned char) *end)) |
233 | ++end; | |
953ff289 DN |
234 | if (*end != '\0') |
235 | goto invalid; | |
d0d1b24d RH |
236 | |
237 | *pvalue = value; | |
953ff289 DN |
238 | return true; |
239 | ||
240 | invalid: | |
d0d1b24d | 241 | gomp_error ("Invalid value for environment variable %s", name); |
953ff289 DN |
242 | return false; |
243 | } | |
244 | ||
22f1a037 TV |
245 | /* As parse_unsigned_long_1, but always use getenv. */ |
246 | ||
247 | static bool | |
248 | parse_unsigned_long (const char *name, unsigned long *pvalue, bool allow_zero) | |
249 | { | |
250 | return parse_unsigned_long_1 (name, pvalue, allow_zero, false); | |
251 | } | |
252 | ||
acf0174b | 253 | /* Parse a positive int environment variable. Return true if one was |
22f1a037 TV |
254 | present and it was successfully parsed. If SECURE, use secure_getenv to the |
255 | environment variable. */ | |
acf0174b JJ |
256 | |
257 | static bool | |
22f1a037 | 258 | parse_int_1 (const char *name, int *pvalue, bool allow_zero, bool secure) |
acf0174b JJ |
259 | { |
260 | unsigned long value; | |
22f1a037 | 261 | if (!parse_unsigned_long_1 (name, &value, allow_zero, secure)) |
acf0174b JJ |
262 | return false; |
263 | if (value > INT_MAX) | |
264 | { | |
265 | gomp_error ("Invalid value for environment variable %s", name); | |
266 | return false; | |
267 | } | |
268 | *pvalue = (int) value; | |
269 | return true; | |
270 | } | |
271 | ||
22f1a037 TV |
272 | /* As parse_int_1, but use getenv. */ |
273 | ||
274 | static bool | |
275 | parse_int (const char *name, int *pvalue, bool allow_zero) | |
276 | { | |
277 | return parse_int_1 (name, pvalue, allow_zero, false); | |
278 | } | |
279 | ||
280 | /* As parse_int_1, but use getenv_secure. */ | |
281 | ||
282 | static bool | |
283 | parse_int_secure (const char *name, int *pvalue, bool allow_zero) | |
284 | { | |
285 | return parse_int_1 (name, pvalue, allow_zero, true); | |
286 | } | |
287 | ||
20906c66 JJ |
288 | /* Parse an unsigned long list environment variable. Return true if one was |
289 | present and it was successfully parsed. */ | |
290 | ||
291 | static bool | |
292 | parse_unsigned_long_list (const char *name, unsigned long *p1stvalue, | |
293 | unsigned long **pvalues, | |
294 | unsigned long *pnvalues) | |
295 | { | |
296 | char *env, *end; | |
297 | unsigned long value, *values = NULL; | |
298 | ||
299 | env = getenv (name); | |
300 | if (env == NULL) | |
301 | return false; | |
302 | ||
303 | while (isspace ((unsigned char) *env)) | |
304 | ++env; | |
305 | if (*env == '\0') | |
306 | goto invalid; | |
307 | ||
308 | errno = 0; | |
309 | value = strtoul (env, &end, 10); | |
310 | if (errno || (long) value <= 0) | |
311 | goto invalid; | |
312 | ||
313 | while (isspace ((unsigned char) *end)) | |
314 | ++end; | |
315 | if (*end != '\0') | |
316 | { | |
317 | if (*end == ',') | |
318 | { | |
319 | unsigned long nvalues = 0, nalloced = 0; | |
320 | ||
321 | do | |
322 | { | |
323 | env = end + 1; | |
324 | if (nvalues == nalloced) | |
325 | { | |
326 | unsigned long *n; | |
327 | nalloced = nalloced ? nalloced * 2 : 16; | |
328 | n = realloc (values, nalloced * sizeof (unsigned long)); | |
329 | if (n == NULL) | |
330 | { | |
331 | free (values); | |
332 | gomp_error ("Out of memory while trying to parse" | |
333 | " environment variable %s", name); | |
334 | return false; | |
335 | } | |
336 | values = n; | |
337 | if (nvalues == 0) | |
338 | values[nvalues++] = value; | |
339 | } | |
340 | ||
341 | while (isspace ((unsigned char) *env)) | |
342 | ++env; | |
343 | if (*env == '\0') | |
344 | goto invalid; | |
345 | ||
346 | errno = 0; | |
347 | value = strtoul (env, &end, 10); | |
348 | if (errno || (long) value <= 0) | |
349 | goto invalid; | |
350 | ||
351 | values[nvalues++] = value; | |
352 | while (isspace ((unsigned char) *end)) | |
353 | ++end; | |
354 | if (*end == '\0') | |
355 | break; | |
356 | if (*end != ',') | |
357 | goto invalid; | |
358 | } | |
359 | while (1); | |
360 | *p1stvalue = values[0]; | |
361 | *pvalues = values; | |
362 | *pnvalues = nvalues; | |
363 | return true; | |
364 | } | |
365 | goto invalid; | |
366 | } | |
367 | ||
368 | *p1stvalue = value; | |
369 | return true; | |
370 | ||
371 | invalid: | |
372 | free (values); | |
373 | gomp_error ("Invalid value for environment variable %s", name); | |
374 | return false; | |
375 | } | |
376 | ||
acf0174b JJ |
377 | /* Parse environment variable set to a boolean or list of omp_proc_bind_t |
378 | enum values. Return true if one was present and it was successfully | |
379 | parsed. */ | |
380 | ||
381 | static bool | |
382 | parse_bind_var (const char *name, char *p1stvalue, | |
383 | char **pvalues, unsigned long *pnvalues) | |
384 | { | |
385 | char *env; | |
c8673881 | 386 | char value = omp_proc_bind_false, *values = NULL; |
acf0174b JJ |
387 | int i; |
388 | static struct proc_bind_kinds | |
389 | { | |
390 | const char name[7]; | |
391 | const char len; | |
392 | omp_proc_bind_t kind; | |
393 | } kinds[] = | |
394 | { | |
395 | { "false", 5, omp_proc_bind_false }, | |
396 | { "true", 4, omp_proc_bind_true }, | |
397 | { "master", 6, omp_proc_bind_master }, | |
398 | { "close", 5, omp_proc_bind_close }, | |
399 | { "spread", 6, omp_proc_bind_spread } | |
400 | }; | |
401 | ||
402 | env = getenv (name); | |
403 | if (env == NULL) | |
404 | return false; | |
405 | ||
406 | while (isspace ((unsigned char) *env)) | |
407 | ++env; | |
408 | if (*env == '\0') | |
409 | goto invalid; | |
410 | ||
411 | for (i = 0; i < 5; i++) | |
412 | if (strncasecmp (env, kinds[i].name, kinds[i].len) == 0) | |
413 | { | |
414 | value = kinds[i].kind; | |
415 | env += kinds[i].len; | |
416 | break; | |
417 | } | |
418 | if (i == 5) | |
419 | goto invalid; | |
420 | ||
421 | while (isspace ((unsigned char) *env)) | |
422 | ++env; | |
423 | if (*env != '\0') | |
424 | { | |
425 | if (*env == ',') | |
426 | { | |
427 | unsigned long nvalues = 0, nalloced = 0; | |
428 | ||
429 | if (value == omp_proc_bind_false | |
430 | || value == omp_proc_bind_true) | |
431 | goto invalid; | |
432 | ||
433 | do | |
434 | { | |
435 | env++; | |
436 | if (nvalues == nalloced) | |
437 | { | |
438 | char *n; | |
439 | nalloced = nalloced ? nalloced * 2 : 16; | |
440 | n = realloc (values, nalloced); | |
441 | if (n == NULL) | |
442 | { | |
443 | free (values); | |
444 | gomp_error ("Out of memory while trying to parse" | |
445 | " environment variable %s", name); | |
446 | return false; | |
447 | } | |
448 | values = n; | |
449 | if (nvalues == 0) | |
450 | values[nvalues++] = value; | |
451 | } | |
452 | ||
453 | while (isspace ((unsigned char) *env)) | |
454 | ++env; | |
455 | if (*env == '\0') | |
456 | goto invalid; | |
457 | ||
458 | for (i = 2; i < 5; i++) | |
459 | if (strncasecmp (env, kinds[i].name, kinds[i].len) == 0) | |
460 | { | |
461 | value = kinds[i].kind; | |
462 | env += kinds[i].len; | |
463 | break; | |
464 | } | |
465 | if (i == 5) | |
466 | goto invalid; | |
467 | ||
468 | values[nvalues++] = value; | |
469 | while (isspace ((unsigned char) *env)) | |
470 | ++env; | |
471 | if (*env == '\0') | |
472 | break; | |
473 | if (*env != ',') | |
474 | goto invalid; | |
475 | } | |
476 | while (1); | |
477 | *p1stvalue = values[0]; | |
478 | *pvalues = values; | |
479 | *pnvalues = nvalues; | |
480 | return true; | |
481 | } | |
482 | goto invalid; | |
483 | } | |
484 | ||
485 | *p1stvalue = value; | |
486 | return true; | |
487 | ||
488 | invalid: | |
489 | free (values); | |
490 | gomp_error ("Invalid value for environment variable %s", name); | |
491 | return false; | |
492 | } | |
493 | ||
494 | static bool | |
495 | parse_one_place (char **envp, bool *negatep, unsigned long *lenp, | |
496 | long *stridep) | |
497 | { | |
498 | char *env = *envp, *start; | |
499 | void *p = gomp_places_list ? gomp_places_list[gomp_places_list_len] : NULL; | |
500 | unsigned long len = 1; | |
501 | long stride = 1; | |
502 | int pass; | |
503 | bool any_negate = false; | |
504 | *negatep = false; | |
505 | while (isspace ((unsigned char) *env)) | |
506 | ++env; | |
507 | if (*env == '!') | |
508 | { | |
509 | *negatep = true; | |
510 | ++env; | |
511 | while (isspace ((unsigned char) *env)) | |
512 | ++env; | |
513 | } | |
514 | if (*env != '{') | |
515 | return false; | |
516 | ++env; | |
517 | while (isspace ((unsigned char) *env)) | |
518 | ++env; | |
519 | start = env; | |
520 | for (pass = 0; pass < (any_negate ? 2 : 1); pass++) | |
521 | { | |
522 | env = start; | |
523 | do | |
524 | { | |
525 | unsigned long this_num, this_len = 1; | |
526 | long this_stride = 1; | |
527 | bool this_negate = (*env == '!'); | |
528 | if (this_negate) | |
529 | { | |
530 | if (gomp_places_list) | |
531 | any_negate = true; | |
532 | ++env; | |
533 | while (isspace ((unsigned char) *env)) | |
534 | ++env; | |
535 | } | |
536 | ||
537 | errno = 0; | |
538 | this_num = strtoul (env, &env, 10); | |
539 | if (errno) | |
540 | return false; | |
541 | while (isspace ((unsigned char) *env)) | |
542 | ++env; | |
543 | if (*env == ':') | |
544 | { | |
545 | ++env; | |
546 | while (isspace ((unsigned char) *env)) | |
547 | ++env; | |
548 | errno = 0; | |
549 | this_len = strtoul (env, &env, 10); | |
550 | if (errno || this_len == 0) | |
551 | return false; | |
552 | while (isspace ((unsigned char) *env)) | |
553 | ++env; | |
554 | if (*env == ':') | |
555 | { | |
556 | ++env; | |
557 | while (isspace ((unsigned char) *env)) | |
558 | ++env; | |
559 | errno = 0; | |
560 | this_stride = strtol (env, &env, 10); | |
561 | if (errno) | |
562 | return false; | |
563 | while (isspace ((unsigned char) *env)) | |
564 | ++env; | |
565 | } | |
566 | } | |
567 | if (this_negate && this_len != 1) | |
568 | return false; | |
569 | if (gomp_places_list && pass == this_negate) | |
570 | { | |
571 | if (this_negate) | |
572 | { | |
573 | if (!gomp_affinity_remove_cpu (p, this_num)) | |
574 | return false; | |
575 | } | |
576 | else if (!gomp_affinity_add_cpus (p, this_num, this_len, | |
577 | this_stride, false)) | |
578 | return false; | |
579 | } | |
580 | if (*env == '}') | |
581 | break; | |
582 | if (*env != ',') | |
583 | return false; | |
584 | ++env; | |
585 | } | |
586 | while (1); | |
587 | } | |
588 | ||
589 | ++env; | |
590 | while (isspace ((unsigned char) *env)) | |
591 | ++env; | |
592 | if (*env == ':') | |
593 | { | |
594 | ++env; | |
595 | while (isspace ((unsigned char) *env)) | |
596 | ++env; | |
597 | errno = 0; | |
598 | len = strtoul (env, &env, 10); | |
599 | if (errno || len == 0 || len >= 65536) | |
600 | return false; | |
601 | while (isspace ((unsigned char) *env)) | |
602 | ++env; | |
603 | if (*env == ':') | |
604 | { | |
605 | ++env; | |
606 | while (isspace ((unsigned char) *env)) | |
607 | ++env; | |
608 | errno = 0; | |
609 | stride = strtol (env, &env, 10); | |
610 | if (errno) | |
611 | return false; | |
612 | while (isspace ((unsigned char) *env)) | |
613 | ++env; | |
614 | } | |
615 | } | |
616 | if (*negatep && len != 1) | |
617 | return false; | |
618 | *envp = env; | |
619 | *lenp = len; | |
620 | *stridep = stride; | |
621 | return true; | |
622 | } | |
623 | ||
624 | static bool | |
f89163fd | 625 | parse_places_var (const char *name, bool ignore) |
acf0174b JJ |
626 | { |
627 | char *env = getenv (name), *end; | |
628 | bool any_negate = false; | |
629 | int level = 0; | |
630 | unsigned long count = 0; | |
631 | if (env == NULL) | |
632 | return false; | |
633 | ||
634 | while (isspace ((unsigned char) *env)) | |
635 | ++env; | |
636 | if (*env == '\0') | |
637 | goto invalid; | |
638 | ||
639 | if (strncasecmp (env, "threads", 7) == 0) | |
640 | { | |
641 | env += 7; | |
642 | level = 1; | |
643 | } | |
644 | else if (strncasecmp (env, "cores", 5) == 0) | |
645 | { | |
646 | env += 5; | |
647 | level = 2; | |
648 | } | |
649 | else if (strncasecmp (env, "sockets", 7) == 0) | |
650 | { | |
651 | env += 7; | |
652 | level = 3; | |
653 | } | |
654 | if (level) | |
655 | { | |
656 | count = ULONG_MAX; | |
657 | while (isspace ((unsigned char) *env)) | |
658 | ++env; | |
659 | if (*env != '\0') | |
660 | { | |
661 | if (*env++ != '(') | |
662 | goto invalid; | |
663 | while (isspace ((unsigned char) *env)) | |
664 | ++env; | |
665 | ||
666 | errno = 0; | |
667 | count = strtoul (env, &end, 10); | |
668 | if (errno) | |
669 | goto invalid; | |
670 | env = end; | |
671 | while (isspace ((unsigned char) *env)) | |
672 | ++env; | |
673 | if (*env != ')') | |
674 | goto invalid; | |
675 | ++env; | |
676 | while (isspace ((unsigned char) *env)) | |
677 | ++env; | |
678 | if (*env != '\0') | |
679 | goto invalid; | |
680 | } | |
f89163fd JJ |
681 | |
682 | if (ignore) | |
683 | return false; | |
684 | ||
acf0174b JJ |
685 | return gomp_affinity_init_level (level, count, false); |
686 | } | |
687 | ||
688 | count = 0; | |
689 | end = env; | |
690 | do | |
691 | { | |
692 | bool negate; | |
693 | unsigned long len; | |
694 | long stride; | |
695 | if (!parse_one_place (&end, &negate, &len, &stride)) | |
696 | goto invalid; | |
697 | if (negate) | |
698 | { | |
699 | if (!any_negate) | |
700 | count++; | |
701 | any_negate = true; | |
702 | } | |
703 | else | |
704 | count += len; | |
705 | if (count > 65536) | |
706 | goto invalid; | |
707 | if (*end == '\0') | |
708 | break; | |
709 | if (*end != ',') | |
710 | goto invalid; | |
711 | end++; | |
712 | } | |
713 | while (1); | |
714 | ||
f89163fd | 715 | if (ignore) |
acf0174b JJ |
716 | return false; |
717 | ||
718 | gomp_places_list_len = 0; | |
719 | gomp_places_list = gomp_affinity_alloc (count, false); | |
720 | if (gomp_places_list == NULL) | |
721 | return false; | |
722 | ||
723 | do | |
724 | { | |
725 | bool negate; | |
726 | unsigned long len; | |
727 | long stride; | |
728 | gomp_affinity_init_place (gomp_places_list[gomp_places_list_len]); | |
729 | if (!parse_one_place (&env, &negate, &len, &stride)) | |
730 | goto invalid; | |
731 | if (negate) | |
732 | { | |
733 | void *p; | |
734 | for (count = 0; count < gomp_places_list_len; count++) | |
735 | if (gomp_affinity_same_place | |
736 | (gomp_places_list[count], | |
737 | gomp_places_list[gomp_places_list_len])) | |
738 | break; | |
739 | if (count == gomp_places_list_len) | |
740 | { | |
741 | gomp_error ("Trying to remove a non-existing place from list " | |
742 | "of places"); | |
743 | goto invalid; | |
744 | } | |
745 | p = gomp_places_list[count]; | |
746 | memmove (&gomp_places_list[count], | |
747 | &gomp_places_list[count + 1], | |
748 | (gomp_places_list_len - count - 1) * sizeof (void *)); | |
749 | --gomp_places_list_len; | |
750 | gomp_places_list[gomp_places_list_len] = p; | |
751 | } | |
752 | else if (len == 1) | |
753 | ++gomp_places_list_len; | |
754 | else | |
755 | { | |
756 | for (count = 0; count < len - 1; count++) | |
757 | if (!gomp_affinity_copy_place | |
758 | (gomp_places_list[gomp_places_list_len + count + 1], | |
759 | gomp_places_list[gomp_places_list_len + count], | |
760 | stride)) | |
761 | goto invalid; | |
762 | gomp_places_list_len += len; | |
763 | } | |
764 | if (*env == '\0') | |
765 | break; | |
766 | env++; | |
767 | } | |
768 | while (1); | |
769 | ||
770 | if (gomp_places_list_len == 0) | |
771 | { | |
772 | gomp_error ("All places have been removed"); | |
773 | goto invalid; | |
774 | } | |
775 | if (!gomp_affinity_finalize_place_list (false)) | |
776 | goto invalid; | |
777 | return true; | |
778 | ||
779 | invalid: | |
780 | free (gomp_places_list); | |
781 | gomp_places_list = NULL; | |
782 | gomp_places_list_len = 0; | |
783 | gomp_error ("Invalid value for environment variable %s", name); | |
784 | return false; | |
785 | } | |
786 | ||
a68ab351 JJ |
787 | /* Parse the OMP_STACKSIZE environment varible. Return true if one was |
788 | present and it was successfully parsed. */ | |
789 | ||
790 | static bool | |
791 | parse_stacksize (const char *name, unsigned long *pvalue) | |
792 | { | |
793 | char *env, *end; | |
794 | unsigned long value, shift = 10; | |
795 | ||
796 | env = getenv (name); | |
797 | if (env == NULL) | |
798 | return false; | |
799 | ||
800 | while (isspace ((unsigned char) *env)) | |
801 | ++env; | |
802 | if (*env == '\0') | |
803 | goto invalid; | |
804 | ||
805 | errno = 0; | |
806 | value = strtoul (env, &end, 10); | |
807 | if (errno) | |
808 | goto invalid; | |
809 | ||
810 | while (isspace ((unsigned char) *end)) | |
811 | ++end; | |
812 | if (*end != '\0') | |
813 | { | |
323ff903 | 814 | switch (tolower ((unsigned char) *end)) |
a68ab351 JJ |
815 | { |
816 | case 'b': | |
817 | shift = 0; | |
818 | break; | |
819 | case 'k': | |
820 | break; | |
821 | case 'm': | |
822 | shift = 20; | |
823 | break; | |
824 | case 'g': | |
825 | shift = 30; | |
826 | break; | |
827 | default: | |
828 | goto invalid; | |
829 | } | |
830 | ++end; | |
831 | while (isspace ((unsigned char) *end)) | |
832 | ++end; | |
833 | if (*end != '\0') | |
834 | goto invalid; | |
835 | } | |
836 | ||
837 | if (((value << shift) >> shift) != value) | |
838 | goto invalid; | |
839 | ||
840 | *pvalue = value << shift; | |
841 | return true; | |
842 | ||
843 | invalid: | |
844 | gomp_error ("Invalid value for environment variable %s", name); | |
845 | return false; | |
846 | } | |
847 | ||
848 | /* Parse the GOMP_SPINCOUNT environment varible. Return true if one was | |
849 | present and it was successfully parsed. */ | |
850 | ||
851 | static bool | |
852 | parse_spincount (const char *name, unsigned long long *pvalue) | |
853 | { | |
854 | char *env, *end; | |
855 | unsigned long long value, mult = 1; | |
856 | ||
857 | env = getenv (name); | |
858 | if (env == NULL) | |
859 | return false; | |
860 | ||
861 | while (isspace ((unsigned char) *env)) | |
862 | ++env; | |
863 | if (*env == '\0') | |
864 | goto invalid; | |
865 | ||
866 | if (strncasecmp (env, "infinite", 8) == 0 | |
867 | || strncasecmp (env, "infinity", 8) == 0) | |
868 | { | |
869 | value = ~0ULL; | |
870 | end = env + 8; | |
871 | goto check_tail; | |
872 | } | |
873 | ||
874 | errno = 0; | |
875 | value = strtoull (env, &end, 10); | |
876 | if (errno) | |
877 | goto invalid; | |
878 | ||
879 | while (isspace ((unsigned char) *end)) | |
880 | ++end; | |
881 | if (*end != '\0') | |
882 | { | |
323ff903 | 883 | switch (tolower ((unsigned char) *end)) |
a68ab351 JJ |
884 | { |
885 | case 'k': | |
886 | mult = 1000LL; | |
887 | break; | |
888 | case 'm': | |
889 | mult = 1000LL * 1000LL; | |
890 | break; | |
891 | case 'g': | |
892 | mult = 1000LL * 1000LL * 1000LL; | |
893 | break; | |
894 | case 't': | |
895 | mult = 1000LL * 1000LL * 1000LL * 1000LL; | |
896 | break; | |
897 | default: | |
898 | goto invalid; | |
899 | } | |
900 | ++end; | |
901 | check_tail: | |
902 | while (isspace ((unsigned char) *end)) | |
903 | ++end; | |
904 | if (*end != '\0') | |
905 | goto invalid; | |
906 | } | |
907 | ||
908 | if (value > ~0ULL / mult) | |
909 | value = ~0ULL; | |
910 | else | |
911 | value *= mult; | |
912 | ||
913 | *pvalue = value; | |
914 | return true; | |
915 | ||
916 | invalid: | |
917 | gomp_error ("Invalid value for environment variable %s", name); | |
918 | return false; | |
919 | } | |
920 | ||
921 | /* Parse a boolean value for environment variable NAME and store the | |
953ff289 DN |
922 | result in VALUE. */ |
923 | ||
924 | static void | |
925 | parse_boolean (const char *name, bool *value) | |
926 | { | |
927 | const char *env; | |
928 | ||
929 | env = getenv (name); | |
930 | if (env == NULL) | |
931 | return; | |
932 | ||
89b3e3cd JJ |
933 | while (isspace ((unsigned char) *env)) |
934 | ++env; | |
935 | if (strncasecmp (env, "true", 4) == 0) | |
936 | { | |
937 | *value = true; | |
938 | env += 4; | |
939 | } | |
940 | else if (strncasecmp (env, "false", 5) == 0) | |
941 | { | |
942 | *value = false; | |
943 | env += 5; | |
944 | } | |
953ff289 | 945 | else |
89b3e3cd JJ |
946 | env = "X"; |
947 | while (isspace ((unsigned char) *env)) | |
948 | ++env; | |
949 | if (*env != '\0') | |
d0d1b24d | 950 | gomp_error ("Invalid value for environment variable %s", name); |
953ff289 DN |
951 | } |
952 | ||
800bcc8c | 953 | /* Parse the OMP_WAIT_POLICY environment variable and return the value. */ |
a68ab351 JJ |
954 | |
955 | static int | |
956 | parse_wait_policy (void) | |
957 | { | |
958 | const char *env; | |
959 | int ret = -1; | |
960 | ||
961 | env = getenv ("OMP_WAIT_POLICY"); | |
962 | if (env == NULL) | |
963 | return -1; | |
964 | ||
965 | while (isspace ((unsigned char) *env)) | |
966 | ++env; | |
967 | if (strncasecmp (env, "active", 6) == 0) | |
968 | { | |
969 | ret = 1; | |
970 | env += 6; | |
971 | } | |
972 | else if (strncasecmp (env, "passive", 7) == 0) | |
973 | { | |
974 | ret = 0; | |
975 | env += 7; | |
976 | } | |
977 | else | |
978 | env = "X"; | |
979 | while (isspace ((unsigned char) *env)) | |
980 | ++env; | |
981 | if (*env == '\0') | |
982 | return ret; | |
983 | gomp_error ("Invalid value for environment variable OMP_WAIT_POLICY"); | |
984 | return -1; | |
985 | } | |
986 | ||
a0884cf0 JJ |
987 | /* Parse the GOMP_CPU_AFFINITY environment varible. Return true if one was |
988 | present and it was successfully parsed. */ | |
989 | ||
990 | static bool | |
f89163fd | 991 | parse_affinity (bool ignore) |
a0884cf0 | 992 | { |
acf0174b JJ |
993 | char *env, *end, *start; |
994 | int pass; | |
a0884cf0 | 995 | unsigned long cpu_beg, cpu_end, cpu_stride; |
acf0174b | 996 | size_t count = 0, needed; |
a0884cf0 JJ |
997 | |
998 | env = getenv ("GOMP_CPU_AFFINITY"); | |
999 | if (env == NULL) | |
1000 | return false; | |
1001 | ||
acf0174b JJ |
1002 | start = env; |
1003 | for (pass = 0; pass < 2; pass++) | |
a0884cf0 | 1004 | { |
acf0174b JJ |
1005 | env = start; |
1006 | if (pass == 1) | |
a0884cf0 | 1007 | { |
f89163fd JJ |
1008 | if (ignore) |
1009 | return false; | |
1010 | ||
acf0174b JJ |
1011 | gomp_places_list_len = 0; |
1012 | gomp_places_list = gomp_affinity_alloc (count, true); | |
1013 | if (gomp_places_list == NULL) | |
1014 | return false; | |
1015 | } | |
1016 | do | |
1017 | { | |
1018 | while (isspace ((unsigned char) *env)) | |
1019 | ++env; | |
1020 | ||
1021 | errno = 0; | |
1022 | cpu_beg = strtoul (env, &end, 0); | |
1023 | if (errno || cpu_beg >= 65536) | |
a0884cf0 | 1024 | goto invalid; |
acf0174b JJ |
1025 | cpu_end = cpu_beg; |
1026 | cpu_stride = 1; | |
a0884cf0 JJ |
1027 | |
1028 | env = end; | |
acf0174b | 1029 | if (*env == '-') |
a0884cf0 | 1030 | { |
acf0174b JJ |
1031 | errno = 0; |
1032 | cpu_end = strtoul (++env, &end, 0); | |
1033 | if (errno || cpu_end >= 65536 || cpu_end < cpu_beg) | |
a0884cf0 JJ |
1034 | goto invalid; |
1035 | ||
1036 | env = end; | |
acf0174b JJ |
1037 | if (*env == ':') |
1038 | { | |
1039 | errno = 0; | |
1040 | cpu_stride = strtoul (++env, &end, 0); | |
1041 | if (errno || cpu_stride == 0 || cpu_stride >= 65536) | |
1042 | goto invalid; | |
a0884cf0 | 1043 | |
acf0174b JJ |
1044 | env = end; |
1045 | } | |
1046 | } | |
a0884cf0 | 1047 | |
acf0174b JJ |
1048 | needed = (cpu_end - cpu_beg) / cpu_stride + 1; |
1049 | if (pass == 0) | |
1050 | count += needed; | |
a0884cf0 | 1051 | else |
a0884cf0 | 1052 | { |
acf0174b JJ |
1053 | while (needed--) |
1054 | { | |
1055 | void *p = gomp_places_list[gomp_places_list_len]; | |
1056 | gomp_affinity_init_place (p); | |
1057 | if (gomp_affinity_add_cpus (p, cpu_beg, 1, 0, true)) | |
1058 | ++gomp_places_list_len; | |
1059 | cpu_beg += cpu_stride; | |
1060 | } | |
a0884cf0 JJ |
1061 | } |
1062 | ||
acf0174b JJ |
1063 | while (isspace ((unsigned char) *env)) |
1064 | ++env; | |
a0884cf0 | 1065 | |
acf0174b JJ |
1066 | if (*env == ',') |
1067 | env++; | |
1068 | else if (*env == '\0') | |
1069 | break; | |
a0884cf0 | 1070 | } |
acf0174b | 1071 | while (1); |
a0884cf0 | 1072 | } |
a0884cf0 | 1073 | |
acf0174b JJ |
1074 | if (gomp_places_list_len == 0) |
1075 | { | |
1076 | free (gomp_places_list); | |
1077 | gomp_places_list = NULL; | |
f89163fd | 1078 | return false; |
acf0174b | 1079 | } |
a0884cf0 JJ |
1080 | return true; |
1081 | ||
1082 | invalid: | |
1083 | gomp_error ("Invalid value for enviroment variable GOMP_CPU_AFFINITY"); | |
1084 | return false; | |
1085 | } | |
1086 | ||
800bcc8c JJ |
1087 | /* Parse the OMP_ALLOCATOR environment variable and return the value. */ |
1088 | ||
1089 | static uintptr_t | |
1090 | parse_allocator (void) | |
1091 | { | |
1092 | const char *env; | |
1093 | uintptr_t ret = omp_default_mem_alloc; | |
1094 | ||
1095 | env = getenv ("OMP_ALLOCATOR"); | |
1096 | if (env == NULL) | |
1097 | return ret; | |
1098 | ||
1099 | while (isspace ((unsigned char) *env)) | |
1100 | ++env; | |
1101 | if (0) | |
1102 | ; | |
1103 | #define C(v) \ | |
1104 | else if (strncasecmp (env, #v, sizeof (#v) - 1) == 0) \ | |
1105 | { \ | |
1106 | ret = v; \ | |
1107 | env += sizeof (#v) - 1; \ | |
1108 | } | |
1109 | C (omp_default_mem_alloc) | |
1110 | C (omp_large_cap_mem_alloc) | |
1111 | C (omp_const_mem_alloc) | |
1112 | C (omp_high_bw_mem_alloc) | |
1113 | C (omp_low_lat_mem_alloc) | |
1114 | C (omp_cgroup_mem_alloc) | |
1115 | C (omp_pteam_mem_alloc) | |
1116 | C (omp_thread_mem_alloc) | |
1117 | #undef C | |
1118 | else | |
1119 | env = "X"; | |
1120 | while (isspace ((unsigned char) *env)) | |
1121 | ++env; | |
1122 | if (*env == '\0') | |
1123 | return ret; | |
1124 | gomp_error ("Invalid value for environment variable OMP_ALLOCATOR"); | |
1125 | return omp_default_mem_alloc; | |
1126 | } | |
1127 | ||
41dbbb37 TS |
1128 | static void |
1129 | parse_acc_device_type (void) | |
1130 | { | |
1131 | const char *env = getenv ("ACC_DEVICE_TYPE"); | |
1132 | ||
1133 | if (env && *env != '\0') | |
1134 | goacc_device_type = strdup (env); | |
1135 | else | |
1136 | goacc_device_type = NULL; | |
1137 | } | |
acf0174b | 1138 | |
ec00d3fa TV |
1139 | static void |
1140 | parse_gomp_openacc_dim (void) | |
1141 | { | |
1142 | /* The syntax is the same as for the -fopenacc-dim compilation option. */ | |
1143 | const char *var_name = "GOMP_OPENACC_DIM"; | |
1144 | const char *env_var = getenv (var_name); | |
1145 | if (!env_var) | |
1146 | return; | |
1147 | ||
1148 | const char *pos = env_var; | |
1149 | int i; | |
1150 | for (i = 0; *pos && i != GOMP_DIM_MAX; i++) | |
1151 | { | |
1152 | if (i && *pos++ != ':') | |
1153 | break; | |
1154 | ||
1155 | if (*pos == ':') | |
1156 | continue; | |
1157 | ||
1158 | const char *eptr; | |
1159 | errno = 0; | |
1160 | long val = strtol (pos, (char **)&eptr, 10); | |
1161 | if (errno || val < 0 || (unsigned)val != val) | |
1162 | break; | |
1163 | ||
1164 | goacc_default_dims[i] = (int)val; | |
1165 | pos = eptr; | |
1166 | } | |
1167 | } | |
1168 | ||
acf0174b JJ |
1169 | static void |
1170 | handle_omp_display_env (unsigned long stacksize, int wait_policy) | |
1171 | { | |
1172 | const char *env; | |
1173 | bool display = false; | |
1174 | bool verbose = false; | |
1175 | int i; | |
1176 | ||
1177 | env = getenv ("OMP_DISPLAY_ENV"); | |
1178 | if (env == NULL) | |
1179 | return; | |
1180 | ||
1181 | while (isspace ((unsigned char) *env)) | |
1182 | ++env; | |
1183 | if (strncasecmp (env, "true", 4) == 0) | |
1184 | { | |
1185 | display = true; | |
1186 | env += 4; | |
1187 | } | |
1188 | else if (strncasecmp (env, "false", 5) == 0) | |
1189 | { | |
1190 | display = false; | |
1191 | env += 5; | |
1192 | } | |
1193 | else if (strncasecmp (env, "verbose", 7) == 0) | |
1194 | { | |
1195 | display = true; | |
1196 | verbose = true; | |
1197 | env += 7; | |
1198 | } | |
1199 | else | |
1200 | env = "X"; | |
1201 | while (isspace ((unsigned char) *env)) | |
1202 | ++env; | |
1203 | if (*env != '\0') | |
1204 | gomp_error ("Invalid value for environment variable OMP_DISPLAY_ENV"); | |
1205 | ||
1206 | if (!display) | |
1207 | return; | |
1208 | ||
1209 | fputs ("\nOPENMP DISPLAY ENVIRONMENT BEGIN\n", stderr); | |
1210 | ||
d9a6bd32 | 1211 | fputs (" _OPENMP = '201511'\n", stderr); |
acf0174b JJ |
1212 | fprintf (stderr, " OMP_DYNAMIC = '%s'\n", |
1213 | gomp_global_icv.dyn_var ? "TRUE" : "FALSE"); | |
1214 | fprintf (stderr, " OMP_NESTED = '%s'\n", | |
1215 | gomp_global_icv.nest_var ? "TRUE" : "FALSE"); | |
1216 | ||
1217 | fprintf (stderr, " OMP_NUM_THREADS = '%lu", gomp_global_icv.nthreads_var); | |
1218 | for (i = 1; i < gomp_nthreads_var_list_len; i++) | |
1219 | fprintf (stderr, ",%lu", gomp_nthreads_var_list[i]); | |
1220 | fputs ("'\n", stderr); | |
1221 | ||
1222 | fprintf (stderr, " OMP_SCHEDULE = '"); | |
28567c40 JJ |
1223 | if ((gomp_global_icv.run_sched_var & GFS_MONOTONIC)) |
1224 | { | |
1225 | if (gomp_global_icv.run_sched_var != (GFS_MONOTONIC | GFS_STATIC)) | |
1226 | fputs ("MONOTONIC:", stderr); | |
1227 | } | |
1228 | else if (gomp_global_icv.run_sched_var == GFS_STATIC) | |
1229 | fputs ("NONMONOTONIC:", stderr); | |
1230 | switch (gomp_global_icv.run_sched_var & ~GFS_MONOTONIC) | |
acf0174b JJ |
1231 | { |
1232 | case GFS_RUNTIME: | |
1233 | fputs ("RUNTIME", stderr); | |
28567c40 JJ |
1234 | if (gomp_global_icv.run_sched_chunk_size != 1) |
1235 | fprintf (stderr, ",%d", gomp_global_icv.run_sched_chunk_size); | |
acf0174b JJ |
1236 | break; |
1237 | case GFS_STATIC: | |
1238 | fputs ("STATIC", stderr); | |
28567c40 JJ |
1239 | if (gomp_global_icv.run_sched_chunk_size != 0) |
1240 | fprintf (stderr, ",%d", gomp_global_icv.run_sched_chunk_size); | |
acf0174b JJ |
1241 | break; |
1242 | case GFS_DYNAMIC: | |
1243 | fputs ("DYNAMIC", stderr); | |
28567c40 JJ |
1244 | if (gomp_global_icv.run_sched_chunk_size != 1) |
1245 | fprintf (stderr, ",%d", gomp_global_icv.run_sched_chunk_size); | |
acf0174b JJ |
1246 | break; |
1247 | case GFS_GUIDED: | |
1248 | fputs ("GUIDED", stderr); | |
28567c40 JJ |
1249 | if (gomp_global_icv.run_sched_chunk_size != 1) |
1250 | fprintf (stderr, ",%d", gomp_global_icv.run_sched_chunk_size); | |
acf0174b JJ |
1251 | break; |
1252 | case GFS_AUTO: | |
1253 | fputs ("AUTO", stderr); | |
1254 | break; | |
1255 | } | |
1256 | fputs ("'\n", stderr); | |
1257 | ||
1258 | fputs (" OMP_PROC_BIND = '", stderr); | |
1259 | switch (gomp_global_icv.bind_var) | |
1260 | { | |
1261 | case omp_proc_bind_false: | |
1262 | fputs ("FALSE", stderr); | |
1263 | break; | |
1264 | case omp_proc_bind_true: | |
1265 | fputs ("TRUE", stderr); | |
1266 | break; | |
1267 | case omp_proc_bind_master: | |
1268 | fputs ("MASTER", stderr); | |
1269 | break; | |
1270 | case omp_proc_bind_close: | |
1271 | fputs ("CLOSE", stderr); | |
1272 | break; | |
1273 | case omp_proc_bind_spread: | |
1274 | fputs ("SPREAD", stderr); | |
1275 | break; | |
1276 | } | |
1277 | for (i = 1; i < gomp_bind_var_list_len; i++) | |
1278 | switch (gomp_bind_var_list[i]) | |
1279 | { | |
1280 | case omp_proc_bind_master: | |
1281 | fputs (",MASTER", stderr); | |
1282 | break; | |
1283 | case omp_proc_bind_close: | |
1284 | fputs (",CLOSE", stderr); | |
1285 | break; | |
1286 | case omp_proc_bind_spread: | |
1287 | fputs (",SPREAD", stderr); | |
1288 | break; | |
1289 | } | |
1290 | fputs ("'\n", stderr); | |
1291 | fputs (" OMP_PLACES = '", stderr); | |
1292 | for (i = 0; i < gomp_places_list_len; i++) | |
1293 | { | |
1294 | fputs ("{", stderr); | |
1295 | gomp_affinity_print_place (gomp_places_list[i]); | |
1296 | fputs (i + 1 == gomp_places_list_len ? "}" : "},", stderr); | |
1297 | } | |
1298 | fputs ("'\n", stderr); | |
1299 | ||
1300 | fprintf (stderr, " OMP_STACKSIZE = '%lu'\n", stacksize); | |
1301 | ||
1302 | /* GOMP's default value is actually neither active nor passive. */ | |
1303 | fprintf (stderr, " OMP_WAIT_POLICY = '%s'\n", | |
1304 | wait_policy > 0 ? "ACTIVE" : "PASSIVE"); | |
1305 | fprintf (stderr, " OMP_THREAD_LIMIT = '%u'\n", | |
1306 | gomp_global_icv.thread_limit_var); | |
1307 | fprintf (stderr, " OMP_MAX_ACTIVE_LEVELS = '%lu'\n", | |
1308 | gomp_max_active_levels_var); | |
1309 | ||
1310 | fprintf (stderr, " OMP_CANCELLATION = '%s'\n", | |
1311 | gomp_cancel_var ? "TRUE" : "FALSE"); | |
1312 | fprintf (stderr, " OMP_DEFAULT_DEVICE = '%d'\n", | |
1313 | gomp_global_icv.default_device_var); | |
d9a6bd32 JJ |
1314 | fprintf (stderr, " OMP_MAX_TASK_PRIORITY = '%d'\n", |
1315 | gomp_max_task_priority_var); | |
28567c40 JJ |
1316 | fprintf (stderr, " OMP_DISPLAY_AFFINITY = '%s'\n", |
1317 | gomp_display_affinity_var ? "TRUE" : "FALSE"); | |
1318 | fprintf (stderr, " OMP_AFFINITY_FORMAT = '%s'\n", | |
1319 | gomp_affinity_format_var); | |
800bcc8c JJ |
1320 | fprintf (stderr, " OMP_ALLOCATOR = '"); |
1321 | switch (gomp_def_allocator) | |
1322 | { | |
1323 | #define C(v) case v: fputs (#v, stderr); break; | |
1324 | C (omp_default_mem_alloc) | |
1325 | C (omp_large_cap_mem_alloc) | |
1326 | C (omp_const_mem_alloc) | |
1327 | C (omp_high_bw_mem_alloc) | |
1328 | C (omp_low_lat_mem_alloc) | |
1329 | C (omp_cgroup_mem_alloc) | |
1330 | C (omp_pteam_mem_alloc) | |
1331 | C (omp_thread_mem_alloc) | |
1332 | #undef C | |
1333 | default: break; | |
1334 | } | |
1335 | fputs ("'\n", stderr); | |
acf0174b JJ |
1336 | |
1337 | if (verbose) | |
1338 | { | |
1339 | fputs (" GOMP_CPU_AFFINITY = ''\n", stderr); | |
1340 | fprintf (stderr, " GOMP_STACKSIZE = '%lu'\n", stacksize); | |
1341 | #ifdef HAVE_INTTYPES_H | |
1342 | fprintf (stderr, " GOMP_SPINCOUNT = '%"PRIu64"'\n", | |
1343 | (uint64_t) gomp_spin_count_var); | |
1344 | #else | |
1345 | fprintf (stderr, " GOMP_SPINCOUNT = '%lu'\n", | |
1346 | (unsigned long) gomp_spin_count_var); | |
1347 | #endif | |
1348 | } | |
1349 | ||
1350 | fputs ("OPENMP DISPLAY ENVIRONMENT END\n", stderr); | |
1351 | } | |
1352 | ||
1353 | ||
953ff289 DN |
1354 | static void __attribute__((constructor)) |
1355 | initialize_env (void) | |
1356 | { | |
c4060df4 | 1357 | unsigned long thread_limit_var, stacksize = GOMP_DEFAULT_STACKSIZE; |
a68ab351 | 1358 | int wait_policy; |
d0d1b24d | 1359 | |
953ff289 DN |
1360 | /* Do a compile time check that mkomp_h.pl did good job. */ |
1361 | omp_check_defines (); | |
1362 | ||
1363 | parse_schedule (); | |
a68ab351 JJ |
1364 | parse_boolean ("OMP_DYNAMIC", &gomp_global_icv.dyn_var); |
1365 | parse_boolean ("OMP_NESTED", &gomp_global_icv.nest_var); | |
acf0174b | 1366 | parse_boolean ("OMP_CANCELLATION", &gomp_cancel_var); |
28567c40 | 1367 | parse_boolean ("OMP_DISPLAY_AFFINITY", &gomp_display_affinity_var); |
acf0174b | 1368 | parse_int ("OMP_DEFAULT_DEVICE", &gomp_global_icv.default_device_var, true); |
d9a6bd32 | 1369 | parse_int ("OMP_MAX_TASK_PRIORITY", &gomp_max_task_priority_var, true); |
80f046cc JJ |
1370 | parse_unsigned_long ("OMP_MAX_ACTIVE_LEVELS", &gomp_max_active_levels_var, |
1371 | true); | |
8949b985 KCY |
1372 | if (gomp_max_active_levels_var > gomp_supported_active_levels) |
1373 | gomp_max_active_levels_var = gomp_supported_active_levels; | |
800bcc8c | 1374 | gomp_def_allocator = parse_allocator (); |
acf0174b JJ |
1375 | if (parse_unsigned_long ("OMP_THREAD_LIMIT", &thread_limit_var, false)) |
1376 | { | |
1377 | gomp_global_icv.thread_limit_var | |
1378 | = thread_limit_var > INT_MAX ? UINT_MAX : thread_limit_var; | |
1379 | } | |
22f1a037 | 1380 | parse_int_secure ("GOMP_DEBUG", &gomp_debug_var, true); |
a68ab351 | 1381 | #ifndef HAVE_SYNC_BUILTINS |
acf0174b | 1382 | gomp_mutex_init (&gomp_managed_threads_lock); |
a68ab351 | 1383 | #endif |
a68ab351 JJ |
1384 | gomp_init_num_threads (); |
1385 | gomp_available_cpus = gomp_global_icv.nthreads_var; | |
20906c66 JJ |
1386 | if (!parse_unsigned_long_list ("OMP_NUM_THREADS", |
1387 | &gomp_global_icv.nthreads_var, | |
1388 | &gomp_nthreads_var_list, | |
1389 | &gomp_nthreads_var_list_len)) | |
a68ab351 | 1390 | gomp_global_icv.nthreads_var = gomp_available_cpus; |
f89163fd JJ |
1391 | bool ignore = false; |
1392 | if (parse_bind_var ("OMP_PROC_BIND", | |
1393 | &gomp_global_icv.bind_var, | |
1394 | &gomp_bind_var_list, | |
1395 | &gomp_bind_var_list_len) | |
1396 | && gomp_global_icv.bind_var == omp_proc_bind_false) | |
1397 | ignore = true; | |
1398 | /* Make sure OMP_PLACES and GOMP_CPU_AFFINITY env vars are always | |
1399 | parsed if present in the environment. If OMP_PROC_BIND was set | |
93d90219 | 1400 | explicitly to false, don't populate places list though. If places |
f89163fd JJ |
1401 | list was successfully set from OMP_PLACES, only parse but don't process |
1402 | GOMP_CPU_AFFINITY. If OMP_PROC_BIND was not set in the environment, | |
1403 | default to OMP_PROC_BIND=true if OMP_PLACES or GOMP_CPU_AFFINITY | |
1404 | was successfully parsed into a places list, otherwise to | |
1405 | OMP_PROC_BIND=false. */ | |
1406 | if (parse_places_var ("OMP_PLACES", ignore)) | |
1407 | { | |
1408 | if (gomp_global_icv.bind_var == omp_proc_bind_false) | |
1409 | gomp_global_icv.bind_var = true; | |
1410 | ignore = true; | |
1411 | } | |
1412 | if (parse_affinity (ignore)) | |
1413 | { | |
1414 | if (gomp_global_icv.bind_var == omp_proc_bind_false) | |
1415 | gomp_global_icv.bind_var = true; | |
1416 | ignore = true; | |
1417 | } | |
1418 | if (gomp_global_icv.bind_var != omp_proc_bind_false) | |
a0884cf0 | 1419 | gomp_init_affinity (); |
28567c40 JJ |
1420 | |
1421 | { | |
1422 | const char *env = getenv ("OMP_AFFINITY_FORMAT"); | |
1423 | if (env != NULL) | |
1424 | gomp_set_affinity_format (env, strlen (env)); | |
1425 | } | |
1426 | ||
a68ab351 JJ |
1427 | wait_policy = parse_wait_policy (); |
1428 | if (!parse_spincount ("GOMP_SPINCOUNT", &gomp_spin_count_var)) | |
1429 | { | |
1430 | /* Using a rough estimation of 100000 spins per msec, | |
1431 | use 5 min blocking for OMP_WAIT_POLICY=active, | |
4c698cf8 | 1432 | 3 msec blocking when OMP_WAIT_POLICY is not specificed |
a68ab351 JJ |
1433 | and 0 when OMP_WAIT_POLICY=passive. |
1434 | Depending on the CPU speed, this can be e.g. 5 times longer | |
1435 | or 5 times shorter. */ | |
1436 | if (wait_policy > 0) | |
1437 | gomp_spin_count_var = 30000000000LL; | |
1438 | else if (wait_policy < 0) | |
4c698cf8 | 1439 | gomp_spin_count_var = 300000LL; |
a68ab351 JJ |
1440 | } |
1441 | /* gomp_throttled_spin_count_var is used when there are more libgomp | |
1442 | managed threads than available CPUs. Use very short spinning. */ | |
1443 | if (wait_policy > 0) | |
1444 | gomp_throttled_spin_count_var = 1000LL; | |
1445 | else if (wait_policy < 0) | |
1446 | gomp_throttled_spin_count_var = 100LL; | |
1447 | if (gomp_throttled_spin_count_var > gomp_spin_count_var) | |
1448 | gomp_throttled_spin_count_var = gomp_spin_count_var; | |
d0d1b24d RH |
1449 | |
1450 | /* Not strictly environment related, but ordering constructors is tricky. */ | |
1451 | pthread_attr_init (&gomp_thread_attr); | |
d0d1b24d | 1452 | |
a68ab351 | 1453 | if (parse_stacksize ("OMP_STACKSIZE", &stacksize) |
c4060df4 JJ |
1454 | || parse_stacksize ("GOMP_STACKSIZE", &stacksize) |
1455 | || GOMP_DEFAULT_STACKSIZE) | |
d0d1b24d | 1456 | { |
c3b11a40 RH |
1457 | int err; |
1458 | ||
c3b11a40 RH |
1459 | err = pthread_attr_setstacksize (&gomp_thread_attr, stacksize); |
1460 | ||
1461 | #ifdef PTHREAD_STACK_MIN | |
1462 | if (err == EINVAL) | |
d0d1b24d | 1463 | { |
c3b11a40 RH |
1464 | if (stacksize < PTHREAD_STACK_MIN) |
1465 | gomp_error ("Stack size less than minimum of %luk", | |
1466 | PTHREAD_STACK_MIN / 1024ul | |
1467 | + (PTHREAD_STACK_MIN % 1024 != 0)); | |
1468 | else | |
d0d1b24d | 1469 | gomp_error ("Stack size larger than system limit"); |
d0d1b24d | 1470 | } |
c3b11a40 RH |
1471 | else |
1472 | #endif | |
1473 | if (err != 0) | |
1474 | gomp_error ("Stack size change failed: %s", strerror (err)); | |
d0d1b24d | 1475 | } |
acf0174b JJ |
1476 | |
1477 | handle_omp_display_env (stacksize, wait_policy); | |
41dbbb37 TS |
1478 | |
1479 | /* OpenACC. */ | |
1480 | ||
1481 | if (!parse_int ("ACC_DEVICE_NUM", &goacc_device_num, true)) | |
1482 | goacc_device_num = 0; | |
1483 | ||
1484 | parse_acc_device_type (); | |
ec00d3fa | 1485 | parse_gomp_openacc_dim (); |
41dbbb37 TS |
1486 | |
1487 | goacc_runtime_initialize (); | |
5fae049d TS |
1488 | |
1489 | goacc_profiling_initialize (); | |
953ff289 | 1490 | } |
630e3c3a | 1491 | #endif /* LIBGOMP_OFFLOADED_ONLY */ |