Mercurial > hg > CbC > CbC_gcc
annotate libgomp/env.c @ 143:76e1cf5455ef
add cbc_gc test
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Sun, 23 Dec 2018 19:24:05 +0900 |
| parents | 84e7813d76e9 |
| children | 1830386684a0 |
| rev | line source |
|---|---|
| 131 | 1 /* Copyright (C) 2005-2018 Free Software Foundation, Inc. |
| 0 | 2 Contributed by Richard Henderson <rth@redhat.com>. |
| 3 | |
| 111 | 4 This file is part of the GNU Offloading and Multi Processing Library |
| 5 (libgomp). | |
| 0 | 6 |
| 7 Libgomp is free software; you can redistribute it and/or modify it | |
| 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. | |
| 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 | |
| 14 FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 15 more details. | |
| 16 | |
| 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. | |
| 20 | |
| 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/>. */ | |
| 25 | |
| 111 | 26 /* This file defines the OpenMP internal control variables and arranges |
| 0 | 27 for them to be initialized from environment variables at startup. */ |
| 28 | |
| 111 | 29 #define _GNU_SOURCE |
| 0 | 30 #include "libgomp.h" |
| 111 | 31 #include "gomp-constants.h" |
| 32 #include <limits.h> | |
| 33 #ifndef LIBGOMP_OFFLOADED_ONLY | |
| 0 | 34 #include "libgomp_f.h" |
| 111 | 35 #include "oacc-int.h" |
| 0 | 36 #include <ctype.h> |
| 37 #include <stdlib.h> | |
| 111 | 38 #include <stdio.h> |
| 39 #ifdef HAVE_INTTYPES_H | |
| 40 # include <inttypes.h> /* For PRIu64. */ | |
| 41 #endif | |
| 0 | 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 | |
| 54 #include <errno.h> | |
| 111 | 55 #include "thread-stacksize.h" |
| 0 | 56 |
| 57 #ifndef HAVE_STRTOULL | |
| 58 # define strtoull(ptr, eptr, base) strtoul (ptr, eptr, base) | |
| 59 #endif | |
| 111 | 60 #endif /* LIBGOMP_OFFLOADED_ONLY */ |
| 61 | |
| 62 #include "secure_getenv.h" | |
| 0 | 63 |
| 64 struct gomp_task_icv gomp_global_icv = { | |
| 65 .nthreads_var = 1, | |
| 111 | 66 .thread_limit_var = UINT_MAX, |
| 0 | 67 .run_sched_var = GFS_DYNAMIC, |
| 111 | 68 .run_sched_chunk_size = 1, |
| 69 .default_device_var = 0, | |
| 0 | 70 .dyn_var = false, |
| 111 | 71 .nest_var = false, |
| 72 .bind_var = omp_proc_bind_false, | |
| 73 .target_data = NULL | |
| 0 | 74 }; |
| 75 | |
| 76 unsigned long gomp_max_active_levels_var = INT_MAX; | |
| 111 | 77 bool gomp_cancel_var = false; |
| 78 int gomp_max_task_priority_var = 0; | |
| 0 | 79 #ifndef HAVE_SYNC_BUILTINS |
| 111 | 80 gomp_mutex_t gomp_managed_threads_lock; |
| 0 | 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; | |
| 111 | 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; | |
| 89 int gomp_debug_var; | |
| 90 unsigned int gomp_num_teams_var; | |
| 91 char *goacc_device_type; | |
| 92 int goacc_device_num; | |
| 131 | 93 int goacc_default_dims[GOMP_DIM_MAX]; |
| 111 | 94 |
| 95 #ifndef LIBGOMP_OFFLOADED_ONLY | |
| 0 | 96 |
| 97 /* Parse the OMP_SCHEDULE environment variable. */ | |
| 98 | |
| 99 static void | |
| 100 parse_schedule (void) | |
| 101 { | |
| 102 char *env, *end; | |
| 103 unsigned long value; | |
| 104 | |
| 105 env = getenv ("OMP_SCHEDULE"); | |
| 106 if (env == NULL) | |
| 107 return; | |
| 108 | |
| 109 while (isspace ((unsigned char) *env)) | |
| 110 ++env; | |
| 111 if (strncasecmp (env, "static", 6) == 0) | |
| 112 { | |
| 113 gomp_global_icv.run_sched_var = GFS_STATIC; | |
| 114 env += 6; | |
| 115 } | |
| 116 else if (strncasecmp (env, "dynamic", 7) == 0) | |
| 117 { | |
| 118 gomp_global_icv.run_sched_var = GFS_DYNAMIC; | |
| 119 env += 7; | |
| 120 } | |
| 121 else if (strncasecmp (env, "guided", 6) == 0) | |
| 122 { | |
| 123 gomp_global_icv.run_sched_var = GFS_GUIDED; | |
| 124 env += 6; | |
| 125 } | |
| 126 else if (strncasecmp (env, "auto", 4) == 0) | |
| 127 { | |
| 128 gomp_global_icv.run_sched_var = GFS_AUTO; | |
| 129 env += 4; | |
| 130 } | |
| 131 else | |
| 132 goto unknown; | |
| 133 | |
| 134 while (isspace ((unsigned char) *env)) | |
| 135 ++env; | |
| 136 if (*env == '\0') | |
| 111 | 137 { |
| 138 gomp_global_icv.run_sched_chunk_size | |
| 139 = gomp_global_icv.run_sched_var != GFS_STATIC; | |
| 140 return; | |
| 141 } | |
| 0 | 142 if (*env++ != ',') |
| 143 goto unknown; | |
| 144 while (isspace ((unsigned char) *env)) | |
| 145 ++env; | |
| 146 if (*env == '\0') | |
| 147 goto invalid; | |
| 148 | |
| 149 errno = 0; | |
| 150 value = strtoul (env, &end, 10); | |
| 151 if (errno) | |
| 152 goto invalid; | |
| 153 | |
| 154 while (isspace ((unsigned char) *end)) | |
| 155 ++end; | |
| 156 if (*end != '\0') | |
| 157 goto invalid; | |
| 158 | |
| 159 if ((int)value != value) | |
| 160 goto invalid; | |
| 161 | |
| 111 | 162 if (value == 0 && gomp_global_icv.run_sched_var != GFS_STATIC) |
| 163 value = 1; | |
| 164 gomp_global_icv.run_sched_chunk_size = value; | |
| 0 | 165 return; |
| 166 | |
| 167 unknown: | |
| 168 gomp_error ("Unknown value for environment variable OMP_SCHEDULE"); | |
| 169 return; | |
| 170 | |
| 171 invalid: | |
| 172 gomp_error ("Invalid value for chunk size in " | |
| 173 "environment variable OMP_SCHEDULE"); | |
| 174 return; | |
| 175 } | |
| 176 | |
| 177 /* Parse an unsigned long environment variable. Return true if one was | |
| 111 | 178 present and it was successfully parsed. If SECURE, use secure_getenv to the |
| 179 environment variable. */ | |
| 0 | 180 |
| 181 static bool | |
| 111 | 182 parse_unsigned_long_1 (const char *name, unsigned long *pvalue, bool allow_zero, |
| 183 bool secure) | |
| 0 | 184 { |
| 185 char *env, *end; | |
| 186 unsigned long value; | |
| 187 | |
| 111 | 188 env = (secure ? secure_getenv (name) : getenv (name)); |
| 0 | 189 if (env == NULL) |
| 190 return false; | |
| 191 | |
| 192 while (isspace ((unsigned char) *env)) | |
| 193 ++env; | |
| 194 if (*env == '\0') | |
| 195 goto invalid; | |
| 196 | |
| 197 errno = 0; | |
| 198 value = strtoul (env, &end, 10); | |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
199 if (errno || (long) value <= 0 - allow_zero) |
| 0 | 200 goto invalid; |
| 201 | |
| 202 while (isspace ((unsigned char) *end)) | |
| 203 ++end; | |
| 204 if (*end != '\0') | |
| 205 goto invalid; | |
| 206 | |
| 207 *pvalue = value; | |
| 208 return true; | |
| 209 | |
| 210 invalid: | |
| 211 gomp_error ("Invalid value for environment variable %s", name); | |
| 212 return false; | |
| 213 } | |
| 214 | |
| 111 | 215 /* As parse_unsigned_long_1, but always use getenv. */ |
| 216 | |
| 217 static bool | |
| 218 parse_unsigned_long (const char *name, unsigned long *pvalue, bool allow_zero) | |
| 219 { | |
| 220 return parse_unsigned_long_1 (name, pvalue, allow_zero, false); | |
| 221 } | |
| 222 | |
| 223 /* Parse a positive int environment variable. Return true if one was | |
| 224 present and it was successfully parsed. If SECURE, use secure_getenv to the | |
| 225 environment variable. */ | |
| 226 | |
| 227 static bool | |
| 228 parse_int_1 (const char *name, int *pvalue, bool allow_zero, bool secure) | |
| 229 { | |
| 230 unsigned long value; | |
| 231 if (!parse_unsigned_long_1 (name, &value, allow_zero, secure)) | |
| 232 return false; | |
| 233 if (value > INT_MAX) | |
| 234 { | |
| 235 gomp_error ("Invalid value for environment variable %s", name); | |
| 236 return false; | |
| 237 } | |
| 238 *pvalue = (int) value; | |
| 239 return true; | |
| 240 } | |
| 241 | |
| 242 /* As parse_int_1, but use getenv. */ | |
| 243 | |
| 244 static bool | |
| 245 parse_int (const char *name, int *pvalue, bool allow_zero) | |
| 246 { | |
| 247 return parse_int_1 (name, pvalue, allow_zero, false); | |
| 248 } | |
| 249 | |
| 250 /* As parse_int_1, but use getenv_secure. */ | |
| 251 | |
| 252 static bool | |
| 253 parse_int_secure (const char *name, int *pvalue, bool allow_zero) | |
| 254 { | |
| 255 return parse_int_1 (name, pvalue, allow_zero, true); | |
| 256 } | |
| 257 | |
| 258 /* Parse an unsigned long list environment variable. Return true if one was | |
| 259 present and it was successfully parsed. */ | |
| 260 | |
| 261 static bool | |
| 262 parse_unsigned_long_list (const char *name, unsigned long *p1stvalue, | |
| 263 unsigned long **pvalues, | |
| 264 unsigned long *pnvalues) | |
| 265 { | |
| 266 char *env, *end; | |
| 267 unsigned long value, *values = NULL; | |
| 268 | |
| 269 env = getenv (name); | |
| 270 if (env == NULL) | |
| 271 return false; | |
| 272 | |
| 273 while (isspace ((unsigned char) *env)) | |
| 274 ++env; | |
| 275 if (*env == '\0') | |
| 276 goto invalid; | |
| 277 | |
| 278 errno = 0; | |
| 279 value = strtoul (env, &end, 10); | |
| 280 if (errno || (long) value <= 0) | |
| 281 goto invalid; | |
| 282 | |
| 283 while (isspace ((unsigned char) *end)) | |
| 284 ++end; | |
| 285 if (*end != '\0') | |
| 286 { | |
| 287 if (*end == ',') | |
| 288 { | |
| 289 unsigned long nvalues = 0, nalloced = 0; | |
| 290 | |
| 291 do | |
| 292 { | |
| 293 env = end + 1; | |
| 294 if (nvalues == nalloced) | |
| 295 { | |
| 296 unsigned long *n; | |
| 297 nalloced = nalloced ? nalloced * 2 : 16; | |
| 298 n = realloc (values, nalloced * sizeof (unsigned long)); | |
| 299 if (n == NULL) | |
| 300 { | |
| 301 free (values); | |
| 302 gomp_error ("Out of memory while trying to parse" | |
| 303 " environment variable %s", name); | |
| 304 return false; | |
| 305 } | |
| 306 values = n; | |
| 307 if (nvalues == 0) | |
| 308 values[nvalues++] = value; | |
| 309 } | |
| 310 | |
| 311 while (isspace ((unsigned char) *env)) | |
| 312 ++env; | |
| 313 if (*env == '\0') | |
| 314 goto invalid; | |
| 315 | |
| 316 errno = 0; | |
| 317 value = strtoul (env, &end, 10); | |
| 318 if (errno || (long) value <= 0) | |
| 319 goto invalid; | |
| 320 | |
| 321 values[nvalues++] = value; | |
| 322 while (isspace ((unsigned char) *end)) | |
| 323 ++end; | |
| 324 if (*end == '\0') | |
| 325 break; | |
| 326 if (*end != ',') | |
| 327 goto invalid; | |
| 328 } | |
| 329 while (1); | |
| 330 *p1stvalue = values[0]; | |
| 331 *pvalues = values; | |
| 332 *pnvalues = nvalues; | |
| 333 return true; | |
| 334 } | |
| 335 goto invalid; | |
| 336 } | |
| 337 | |
| 338 *p1stvalue = value; | |
| 339 return true; | |
| 340 | |
| 341 invalid: | |
| 342 free (values); | |
| 343 gomp_error ("Invalid value for environment variable %s", name); | |
| 344 return false; | |
| 345 } | |
| 346 | |
| 347 /* Parse environment variable set to a boolean or list of omp_proc_bind_t | |
| 348 enum values. Return true if one was present and it was successfully | |
| 349 parsed. */ | |
| 350 | |
| 351 static bool | |
| 352 parse_bind_var (const char *name, char *p1stvalue, | |
| 353 char **pvalues, unsigned long *pnvalues) | |
| 354 { | |
| 355 char *env; | |
| 356 char value = omp_proc_bind_false, *values = NULL; | |
| 357 int i; | |
| 358 static struct proc_bind_kinds | |
| 359 { | |
| 360 const char name[7]; | |
| 361 const char len; | |
| 362 omp_proc_bind_t kind; | |
| 363 } kinds[] = | |
| 364 { | |
| 365 { "false", 5, omp_proc_bind_false }, | |
| 366 { "true", 4, omp_proc_bind_true }, | |
| 367 { "master", 6, omp_proc_bind_master }, | |
| 368 { "close", 5, omp_proc_bind_close }, | |
| 369 { "spread", 6, omp_proc_bind_spread } | |
| 370 }; | |
| 371 | |
| 372 env = getenv (name); | |
| 373 if (env == NULL) | |
| 374 return false; | |
| 375 | |
| 376 while (isspace ((unsigned char) *env)) | |
| 377 ++env; | |
| 378 if (*env == '\0') | |
| 379 goto invalid; | |
| 380 | |
| 381 for (i = 0; i < 5; i++) | |
| 382 if (strncasecmp (env, kinds[i].name, kinds[i].len) == 0) | |
| 383 { | |
| 384 value = kinds[i].kind; | |
| 385 env += kinds[i].len; | |
| 386 break; | |
| 387 } | |
| 388 if (i == 5) | |
| 389 goto invalid; | |
| 390 | |
| 391 while (isspace ((unsigned char) *env)) | |
| 392 ++env; | |
| 393 if (*env != '\0') | |
| 394 { | |
| 395 if (*env == ',') | |
| 396 { | |
| 397 unsigned long nvalues = 0, nalloced = 0; | |
| 398 | |
| 399 if (value == omp_proc_bind_false | |
| 400 || value == omp_proc_bind_true) | |
| 401 goto invalid; | |
| 402 | |
| 403 do | |
| 404 { | |
| 405 env++; | |
| 406 if (nvalues == nalloced) | |
| 407 { | |
| 408 char *n; | |
| 409 nalloced = nalloced ? nalloced * 2 : 16; | |
| 410 n = realloc (values, nalloced); | |
| 411 if (n == NULL) | |
| 412 { | |
| 413 free (values); | |
| 414 gomp_error ("Out of memory while trying to parse" | |
| 415 " environment variable %s", name); | |
| 416 return false; | |
| 417 } | |
| 418 values = n; | |
| 419 if (nvalues == 0) | |
| 420 values[nvalues++] = value; | |
| 421 } | |
| 422 | |
| 423 while (isspace ((unsigned char) *env)) | |
| 424 ++env; | |
| 425 if (*env == '\0') | |
| 426 goto invalid; | |
| 427 | |
| 428 for (i = 2; i < 5; i++) | |
| 429 if (strncasecmp (env, kinds[i].name, kinds[i].len) == 0) | |
| 430 { | |
| 431 value = kinds[i].kind; | |
| 432 env += kinds[i].len; | |
| 433 break; | |
| 434 } | |
| 435 if (i == 5) | |
| 436 goto invalid; | |
| 437 | |
| 438 values[nvalues++] = value; | |
| 439 while (isspace ((unsigned char) *env)) | |
| 440 ++env; | |
| 441 if (*env == '\0') | |
| 442 break; | |
| 443 if (*env != ',') | |
| 444 goto invalid; | |
| 445 } | |
| 446 while (1); | |
| 447 *p1stvalue = values[0]; | |
| 448 *pvalues = values; | |
| 449 *pnvalues = nvalues; | |
| 450 return true; | |
| 451 } | |
| 452 goto invalid; | |
| 453 } | |
| 454 | |
| 455 *p1stvalue = value; | |
| 456 return true; | |
| 457 | |
| 458 invalid: | |
| 459 free (values); | |
| 460 gomp_error ("Invalid value for environment variable %s", name); | |
| 461 return false; | |
| 462 } | |
| 463 | |
| 464 static bool | |
| 465 parse_one_place (char **envp, bool *negatep, unsigned long *lenp, | |
| 466 long *stridep) | |
| 467 { | |
| 468 char *env = *envp, *start; | |
| 469 void *p = gomp_places_list ? gomp_places_list[gomp_places_list_len] : NULL; | |
| 470 unsigned long len = 1; | |
| 471 long stride = 1; | |
| 472 int pass; | |
| 473 bool any_negate = false; | |
| 474 *negatep = false; | |
| 475 while (isspace ((unsigned char) *env)) | |
| 476 ++env; | |
| 477 if (*env == '!') | |
| 478 { | |
| 479 *negatep = true; | |
| 480 ++env; | |
| 481 while (isspace ((unsigned char) *env)) | |
| 482 ++env; | |
| 483 } | |
| 484 if (*env != '{') | |
| 485 return false; | |
| 486 ++env; | |
| 487 while (isspace ((unsigned char) *env)) | |
| 488 ++env; | |
| 489 start = env; | |
| 490 for (pass = 0; pass < (any_negate ? 2 : 1); pass++) | |
| 491 { | |
| 492 env = start; | |
| 493 do | |
| 494 { | |
| 495 unsigned long this_num, this_len = 1; | |
| 496 long this_stride = 1; | |
| 497 bool this_negate = (*env == '!'); | |
| 498 if (this_negate) | |
| 499 { | |
| 500 if (gomp_places_list) | |
| 501 any_negate = true; | |
| 502 ++env; | |
| 503 while (isspace ((unsigned char) *env)) | |
| 504 ++env; | |
| 505 } | |
| 506 | |
| 507 errno = 0; | |
| 508 this_num = strtoul (env, &env, 10); | |
| 509 if (errno) | |
| 510 return false; | |
| 511 while (isspace ((unsigned char) *env)) | |
| 512 ++env; | |
| 513 if (*env == ':') | |
| 514 { | |
| 515 ++env; | |
| 516 while (isspace ((unsigned char) *env)) | |
| 517 ++env; | |
| 518 errno = 0; | |
| 519 this_len = strtoul (env, &env, 10); | |
| 520 if (errno || this_len == 0) | |
| 521 return false; | |
| 522 while (isspace ((unsigned char) *env)) | |
| 523 ++env; | |
| 524 if (*env == ':') | |
| 525 { | |
| 526 ++env; | |
| 527 while (isspace ((unsigned char) *env)) | |
| 528 ++env; | |
| 529 errno = 0; | |
| 530 this_stride = strtol (env, &env, 10); | |
| 531 if (errno) | |
| 532 return false; | |
| 533 while (isspace ((unsigned char) *env)) | |
| 534 ++env; | |
| 535 } | |
| 536 } | |
| 537 if (this_negate && this_len != 1) | |
| 538 return false; | |
| 539 if (gomp_places_list && pass == this_negate) | |
| 540 { | |
| 541 if (this_negate) | |
| 542 { | |
| 543 if (!gomp_affinity_remove_cpu (p, this_num)) | |
| 544 return false; | |
| 545 } | |
| 546 else if (!gomp_affinity_add_cpus (p, this_num, this_len, | |
| 547 this_stride, false)) | |
| 548 return false; | |
| 549 } | |
| 550 if (*env == '}') | |
| 551 break; | |
| 552 if (*env != ',') | |
| 553 return false; | |
| 554 ++env; | |
| 555 } | |
| 556 while (1); | |
| 557 } | |
| 558 | |
| 559 ++env; | |
| 560 while (isspace ((unsigned char) *env)) | |
| 561 ++env; | |
| 562 if (*env == ':') | |
| 563 { | |
| 564 ++env; | |
| 565 while (isspace ((unsigned char) *env)) | |
| 566 ++env; | |
| 567 errno = 0; | |
| 568 len = strtoul (env, &env, 10); | |
| 569 if (errno || len == 0 || len >= 65536) | |
| 570 return false; | |
| 571 while (isspace ((unsigned char) *env)) | |
| 572 ++env; | |
| 573 if (*env == ':') | |
| 574 { | |
| 575 ++env; | |
| 576 while (isspace ((unsigned char) *env)) | |
| 577 ++env; | |
| 578 errno = 0; | |
| 579 stride = strtol (env, &env, 10); | |
| 580 if (errno) | |
| 581 return false; | |
| 582 while (isspace ((unsigned char) *env)) | |
| 583 ++env; | |
| 584 } | |
| 585 } | |
| 586 if (*negatep && len != 1) | |
| 587 return false; | |
| 588 *envp = env; | |
| 589 *lenp = len; | |
| 590 *stridep = stride; | |
| 591 return true; | |
| 592 } | |
| 593 | |
| 594 static bool | |
| 595 parse_places_var (const char *name, bool ignore) | |
| 596 { | |
| 597 char *env = getenv (name), *end; | |
| 598 bool any_negate = false; | |
| 599 int level = 0; | |
| 600 unsigned long count = 0; | |
| 601 if (env == NULL) | |
| 602 return false; | |
| 603 | |
| 604 while (isspace ((unsigned char) *env)) | |
| 605 ++env; | |
| 606 if (*env == '\0') | |
| 607 goto invalid; | |
| 608 | |
| 609 if (strncasecmp (env, "threads", 7) == 0) | |
| 610 { | |
| 611 env += 7; | |
| 612 level = 1; | |
| 613 } | |
| 614 else if (strncasecmp (env, "cores", 5) == 0) | |
| 615 { | |
| 616 env += 5; | |
| 617 level = 2; | |
| 618 } | |
| 619 else if (strncasecmp (env, "sockets", 7) == 0) | |
| 620 { | |
| 621 env += 7; | |
| 622 level = 3; | |
| 623 } | |
| 624 if (level) | |
| 625 { | |
| 626 count = ULONG_MAX; | |
| 627 while (isspace ((unsigned char) *env)) | |
| 628 ++env; | |
| 629 if (*env != '\0') | |
| 630 { | |
| 631 if (*env++ != '(') | |
| 632 goto invalid; | |
| 633 while (isspace ((unsigned char) *env)) | |
| 634 ++env; | |
| 635 | |
| 636 errno = 0; | |
| 637 count = strtoul (env, &end, 10); | |
| 638 if (errno) | |
| 639 goto invalid; | |
| 640 env = end; | |
| 641 while (isspace ((unsigned char) *env)) | |
| 642 ++env; | |
| 643 if (*env != ')') | |
| 644 goto invalid; | |
| 645 ++env; | |
| 646 while (isspace ((unsigned char) *env)) | |
| 647 ++env; | |
| 648 if (*env != '\0') | |
| 649 goto invalid; | |
| 650 } | |
| 651 | |
| 652 if (ignore) | |
| 653 return false; | |
| 654 | |
| 655 return gomp_affinity_init_level (level, count, false); | |
| 656 } | |
| 657 | |
| 658 count = 0; | |
| 659 end = env; | |
| 660 do | |
| 661 { | |
| 662 bool negate; | |
| 663 unsigned long len; | |
| 664 long stride; | |
| 665 if (!parse_one_place (&end, &negate, &len, &stride)) | |
| 666 goto invalid; | |
| 667 if (negate) | |
| 668 { | |
| 669 if (!any_negate) | |
| 670 count++; | |
| 671 any_negate = true; | |
| 672 } | |
| 673 else | |
| 674 count += len; | |
| 675 if (count > 65536) | |
| 676 goto invalid; | |
| 677 if (*end == '\0') | |
| 678 break; | |
| 679 if (*end != ',') | |
| 680 goto invalid; | |
| 681 end++; | |
| 682 } | |
| 683 while (1); | |
| 684 | |
| 685 if (ignore) | |
| 686 return false; | |
| 687 | |
| 688 gomp_places_list_len = 0; | |
| 689 gomp_places_list = gomp_affinity_alloc (count, false); | |
| 690 if (gomp_places_list == NULL) | |
| 691 return false; | |
| 692 | |
| 693 do | |
| 694 { | |
| 695 bool negate; | |
| 696 unsigned long len; | |
| 697 long stride; | |
| 698 gomp_affinity_init_place (gomp_places_list[gomp_places_list_len]); | |
| 699 if (!parse_one_place (&env, &negate, &len, &stride)) | |
| 700 goto invalid; | |
| 701 if (negate) | |
| 702 { | |
| 703 void *p; | |
| 704 for (count = 0; count < gomp_places_list_len; count++) | |
| 705 if (gomp_affinity_same_place | |
| 706 (gomp_places_list[count], | |
| 707 gomp_places_list[gomp_places_list_len])) | |
| 708 break; | |
| 709 if (count == gomp_places_list_len) | |
| 710 { | |
| 711 gomp_error ("Trying to remove a non-existing place from list " | |
| 712 "of places"); | |
| 713 goto invalid; | |
| 714 } | |
| 715 p = gomp_places_list[count]; | |
| 716 memmove (&gomp_places_list[count], | |
| 717 &gomp_places_list[count + 1], | |
| 718 (gomp_places_list_len - count - 1) * sizeof (void *)); | |
| 719 --gomp_places_list_len; | |
| 720 gomp_places_list[gomp_places_list_len] = p; | |
| 721 } | |
| 722 else if (len == 1) | |
| 723 ++gomp_places_list_len; | |
| 724 else | |
| 725 { | |
| 726 for (count = 0; count < len - 1; count++) | |
| 727 if (!gomp_affinity_copy_place | |
| 728 (gomp_places_list[gomp_places_list_len + count + 1], | |
| 729 gomp_places_list[gomp_places_list_len + count], | |
| 730 stride)) | |
| 731 goto invalid; | |
| 732 gomp_places_list_len += len; | |
| 733 } | |
| 734 if (*env == '\0') | |
| 735 break; | |
| 736 env++; | |
| 737 } | |
| 738 while (1); | |
| 739 | |
| 740 if (gomp_places_list_len == 0) | |
| 741 { | |
| 742 gomp_error ("All places have been removed"); | |
| 743 goto invalid; | |
| 744 } | |
| 745 if (!gomp_affinity_finalize_place_list (false)) | |
| 746 goto invalid; | |
| 747 return true; | |
| 748 | |
| 749 invalid: | |
| 750 free (gomp_places_list); | |
| 751 gomp_places_list = NULL; | |
| 752 gomp_places_list_len = 0; | |
| 753 gomp_error ("Invalid value for environment variable %s", name); | |
| 754 return false; | |
| 755 } | |
| 756 | |
| 0 | 757 /* Parse the OMP_STACKSIZE environment varible. Return true if one was |
| 758 present and it was successfully parsed. */ | |
| 759 | |
| 760 static bool | |
| 761 parse_stacksize (const char *name, unsigned long *pvalue) | |
| 762 { | |
| 763 char *env, *end; | |
| 764 unsigned long value, shift = 10; | |
| 765 | |
| 766 env = getenv (name); | |
| 767 if (env == NULL) | |
| 768 return false; | |
| 769 | |
| 770 while (isspace ((unsigned char) *env)) | |
| 771 ++env; | |
| 772 if (*env == '\0') | |
| 773 goto invalid; | |
| 774 | |
| 775 errno = 0; | |
| 776 value = strtoul (env, &end, 10); | |
| 777 if (errno) | |
| 778 goto invalid; | |
| 779 | |
| 780 while (isspace ((unsigned char) *end)) | |
| 781 ++end; | |
| 782 if (*end != '\0') | |
| 783 { | |
| 784 switch (tolower ((unsigned char) *end)) | |
| 785 { | |
| 786 case 'b': | |
| 787 shift = 0; | |
| 788 break; | |
| 789 case 'k': | |
| 790 break; | |
| 791 case 'm': | |
| 792 shift = 20; | |
| 793 break; | |
| 794 case 'g': | |
| 795 shift = 30; | |
| 796 break; | |
| 797 default: | |
| 798 goto invalid; | |
| 799 } | |
| 800 ++end; | |
| 801 while (isspace ((unsigned char) *end)) | |
| 802 ++end; | |
| 803 if (*end != '\0') | |
| 804 goto invalid; | |
| 805 } | |
| 806 | |
| 807 if (((value << shift) >> shift) != value) | |
| 808 goto invalid; | |
| 809 | |
| 810 *pvalue = value << shift; | |
| 811 return true; | |
| 812 | |
| 813 invalid: | |
| 814 gomp_error ("Invalid value for environment variable %s", name); | |
| 815 return false; | |
| 816 } | |
| 817 | |
| 818 /* Parse the GOMP_SPINCOUNT environment varible. Return true if one was | |
| 819 present and it was successfully parsed. */ | |
| 820 | |
| 821 static bool | |
| 822 parse_spincount (const char *name, unsigned long long *pvalue) | |
| 823 { | |
| 824 char *env, *end; | |
| 825 unsigned long long value, mult = 1; | |
| 826 | |
| 827 env = getenv (name); | |
| 828 if (env == NULL) | |
| 829 return false; | |
| 830 | |
| 831 while (isspace ((unsigned char) *env)) | |
| 832 ++env; | |
| 833 if (*env == '\0') | |
| 834 goto invalid; | |
| 835 | |
| 836 if (strncasecmp (env, "infinite", 8) == 0 | |
| 837 || strncasecmp (env, "infinity", 8) == 0) | |
| 838 { | |
| 839 value = ~0ULL; | |
| 840 end = env + 8; | |
| 841 goto check_tail; | |
| 842 } | |
| 843 | |
| 844 errno = 0; | |
| 845 value = strtoull (env, &end, 10); | |
| 846 if (errno) | |
| 847 goto invalid; | |
| 848 | |
| 849 while (isspace ((unsigned char) *end)) | |
| 850 ++end; | |
| 851 if (*end != '\0') | |
| 852 { | |
| 853 switch (tolower ((unsigned char) *end)) | |
| 854 { | |
| 855 case 'k': | |
| 856 mult = 1000LL; | |
| 857 break; | |
| 858 case 'm': | |
| 859 mult = 1000LL * 1000LL; | |
| 860 break; | |
| 861 case 'g': | |
| 862 mult = 1000LL * 1000LL * 1000LL; | |
| 863 break; | |
| 864 case 't': | |
| 865 mult = 1000LL * 1000LL * 1000LL * 1000LL; | |
| 866 break; | |
| 867 default: | |
| 868 goto invalid; | |
| 869 } | |
| 870 ++end; | |
| 871 check_tail: | |
| 872 while (isspace ((unsigned char) *end)) | |
| 873 ++end; | |
| 874 if (*end != '\0') | |
| 875 goto invalid; | |
| 876 } | |
| 877 | |
| 878 if (value > ~0ULL / mult) | |
| 879 value = ~0ULL; | |
| 880 else | |
| 881 value *= mult; | |
| 882 | |
| 883 *pvalue = value; | |
| 884 return true; | |
| 885 | |
| 886 invalid: | |
| 887 gomp_error ("Invalid value for environment variable %s", name); | |
| 888 return false; | |
| 889 } | |
| 890 | |
| 891 /* Parse a boolean value for environment variable NAME and store the | |
| 892 result in VALUE. */ | |
| 893 | |
| 894 static void | |
| 895 parse_boolean (const char *name, bool *value) | |
| 896 { | |
| 897 const char *env; | |
| 898 | |
| 899 env = getenv (name); | |
| 900 if (env == NULL) | |
| 901 return; | |
| 902 | |
| 903 while (isspace ((unsigned char) *env)) | |
| 904 ++env; | |
| 905 if (strncasecmp (env, "true", 4) == 0) | |
| 906 { | |
| 907 *value = true; | |
| 908 env += 4; | |
| 909 } | |
| 910 else if (strncasecmp (env, "false", 5) == 0) | |
| 911 { | |
| 912 *value = false; | |
| 913 env += 5; | |
| 914 } | |
| 915 else | |
| 916 env = "X"; | |
| 917 while (isspace ((unsigned char) *env)) | |
| 918 ++env; | |
| 919 if (*env != '\0') | |
| 920 gomp_error ("Invalid value for environment variable %s", name); | |
| 921 } | |
| 922 | |
| 923 /* Parse the OMP_WAIT_POLICY environment variable and store the | |
| 924 result in gomp_active_wait_policy. */ | |
| 925 | |
| 926 static int | |
| 927 parse_wait_policy (void) | |
| 928 { | |
| 929 const char *env; | |
| 930 int ret = -1; | |
| 931 | |
| 932 env = getenv ("OMP_WAIT_POLICY"); | |
| 933 if (env == NULL) | |
| 934 return -1; | |
| 935 | |
| 936 while (isspace ((unsigned char) *env)) | |
| 937 ++env; | |
| 938 if (strncasecmp (env, "active", 6) == 0) | |
| 939 { | |
| 940 ret = 1; | |
| 941 env += 6; | |
| 942 } | |
| 943 else if (strncasecmp (env, "passive", 7) == 0) | |
| 944 { | |
| 945 ret = 0; | |
| 946 env += 7; | |
| 947 } | |
| 948 else | |
| 949 env = "X"; | |
| 950 while (isspace ((unsigned char) *env)) | |
| 951 ++env; | |
| 952 if (*env == '\0') | |
| 953 return ret; | |
| 954 gomp_error ("Invalid value for environment variable OMP_WAIT_POLICY"); | |
| 955 return -1; | |
| 956 } | |
| 957 | |
| 958 /* Parse the GOMP_CPU_AFFINITY environment varible. Return true if one was | |
| 959 present and it was successfully parsed. */ | |
| 960 | |
| 961 static bool | |
| 111 | 962 parse_affinity (bool ignore) |
| 0 | 963 { |
| 111 | 964 char *env, *end, *start; |
| 965 int pass; | |
| 0 | 966 unsigned long cpu_beg, cpu_end, cpu_stride; |
| 111 | 967 size_t count = 0, needed; |
| 0 | 968 |
| 969 env = getenv ("GOMP_CPU_AFFINITY"); | |
| 970 if (env == NULL) | |
| 971 return false; | |
| 972 | |
| 111 | 973 start = env; |
| 974 for (pass = 0; pass < 2; pass++) | |
| 0 | 975 { |
| 111 | 976 env = start; |
| 977 if (pass == 1) | |
| 978 { | |
| 979 if (ignore) | |
| 980 return false; | |
| 0 | 981 |
| 111 | 982 gomp_places_list_len = 0; |
| 983 gomp_places_list = gomp_affinity_alloc (count, true); | |
| 984 if (gomp_places_list == NULL) | |
| 985 return false; | |
| 986 } | |
| 987 do | |
| 988 { | |
| 989 while (isspace ((unsigned char) *env)) | |
| 990 ++env; | |
| 0 | 991 |
| 111 | 992 errno = 0; |
| 993 cpu_beg = strtoul (env, &end, 0); | |
| 994 if (errno || cpu_beg >= 65536) | |
| 0 | 995 goto invalid; |
| 111 | 996 cpu_end = cpu_beg; |
| 997 cpu_stride = 1; | |
| 0 | 998 |
| 999 env = end; | |
| 111 | 1000 if (*env == '-') |
| 0 | 1001 { |
| 111 | 1002 errno = 0; |
| 1003 cpu_end = strtoul (++env, &end, 0); | |
| 1004 if (errno || cpu_end >= 65536 || cpu_end < cpu_beg) | |
| 0 | 1005 goto invalid; |
| 1006 | |
| 1007 env = end; | |
| 111 | 1008 if (*env == ':') |
| 1009 { | |
| 1010 errno = 0; | |
| 1011 cpu_stride = strtoul (++env, &end, 0); | |
| 1012 if (errno || cpu_stride == 0 || cpu_stride >= 65536) | |
| 1013 goto invalid; | |
| 0 | 1014 |
| 111 | 1015 env = end; |
| 1016 } | |
| 0 | 1017 } |
| 1018 | |
| 111 | 1019 needed = (cpu_end - cpu_beg) / cpu_stride + 1; |
| 1020 if (pass == 0) | |
| 1021 count += needed; | |
| 1022 else | |
| 1023 { | |
| 1024 while (needed--) | |
| 1025 { | |
| 1026 void *p = gomp_places_list[gomp_places_list_len]; | |
| 1027 gomp_affinity_init_place (p); | |
| 1028 if (gomp_affinity_add_cpus (p, cpu_beg, 1, 0, true)) | |
| 1029 ++gomp_places_list_len; | |
| 1030 cpu_beg += cpu_stride; | |
| 1031 } | |
| 1032 } | |
| 0 | 1033 |
| 111 | 1034 while (isspace ((unsigned char) *env)) |
| 1035 ++env; | |
| 0 | 1036 |
| 111 | 1037 if (*env == ',') |
| 1038 env++; | |
| 1039 else if (*env == '\0') | |
| 1040 break; | |
| 1041 } | |
| 1042 while (1); | |
| 0 | 1043 } |
| 1044 | |
| 111 | 1045 if (gomp_places_list_len == 0) |
| 1046 { | |
| 1047 free (gomp_places_list); | |
| 1048 gomp_places_list = NULL; | |
| 1049 return false; | |
| 1050 } | |
| 0 | 1051 return true; |
| 1052 | |
| 1053 invalid: | |
| 1054 gomp_error ("Invalid value for enviroment variable GOMP_CPU_AFFINITY"); | |
| 1055 return false; | |
| 1056 } | |
| 1057 | |
| 111 | 1058 static void |
| 1059 parse_acc_device_type (void) | |
| 1060 { | |
| 1061 const char *env = getenv ("ACC_DEVICE_TYPE"); | |
| 1062 | |
| 1063 if (env && *env != '\0') | |
| 1064 goacc_device_type = strdup (env); | |
| 1065 else | |
| 1066 goacc_device_type = NULL; | |
| 1067 } | |
| 1068 | |
| 1069 static void | |
| 131 | 1070 parse_gomp_openacc_dim (void) |
| 1071 { | |
| 1072 /* The syntax is the same as for the -fopenacc-dim compilation option. */ | |
| 1073 const char *var_name = "GOMP_OPENACC_DIM"; | |
| 1074 const char *env_var = getenv (var_name); | |
| 1075 if (!env_var) | |
| 1076 return; | |
| 1077 | |
| 1078 const char *pos = env_var; | |
| 1079 int i; | |
| 1080 for (i = 0; *pos && i != GOMP_DIM_MAX; i++) | |
| 1081 { | |
| 1082 if (i && *pos++ != ':') | |
| 1083 break; | |
| 1084 | |
| 1085 if (*pos == ':') | |
| 1086 continue; | |
| 1087 | |
| 1088 const char *eptr; | |
| 1089 errno = 0; | |
| 1090 long val = strtol (pos, (char **)&eptr, 10); | |
| 1091 if (errno || val < 0 || (unsigned)val != val) | |
| 1092 break; | |
| 1093 | |
| 1094 goacc_default_dims[i] = (int)val; | |
| 1095 pos = eptr; | |
| 1096 } | |
| 1097 } | |
| 1098 | |
| 1099 static void | |
| 111 | 1100 handle_omp_display_env (unsigned long stacksize, int wait_policy) |
| 1101 { | |
| 1102 const char *env; | |
| 1103 bool display = false; | |
| 1104 bool verbose = false; | |
| 1105 int i; | |
| 1106 | |
| 1107 env = getenv ("OMP_DISPLAY_ENV"); | |
| 1108 if (env == NULL) | |
| 1109 return; | |
| 1110 | |
| 1111 while (isspace ((unsigned char) *env)) | |
| 1112 ++env; | |
| 1113 if (strncasecmp (env, "true", 4) == 0) | |
| 1114 { | |
| 1115 display = true; | |
| 1116 env += 4; | |
| 1117 } | |
| 1118 else if (strncasecmp (env, "false", 5) == 0) | |
| 1119 { | |
| 1120 display = false; | |
| 1121 env += 5; | |
| 1122 } | |
| 1123 else if (strncasecmp (env, "verbose", 7) == 0) | |
| 1124 { | |
| 1125 display = true; | |
| 1126 verbose = true; | |
| 1127 env += 7; | |
| 1128 } | |
| 1129 else | |
| 1130 env = "X"; | |
| 1131 while (isspace ((unsigned char) *env)) | |
| 1132 ++env; | |
| 1133 if (*env != '\0') | |
| 1134 gomp_error ("Invalid value for environment variable OMP_DISPLAY_ENV"); | |
| 1135 | |
| 1136 if (!display) | |
| 1137 return; | |
| 1138 | |
| 1139 fputs ("\nOPENMP DISPLAY ENVIRONMENT BEGIN\n", stderr); | |
| 1140 | |
| 1141 fputs (" _OPENMP = '201511'\n", stderr); | |
| 1142 fprintf (stderr, " OMP_DYNAMIC = '%s'\n", | |
| 1143 gomp_global_icv.dyn_var ? "TRUE" : "FALSE"); | |
| 1144 fprintf (stderr, " OMP_NESTED = '%s'\n", | |
| 1145 gomp_global_icv.nest_var ? "TRUE" : "FALSE"); | |
| 1146 | |
| 1147 fprintf (stderr, " OMP_NUM_THREADS = '%lu", gomp_global_icv.nthreads_var); | |
| 1148 for (i = 1; i < gomp_nthreads_var_list_len; i++) | |
| 1149 fprintf (stderr, ",%lu", gomp_nthreads_var_list[i]); | |
| 1150 fputs ("'\n", stderr); | |
| 1151 | |
| 1152 fprintf (stderr, " OMP_SCHEDULE = '"); | |
| 1153 switch (gomp_global_icv.run_sched_var) | |
| 1154 { | |
| 1155 case GFS_RUNTIME: | |
| 1156 fputs ("RUNTIME", stderr); | |
| 1157 break; | |
| 1158 case GFS_STATIC: | |
| 1159 fputs ("STATIC", stderr); | |
| 1160 break; | |
| 1161 case GFS_DYNAMIC: | |
| 1162 fputs ("DYNAMIC", stderr); | |
| 1163 break; | |
| 1164 case GFS_GUIDED: | |
| 1165 fputs ("GUIDED", stderr); | |
| 1166 break; | |
| 1167 case GFS_AUTO: | |
| 1168 fputs ("AUTO", stderr); | |
| 1169 break; | |
| 1170 } | |
| 1171 fputs ("'\n", stderr); | |
| 1172 | |
| 1173 fputs (" OMP_PROC_BIND = '", stderr); | |
| 1174 switch (gomp_global_icv.bind_var) | |
| 1175 { | |
| 1176 case omp_proc_bind_false: | |
| 1177 fputs ("FALSE", stderr); | |
| 1178 break; | |
| 1179 case omp_proc_bind_true: | |
| 1180 fputs ("TRUE", stderr); | |
| 1181 break; | |
| 1182 case omp_proc_bind_master: | |
| 1183 fputs ("MASTER", stderr); | |
| 1184 break; | |
| 1185 case omp_proc_bind_close: | |
| 1186 fputs ("CLOSE", stderr); | |
| 1187 break; | |
| 1188 case omp_proc_bind_spread: | |
| 1189 fputs ("SPREAD", stderr); | |
| 1190 break; | |
| 1191 } | |
| 1192 for (i = 1; i < gomp_bind_var_list_len; i++) | |
| 1193 switch (gomp_bind_var_list[i]) | |
| 1194 { | |
| 1195 case omp_proc_bind_master: | |
| 1196 fputs (",MASTER", stderr); | |
| 1197 break; | |
| 1198 case omp_proc_bind_close: | |
| 1199 fputs (",CLOSE", stderr); | |
| 1200 break; | |
| 1201 case omp_proc_bind_spread: | |
| 1202 fputs (",SPREAD", stderr); | |
| 1203 break; | |
| 1204 } | |
| 1205 fputs ("'\n", stderr); | |
| 1206 fputs (" OMP_PLACES = '", stderr); | |
| 1207 for (i = 0; i < gomp_places_list_len; i++) | |
| 1208 { | |
| 1209 fputs ("{", stderr); | |
| 1210 gomp_affinity_print_place (gomp_places_list[i]); | |
| 1211 fputs (i + 1 == gomp_places_list_len ? "}" : "},", stderr); | |
| 1212 } | |
| 1213 fputs ("'\n", stderr); | |
| 1214 | |
| 1215 fprintf (stderr, " OMP_STACKSIZE = '%lu'\n", stacksize); | |
| 1216 | |
| 1217 /* GOMP's default value is actually neither active nor passive. */ | |
| 1218 fprintf (stderr, " OMP_WAIT_POLICY = '%s'\n", | |
| 1219 wait_policy > 0 ? "ACTIVE" : "PASSIVE"); | |
| 1220 fprintf (stderr, " OMP_THREAD_LIMIT = '%u'\n", | |
| 1221 gomp_global_icv.thread_limit_var); | |
| 1222 fprintf (stderr, " OMP_MAX_ACTIVE_LEVELS = '%lu'\n", | |
| 1223 gomp_max_active_levels_var); | |
| 1224 | |
| 1225 fprintf (stderr, " OMP_CANCELLATION = '%s'\n", | |
| 1226 gomp_cancel_var ? "TRUE" : "FALSE"); | |
| 1227 fprintf (stderr, " OMP_DEFAULT_DEVICE = '%d'\n", | |
| 1228 gomp_global_icv.default_device_var); | |
| 1229 fprintf (stderr, " OMP_MAX_TASK_PRIORITY = '%d'\n", | |
| 1230 gomp_max_task_priority_var); | |
| 1231 | |
| 1232 if (verbose) | |
| 1233 { | |
| 1234 fputs (" GOMP_CPU_AFFINITY = ''\n", stderr); | |
| 1235 fprintf (stderr, " GOMP_STACKSIZE = '%lu'\n", stacksize); | |
| 1236 #ifdef HAVE_INTTYPES_H | |
| 1237 fprintf (stderr, " GOMP_SPINCOUNT = '%"PRIu64"'\n", | |
| 1238 (uint64_t) gomp_spin_count_var); | |
| 1239 #else | |
| 1240 fprintf (stderr, " GOMP_SPINCOUNT = '%lu'\n", | |
| 1241 (unsigned long) gomp_spin_count_var); | |
| 1242 #endif | |
| 1243 } | |
| 1244 | |
| 1245 fputs ("OPENMP DISPLAY ENVIRONMENT END\n", stderr); | |
| 1246 } | |
| 1247 | |
| 1248 | |
| 0 | 1249 static void __attribute__((constructor)) |
| 1250 initialize_env (void) | |
| 1251 { | |
| 111 | 1252 unsigned long thread_limit_var, stacksize = GOMP_DEFAULT_STACKSIZE; |
| 0 | 1253 int wait_policy; |
| 1254 | |
| 1255 /* Do a compile time check that mkomp_h.pl did good job. */ | |
| 1256 omp_check_defines (); | |
| 1257 | |
| 1258 parse_schedule (); | |
| 1259 parse_boolean ("OMP_DYNAMIC", &gomp_global_icv.dyn_var); | |
| 1260 parse_boolean ("OMP_NESTED", &gomp_global_icv.nest_var); | |
| 111 | 1261 parse_boolean ("OMP_CANCELLATION", &gomp_cancel_var); |
| 1262 parse_int ("OMP_DEFAULT_DEVICE", &gomp_global_icv.default_device_var, true); | |
| 1263 parse_int ("OMP_MAX_TASK_PRIORITY", &gomp_max_task_priority_var, true); | |
|
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1264 parse_unsigned_long ("OMP_MAX_ACTIVE_LEVELS", &gomp_max_active_levels_var, |
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1265 true); |
| 111 | 1266 if (parse_unsigned_long ("OMP_THREAD_LIMIT", &thread_limit_var, false)) |
| 1267 { | |
| 1268 gomp_global_icv.thread_limit_var | |
| 1269 = thread_limit_var > INT_MAX ? UINT_MAX : thread_limit_var; | |
| 1270 } | |
| 1271 parse_int_secure ("GOMP_DEBUG", &gomp_debug_var, true); | |
| 0 | 1272 #ifndef HAVE_SYNC_BUILTINS |
| 111 | 1273 gomp_mutex_init (&gomp_managed_threads_lock); |
| 0 | 1274 #endif |
| 1275 gomp_init_num_threads (); | |
| 1276 gomp_available_cpus = gomp_global_icv.nthreads_var; | |
| 111 | 1277 if (!parse_unsigned_long_list ("OMP_NUM_THREADS", |
| 1278 &gomp_global_icv.nthreads_var, | |
| 1279 &gomp_nthreads_var_list, | |
| 1280 &gomp_nthreads_var_list_len)) | |
| 0 | 1281 gomp_global_icv.nthreads_var = gomp_available_cpus; |
| 111 | 1282 bool ignore = false; |
| 1283 if (parse_bind_var ("OMP_PROC_BIND", | |
| 1284 &gomp_global_icv.bind_var, | |
| 1285 &gomp_bind_var_list, | |
| 1286 &gomp_bind_var_list_len) | |
| 1287 && gomp_global_icv.bind_var == omp_proc_bind_false) | |
| 1288 ignore = true; | |
| 1289 /* Make sure OMP_PLACES and GOMP_CPU_AFFINITY env vars are always | |
| 1290 parsed if present in the environment. If OMP_PROC_BIND was set | |
| 1291 explictly to false, don't populate places list though. If places | |
| 1292 list was successfully set from OMP_PLACES, only parse but don't process | |
| 1293 GOMP_CPU_AFFINITY. If OMP_PROC_BIND was not set in the environment, | |
| 1294 default to OMP_PROC_BIND=true if OMP_PLACES or GOMP_CPU_AFFINITY | |
| 1295 was successfully parsed into a places list, otherwise to | |
| 1296 OMP_PROC_BIND=false. */ | |
| 1297 if (parse_places_var ("OMP_PLACES", ignore)) | |
| 1298 { | |
| 1299 if (gomp_global_icv.bind_var == omp_proc_bind_false) | |
| 1300 gomp_global_icv.bind_var = true; | |
| 1301 ignore = true; | |
| 1302 } | |
| 1303 if (parse_affinity (ignore)) | |
| 1304 { | |
| 1305 if (gomp_global_icv.bind_var == omp_proc_bind_false) | |
| 1306 gomp_global_icv.bind_var = true; | |
| 1307 ignore = true; | |
| 1308 } | |
| 1309 if (gomp_global_icv.bind_var != omp_proc_bind_false) | |
| 0 | 1310 gomp_init_affinity (); |
| 1311 wait_policy = parse_wait_policy (); | |
| 1312 if (!parse_spincount ("GOMP_SPINCOUNT", &gomp_spin_count_var)) | |
| 1313 { | |
| 1314 /* Using a rough estimation of 100000 spins per msec, | |
| 1315 use 5 min blocking for OMP_WAIT_POLICY=active, | |
|
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1316 3 msec blocking when OMP_WAIT_POLICY is not specificed |
| 0 | 1317 and 0 when OMP_WAIT_POLICY=passive. |
| 1318 Depending on the CPU speed, this can be e.g. 5 times longer | |
| 1319 or 5 times shorter. */ | |
| 1320 if (wait_policy > 0) | |
| 1321 gomp_spin_count_var = 30000000000LL; | |
| 1322 else if (wait_policy < 0) | |
|
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1323 gomp_spin_count_var = 300000LL; |
| 0 | 1324 } |
| 1325 /* gomp_throttled_spin_count_var is used when there are more libgomp | |
| 1326 managed threads than available CPUs. Use very short spinning. */ | |
| 1327 if (wait_policy > 0) | |
| 1328 gomp_throttled_spin_count_var = 1000LL; | |
| 1329 else if (wait_policy < 0) | |
| 1330 gomp_throttled_spin_count_var = 100LL; | |
| 1331 if (gomp_throttled_spin_count_var > gomp_spin_count_var) | |
| 1332 gomp_throttled_spin_count_var = gomp_spin_count_var; | |
| 1333 | |
| 1334 /* Not strictly environment related, but ordering constructors is tricky. */ | |
| 1335 pthread_attr_init (&gomp_thread_attr); | |
| 1336 pthread_attr_setdetachstate (&gomp_thread_attr, PTHREAD_CREATE_DETACHED); | |
| 1337 | |
| 1338 if (parse_stacksize ("OMP_STACKSIZE", &stacksize) | |
| 111 | 1339 || parse_stacksize ("GOMP_STACKSIZE", &stacksize) |
| 1340 || GOMP_DEFAULT_STACKSIZE) | |
| 0 | 1341 { |
| 1342 int err; | |
| 1343 | |
| 1344 err = pthread_attr_setstacksize (&gomp_thread_attr, stacksize); | |
| 1345 | |
| 1346 #ifdef PTHREAD_STACK_MIN | |
| 1347 if (err == EINVAL) | |
| 1348 { | |
| 1349 if (stacksize < PTHREAD_STACK_MIN) | |
| 1350 gomp_error ("Stack size less than minimum of %luk", | |
| 1351 PTHREAD_STACK_MIN / 1024ul | |
| 1352 + (PTHREAD_STACK_MIN % 1024 != 0)); | |
| 1353 else | |
| 1354 gomp_error ("Stack size larger than system limit"); | |
| 1355 } | |
| 1356 else | |
| 1357 #endif | |
| 1358 if (err != 0) | |
| 1359 gomp_error ("Stack size change failed: %s", strerror (err)); | |
| 1360 } | |
| 1361 | |
| 111 | 1362 handle_omp_display_env (stacksize, wait_policy); |
| 0 | 1363 |
| 111 | 1364 /* OpenACC. */ |
| 0 | 1365 |
| 111 | 1366 if (!parse_int ("ACC_DEVICE_NUM", &goacc_device_num, true)) |
| 1367 goacc_device_num = 0; | |
| 0 | 1368 |
| 111 | 1369 parse_acc_device_type (); |
| 131 | 1370 parse_gomp_openacc_dim (); |
| 0 | 1371 |
| 111 | 1372 goacc_runtime_initialize (); |
| 0 | 1373 } |
| 111 | 1374 #endif /* LIBGOMP_OFFLOADED_ONLY */ |