Mercurial > hg > CbC > CbC_gcc
annotate libgomp/env.c @ 121:49957f95a4d1
fix fntype
| author | anatofuz |
|---|---|
| date | Fri, 09 Mar 2018 19:18:14 +0900 |
| parents | 04ced10e8804 |
| children | 84e7813d76e9 |
| rev | line source |
|---|---|
| 111 | 1 /* Copyright (C) 2005-2017 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; | |
| 93 | |
| 94 #ifndef LIBGOMP_OFFLOADED_ONLY | |
| 0 | 95 |
| 96 /* Parse the OMP_SCHEDULE environment variable. */ | |
| 97 | |
| 98 static void | |
| 99 parse_schedule (void) | |
| 100 { | |
| 101 char *env, *end; | |
| 102 unsigned long value; | |
| 103 | |
| 104 env = getenv ("OMP_SCHEDULE"); | |
| 105 if (env == NULL) | |
| 106 return; | |
| 107 | |
| 108 while (isspace ((unsigned char) *env)) | |
| 109 ++env; | |
| 110 if (strncasecmp (env, "static", 6) == 0) | |
| 111 { | |
| 112 gomp_global_icv.run_sched_var = GFS_STATIC; | |
| 113 env += 6; | |
| 114 } | |
| 115 else if (strncasecmp (env, "dynamic", 7) == 0) | |
| 116 { | |
| 117 gomp_global_icv.run_sched_var = GFS_DYNAMIC; | |
| 118 env += 7; | |
| 119 } | |
| 120 else if (strncasecmp (env, "guided", 6) == 0) | |
| 121 { | |
| 122 gomp_global_icv.run_sched_var = GFS_GUIDED; | |
| 123 env += 6; | |
| 124 } | |
| 125 else if (strncasecmp (env, "auto", 4) == 0) | |
| 126 { | |
| 127 gomp_global_icv.run_sched_var = GFS_AUTO; | |
| 128 env += 4; | |
| 129 } | |
| 130 else | |
| 131 goto unknown; | |
| 132 | |
| 133 while (isspace ((unsigned char) *env)) | |
| 134 ++env; | |
| 135 if (*env == '\0') | |
| 111 | 136 { |
| 137 gomp_global_icv.run_sched_chunk_size | |
| 138 = gomp_global_icv.run_sched_var != GFS_STATIC; | |
| 139 return; | |
| 140 } | |
| 0 | 141 if (*env++ != ',') |
| 142 goto unknown; | |
| 143 while (isspace ((unsigned char) *env)) | |
| 144 ++env; | |
| 145 if (*env == '\0') | |
| 146 goto invalid; | |
| 147 | |
| 148 errno = 0; | |
| 149 value = strtoul (env, &end, 10); | |
| 150 if (errno) | |
| 151 goto invalid; | |
| 152 | |
| 153 while (isspace ((unsigned char) *end)) | |
| 154 ++end; | |
| 155 if (*end != '\0') | |
| 156 goto invalid; | |
| 157 | |
| 158 if ((int)value != value) | |
| 159 goto invalid; | |
| 160 | |
| 111 | 161 if (value == 0 && gomp_global_icv.run_sched_var != GFS_STATIC) |
| 162 value = 1; | |
| 163 gomp_global_icv.run_sched_chunk_size = value; | |
| 0 | 164 return; |
| 165 | |
| 166 unknown: | |
| 167 gomp_error ("Unknown value for environment variable OMP_SCHEDULE"); | |
| 168 return; | |
| 169 | |
| 170 invalid: | |
| 171 gomp_error ("Invalid value for chunk size in " | |
| 172 "environment variable OMP_SCHEDULE"); | |
| 173 return; | |
| 174 } | |
| 175 | |
| 176 /* Parse an unsigned long environment variable. Return true if one was | |
| 111 | 177 present and it was successfully parsed. If SECURE, use secure_getenv to the |
| 178 environment variable. */ | |
| 0 | 179 |
| 180 static bool | |
| 111 | 181 parse_unsigned_long_1 (const char *name, unsigned long *pvalue, bool allow_zero, |
| 182 bool secure) | |
| 0 | 183 { |
| 184 char *env, *end; | |
| 185 unsigned long value; | |
| 186 | |
| 111 | 187 env = (secure ? secure_getenv (name) : getenv (name)); |
| 0 | 188 if (env == NULL) |
| 189 return false; | |
| 190 | |
| 191 while (isspace ((unsigned char) *env)) | |
| 192 ++env; | |
| 193 if (*env == '\0') | |
| 194 goto invalid; | |
| 195 | |
| 196 errno = 0; | |
| 197 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
|
198 if (errno || (long) value <= 0 - allow_zero) |
| 0 | 199 goto invalid; |
| 200 | |
| 201 while (isspace ((unsigned char) *end)) | |
| 202 ++end; | |
| 203 if (*end != '\0') | |
| 204 goto invalid; | |
| 205 | |
| 206 *pvalue = value; | |
| 207 return true; | |
| 208 | |
| 209 invalid: | |
| 210 gomp_error ("Invalid value for environment variable %s", name); | |
| 211 return false; | |
| 212 } | |
| 213 | |
| 111 | 214 /* As parse_unsigned_long_1, but always use getenv. */ |
| 215 | |
| 216 static bool | |
| 217 parse_unsigned_long (const char *name, unsigned long *pvalue, bool allow_zero) | |
| 218 { | |
| 219 return parse_unsigned_long_1 (name, pvalue, allow_zero, false); | |
| 220 } | |
| 221 | |
| 222 /* Parse a positive int environment variable. Return true if one was | |
| 223 present and it was successfully parsed. If SECURE, use secure_getenv to the | |
| 224 environment variable. */ | |
| 225 | |
| 226 static bool | |
| 227 parse_int_1 (const char *name, int *pvalue, bool allow_zero, bool secure) | |
| 228 { | |
| 229 unsigned long value; | |
| 230 if (!parse_unsigned_long_1 (name, &value, allow_zero, secure)) | |
| 231 return false; | |
| 232 if (value > INT_MAX) | |
| 233 { | |
| 234 gomp_error ("Invalid value for environment variable %s", name); | |
| 235 return false; | |
| 236 } | |
| 237 *pvalue = (int) value; | |
| 238 return true; | |
| 239 } | |
| 240 | |
| 241 /* As parse_int_1, but use getenv. */ | |
| 242 | |
| 243 static bool | |
| 244 parse_int (const char *name, int *pvalue, bool allow_zero) | |
| 245 { | |
| 246 return parse_int_1 (name, pvalue, allow_zero, false); | |
| 247 } | |
| 248 | |
| 249 /* As parse_int_1, but use getenv_secure. */ | |
| 250 | |
| 251 static bool | |
| 252 parse_int_secure (const char *name, int *pvalue, bool allow_zero) | |
| 253 { | |
| 254 return parse_int_1 (name, pvalue, allow_zero, true); | |
| 255 } | |
| 256 | |
| 257 /* Parse an unsigned long list environment variable. Return true if one was | |
| 258 present and it was successfully parsed. */ | |
| 259 | |
| 260 static bool | |
| 261 parse_unsigned_long_list (const char *name, unsigned long *p1stvalue, | |
| 262 unsigned long **pvalues, | |
| 263 unsigned long *pnvalues) | |
| 264 { | |
| 265 char *env, *end; | |
| 266 unsigned long value, *values = NULL; | |
| 267 | |
| 268 env = getenv (name); | |
| 269 if (env == NULL) | |
| 270 return false; | |
| 271 | |
| 272 while (isspace ((unsigned char) *env)) | |
| 273 ++env; | |
| 274 if (*env == '\0') | |
| 275 goto invalid; | |
| 276 | |
| 277 errno = 0; | |
| 278 value = strtoul (env, &end, 10); | |
| 279 if (errno || (long) value <= 0) | |
| 280 goto invalid; | |
| 281 | |
| 282 while (isspace ((unsigned char) *end)) | |
| 283 ++end; | |
| 284 if (*end != '\0') | |
| 285 { | |
| 286 if (*end == ',') | |
| 287 { | |
| 288 unsigned long nvalues = 0, nalloced = 0; | |
| 289 | |
| 290 do | |
| 291 { | |
| 292 env = end + 1; | |
| 293 if (nvalues == nalloced) | |
| 294 { | |
| 295 unsigned long *n; | |
| 296 nalloced = nalloced ? nalloced * 2 : 16; | |
| 297 n = realloc (values, nalloced * sizeof (unsigned long)); | |
| 298 if (n == NULL) | |
| 299 { | |
| 300 free (values); | |
| 301 gomp_error ("Out of memory while trying to parse" | |
| 302 " environment variable %s", name); | |
| 303 return false; | |
| 304 } | |
| 305 values = n; | |
| 306 if (nvalues == 0) | |
| 307 values[nvalues++] = value; | |
| 308 } | |
| 309 | |
| 310 while (isspace ((unsigned char) *env)) | |
| 311 ++env; | |
| 312 if (*env == '\0') | |
| 313 goto invalid; | |
| 314 | |
| 315 errno = 0; | |
| 316 value = strtoul (env, &end, 10); | |
| 317 if (errno || (long) value <= 0) | |
| 318 goto invalid; | |
| 319 | |
| 320 values[nvalues++] = value; | |
| 321 while (isspace ((unsigned char) *end)) | |
| 322 ++end; | |
| 323 if (*end == '\0') | |
| 324 break; | |
| 325 if (*end != ',') | |
| 326 goto invalid; | |
| 327 } | |
| 328 while (1); | |
| 329 *p1stvalue = values[0]; | |
| 330 *pvalues = values; | |
| 331 *pnvalues = nvalues; | |
| 332 return true; | |
| 333 } | |
| 334 goto invalid; | |
| 335 } | |
| 336 | |
| 337 *p1stvalue = value; | |
| 338 return true; | |
| 339 | |
| 340 invalid: | |
| 341 free (values); | |
| 342 gomp_error ("Invalid value for environment variable %s", name); | |
| 343 return false; | |
| 344 } | |
| 345 | |
| 346 /* Parse environment variable set to a boolean or list of omp_proc_bind_t | |
| 347 enum values. Return true if one was present and it was successfully | |
| 348 parsed. */ | |
| 349 | |
| 350 static bool | |
| 351 parse_bind_var (const char *name, char *p1stvalue, | |
| 352 char **pvalues, unsigned long *pnvalues) | |
| 353 { | |
| 354 char *env; | |
| 355 char value = omp_proc_bind_false, *values = NULL; | |
| 356 int i; | |
| 357 static struct proc_bind_kinds | |
| 358 { | |
| 359 const char name[7]; | |
| 360 const char len; | |
| 361 omp_proc_bind_t kind; | |
| 362 } kinds[] = | |
| 363 { | |
| 364 { "false", 5, omp_proc_bind_false }, | |
| 365 { "true", 4, omp_proc_bind_true }, | |
| 366 { "master", 6, omp_proc_bind_master }, | |
| 367 { "close", 5, omp_proc_bind_close }, | |
| 368 { "spread", 6, omp_proc_bind_spread } | |
| 369 }; | |
| 370 | |
| 371 env = getenv (name); | |
| 372 if (env == NULL) | |
| 373 return false; | |
| 374 | |
| 375 while (isspace ((unsigned char) *env)) | |
| 376 ++env; | |
| 377 if (*env == '\0') | |
| 378 goto invalid; | |
| 379 | |
| 380 for (i = 0; i < 5; i++) | |
| 381 if (strncasecmp (env, kinds[i].name, kinds[i].len) == 0) | |
| 382 { | |
| 383 value = kinds[i].kind; | |
| 384 env += kinds[i].len; | |
| 385 break; | |
| 386 } | |
| 387 if (i == 5) | |
| 388 goto invalid; | |
| 389 | |
| 390 while (isspace ((unsigned char) *env)) | |
| 391 ++env; | |
| 392 if (*env != '\0') | |
| 393 { | |
| 394 if (*env == ',') | |
| 395 { | |
| 396 unsigned long nvalues = 0, nalloced = 0; | |
| 397 | |
| 398 if (value == omp_proc_bind_false | |
| 399 || value == omp_proc_bind_true) | |
| 400 goto invalid; | |
| 401 | |
| 402 do | |
| 403 { | |
| 404 env++; | |
| 405 if (nvalues == nalloced) | |
| 406 { | |
| 407 char *n; | |
| 408 nalloced = nalloced ? nalloced * 2 : 16; | |
| 409 n = realloc (values, nalloced); | |
| 410 if (n == NULL) | |
| 411 { | |
| 412 free (values); | |
| 413 gomp_error ("Out of memory while trying to parse" | |
| 414 " environment variable %s", name); | |
| 415 return false; | |
| 416 } | |
| 417 values = n; | |
| 418 if (nvalues == 0) | |
| 419 values[nvalues++] = value; | |
| 420 } | |
| 421 | |
| 422 while (isspace ((unsigned char) *env)) | |
| 423 ++env; | |
| 424 if (*env == '\0') | |
| 425 goto invalid; | |
| 426 | |
| 427 for (i = 2; i < 5; i++) | |
| 428 if (strncasecmp (env, kinds[i].name, kinds[i].len) == 0) | |
| 429 { | |
| 430 value = kinds[i].kind; | |
| 431 env += kinds[i].len; | |
| 432 break; | |
| 433 } | |
| 434 if (i == 5) | |
| 435 goto invalid; | |
| 436 | |
| 437 values[nvalues++] = value; | |
| 438 while (isspace ((unsigned char) *env)) | |
| 439 ++env; | |
| 440 if (*env == '\0') | |
| 441 break; | |
| 442 if (*env != ',') | |
| 443 goto invalid; | |
| 444 } | |
| 445 while (1); | |
| 446 *p1stvalue = values[0]; | |
| 447 *pvalues = values; | |
| 448 *pnvalues = nvalues; | |
| 449 return true; | |
| 450 } | |
| 451 goto invalid; | |
| 452 } | |
| 453 | |
| 454 *p1stvalue = value; | |
| 455 return true; | |
| 456 | |
| 457 invalid: | |
| 458 free (values); | |
| 459 gomp_error ("Invalid value for environment variable %s", name); | |
| 460 return false; | |
| 461 } | |
| 462 | |
| 463 static bool | |
| 464 parse_one_place (char **envp, bool *negatep, unsigned long *lenp, | |
| 465 long *stridep) | |
| 466 { | |
| 467 char *env = *envp, *start; | |
| 468 void *p = gomp_places_list ? gomp_places_list[gomp_places_list_len] : NULL; | |
| 469 unsigned long len = 1; | |
| 470 long stride = 1; | |
| 471 int pass; | |
| 472 bool any_negate = false; | |
| 473 *negatep = false; | |
| 474 while (isspace ((unsigned char) *env)) | |
| 475 ++env; | |
| 476 if (*env == '!') | |
| 477 { | |
| 478 *negatep = true; | |
| 479 ++env; | |
| 480 while (isspace ((unsigned char) *env)) | |
| 481 ++env; | |
| 482 } | |
| 483 if (*env != '{') | |
| 484 return false; | |
| 485 ++env; | |
| 486 while (isspace ((unsigned char) *env)) | |
| 487 ++env; | |
| 488 start = env; | |
| 489 for (pass = 0; pass < (any_negate ? 2 : 1); pass++) | |
| 490 { | |
| 491 env = start; | |
| 492 do | |
| 493 { | |
| 494 unsigned long this_num, this_len = 1; | |
| 495 long this_stride = 1; | |
| 496 bool this_negate = (*env == '!'); | |
| 497 if (this_negate) | |
| 498 { | |
| 499 if (gomp_places_list) | |
| 500 any_negate = true; | |
| 501 ++env; | |
| 502 while (isspace ((unsigned char) *env)) | |
| 503 ++env; | |
| 504 } | |
| 505 | |
| 506 errno = 0; | |
| 507 this_num = strtoul (env, &env, 10); | |
| 508 if (errno) | |
| 509 return false; | |
| 510 while (isspace ((unsigned char) *env)) | |
| 511 ++env; | |
| 512 if (*env == ':') | |
| 513 { | |
| 514 ++env; | |
| 515 while (isspace ((unsigned char) *env)) | |
| 516 ++env; | |
| 517 errno = 0; | |
| 518 this_len = strtoul (env, &env, 10); | |
| 519 if (errno || this_len == 0) | |
| 520 return false; | |
| 521 while (isspace ((unsigned char) *env)) | |
| 522 ++env; | |
| 523 if (*env == ':') | |
| 524 { | |
| 525 ++env; | |
| 526 while (isspace ((unsigned char) *env)) | |
| 527 ++env; | |
| 528 errno = 0; | |
| 529 this_stride = strtol (env, &env, 10); | |
| 530 if (errno) | |
| 531 return false; | |
| 532 while (isspace ((unsigned char) *env)) | |
| 533 ++env; | |
| 534 } | |
| 535 } | |
| 536 if (this_negate && this_len != 1) | |
| 537 return false; | |
| 538 if (gomp_places_list && pass == this_negate) | |
| 539 { | |
| 540 if (this_negate) | |
| 541 { | |
| 542 if (!gomp_affinity_remove_cpu (p, this_num)) | |
| 543 return false; | |
| 544 } | |
| 545 else if (!gomp_affinity_add_cpus (p, this_num, this_len, | |
| 546 this_stride, false)) | |
| 547 return false; | |
| 548 } | |
| 549 if (*env == '}') | |
| 550 break; | |
| 551 if (*env != ',') | |
| 552 return false; | |
| 553 ++env; | |
| 554 } | |
| 555 while (1); | |
| 556 } | |
| 557 | |
| 558 ++env; | |
| 559 while (isspace ((unsigned char) *env)) | |
| 560 ++env; | |
| 561 if (*env == ':') | |
| 562 { | |
| 563 ++env; | |
| 564 while (isspace ((unsigned char) *env)) | |
| 565 ++env; | |
| 566 errno = 0; | |
| 567 len = strtoul (env, &env, 10); | |
| 568 if (errno || len == 0 || len >= 65536) | |
| 569 return false; | |
| 570 while (isspace ((unsigned char) *env)) | |
| 571 ++env; | |
| 572 if (*env == ':') | |
| 573 { | |
| 574 ++env; | |
| 575 while (isspace ((unsigned char) *env)) | |
| 576 ++env; | |
| 577 errno = 0; | |
| 578 stride = strtol (env, &env, 10); | |
| 579 if (errno) | |
| 580 return false; | |
| 581 while (isspace ((unsigned char) *env)) | |
| 582 ++env; | |
| 583 } | |
| 584 } | |
| 585 if (*negatep && len != 1) | |
| 586 return false; | |
| 587 *envp = env; | |
| 588 *lenp = len; | |
| 589 *stridep = stride; | |
| 590 return true; | |
| 591 } | |
| 592 | |
| 593 static bool | |
| 594 parse_places_var (const char *name, bool ignore) | |
| 595 { | |
| 596 char *env = getenv (name), *end; | |
| 597 bool any_negate = false; | |
| 598 int level = 0; | |
| 599 unsigned long count = 0; | |
| 600 if (env == NULL) | |
| 601 return false; | |
| 602 | |
| 603 while (isspace ((unsigned char) *env)) | |
| 604 ++env; | |
| 605 if (*env == '\0') | |
| 606 goto invalid; | |
| 607 | |
| 608 if (strncasecmp (env, "threads", 7) == 0) | |
| 609 { | |
| 610 env += 7; | |
| 611 level = 1; | |
| 612 } | |
| 613 else if (strncasecmp (env, "cores", 5) == 0) | |
| 614 { | |
| 615 env += 5; | |
| 616 level = 2; | |
| 617 } | |
| 618 else if (strncasecmp (env, "sockets", 7) == 0) | |
| 619 { | |
| 620 env += 7; | |
| 621 level = 3; | |
| 622 } | |
| 623 if (level) | |
| 624 { | |
| 625 count = ULONG_MAX; | |
| 626 while (isspace ((unsigned char) *env)) | |
| 627 ++env; | |
| 628 if (*env != '\0') | |
| 629 { | |
| 630 if (*env++ != '(') | |
| 631 goto invalid; | |
| 632 while (isspace ((unsigned char) *env)) | |
| 633 ++env; | |
| 634 | |
| 635 errno = 0; | |
| 636 count = strtoul (env, &end, 10); | |
| 637 if (errno) | |
| 638 goto invalid; | |
| 639 env = end; | |
| 640 while (isspace ((unsigned char) *env)) | |
| 641 ++env; | |
| 642 if (*env != ')') | |
| 643 goto invalid; | |
| 644 ++env; | |
| 645 while (isspace ((unsigned char) *env)) | |
| 646 ++env; | |
| 647 if (*env != '\0') | |
| 648 goto invalid; | |
| 649 } | |
| 650 | |
| 651 if (ignore) | |
| 652 return false; | |
| 653 | |
| 654 return gomp_affinity_init_level (level, count, false); | |
| 655 } | |
| 656 | |
| 657 count = 0; | |
| 658 end = env; | |
| 659 do | |
| 660 { | |
| 661 bool negate; | |
| 662 unsigned long len; | |
| 663 long stride; | |
| 664 if (!parse_one_place (&end, &negate, &len, &stride)) | |
| 665 goto invalid; | |
| 666 if (negate) | |
| 667 { | |
| 668 if (!any_negate) | |
| 669 count++; | |
| 670 any_negate = true; | |
| 671 } | |
| 672 else | |
| 673 count += len; | |
| 674 if (count > 65536) | |
| 675 goto invalid; | |
| 676 if (*end == '\0') | |
| 677 break; | |
| 678 if (*end != ',') | |
| 679 goto invalid; | |
| 680 end++; | |
| 681 } | |
| 682 while (1); | |
| 683 | |
| 684 if (ignore) | |
| 685 return false; | |
| 686 | |
| 687 gomp_places_list_len = 0; | |
| 688 gomp_places_list = gomp_affinity_alloc (count, false); | |
| 689 if (gomp_places_list == NULL) | |
| 690 return false; | |
| 691 | |
| 692 do | |
| 693 { | |
| 694 bool negate; | |
| 695 unsigned long len; | |
| 696 long stride; | |
| 697 gomp_affinity_init_place (gomp_places_list[gomp_places_list_len]); | |
| 698 if (!parse_one_place (&env, &negate, &len, &stride)) | |
| 699 goto invalid; | |
| 700 if (negate) | |
| 701 { | |
| 702 void *p; | |
| 703 for (count = 0; count < gomp_places_list_len; count++) | |
| 704 if (gomp_affinity_same_place | |
| 705 (gomp_places_list[count], | |
| 706 gomp_places_list[gomp_places_list_len])) | |
| 707 break; | |
| 708 if (count == gomp_places_list_len) | |
| 709 { | |
| 710 gomp_error ("Trying to remove a non-existing place from list " | |
| 711 "of places"); | |
| 712 goto invalid; | |
| 713 } | |
| 714 p = gomp_places_list[count]; | |
| 715 memmove (&gomp_places_list[count], | |
| 716 &gomp_places_list[count + 1], | |
| 717 (gomp_places_list_len - count - 1) * sizeof (void *)); | |
| 718 --gomp_places_list_len; | |
| 719 gomp_places_list[gomp_places_list_len] = p; | |
| 720 } | |
| 721 else if (len == 1) | |
| 722 ++gomp_places_list_len; | |
| 723 else | |
| 724 { | |
| 725 for (count = 0; count < len - 1; count++) | |
| 726 if (!gomp_affinity_copy_place | |
| 727 (gomp_places_list[gomp_places_list_len + count + 1], | |
| 728 gomp_places_list[gomp_places_list_len + count], | |
| 729 stride)) | |
| 730 goto invalid; | |
| 731 gomp_places_list_len += len; | |
| 732 } | |
| 733 if (*env == '\0') | |
| 734 break; | |
| 735 env++; | |
| 736 } | |
| 737 while (1); | |
| 738 | |
| 739 if (gomp_places_list_len == 0) | |
| 740 { | |
| 741 gomp_error ("All places have been removed"); | |
| 742 goto invalid; | |
| 743 } | |
| 744 if (!gomp_affinity_finalize_place_list (false)) | |
| 745 goto invalid; | |
| 746 return true; | |
| 747 | |
| 748 invalid: | |
| 749 free (gomp_places_list); | |
| 750 gomp_places_list = NULL; | |
| 751 gomp_places_list_len = 0; | |
| 752 gomp_error ("Invalid value for environment variable %s", name); | |
| 753 return false; | |
| 754 } | |
| 755 | |
| 0 | 756 /* Parse the OMP_STACKSIZE environment varible. Return true if one was |
| 757 present and it was successfully parsed. */ | |
| 758 | |
| 759 static bool | |
| 760 parse_stacksize (const char *name, unsigned long *pvalue) | |
| 761 { | |
| 762 char *env, *end; | |
| 763 unsigned long value, shift = 10; | |
| 764 | |
| 765 env = getenv (name); | |
| 766 if (env == NULL) | |
| 767 return false; | |
| 768 | |
| 769 while (isspace ((unsigned char) *env)) | |
| 770 ++env; | |
| 771 if (*env == '\0') | |
| 772 goto invalid; | |
| 773 | |
| 774 errno = 0; | |
| 775 value = strtoul (env, &end, 10); | |
| 776 if (errno) | |
| 777 goto invalid; | |
| 778 | |
| 779 while (isspace ((unsigned char) *end)) | |
| 780 ++end; | |
| 781 if (*end != '\0') | |
| 782 { | |
| 783 switch (tolower ((unsigned char) *end)) | |
| 784 { | |
| 785 case 'b': | |
| 786 shift = 0; | |
| 787 break; | |
| 788 case 'k': | |
| 789 break; | |
| 790 case 'm': | |
| 791 shift = 20; | |
| 792 break; | |
| 793 case 'g': | |
| 794 shift = 30; | |
| 795 break; | |
| 796 default: | |
| 797 goto invalid; | |
| 798 } | |
| 799 ++end; | |
| 800 while (isspace ((unsigned char) *end)) | |
| 801 ++end; | |
| 802 if (*end != '\0') | |
| 803 goto invalid; | |
| 804 } | |
| 805 | |
| 806 if (((value << shift) >> shift) != value) | |
| 807 goto invalid; | |
| 808 | |
| 809 *pvalue = value << shift; | |
| 810 return true; | |
| 811 | |
| 812 invalid: | |
| 813 gomp_error ("Invalid value for environment variable %s", name); | |
| 814 return false; | |
| 815 } | |
| 816 | |
| 817 /* Parse the GOMP_SPINCOUNT environment varible. Return true if one was | |
| 818 present and it was successfully parsed. */ | |
| 819 | |
| 820 static bool | |
| 821 parse_spincount (const char *name, unsigned long long *pvalue) | |
| 822 { | |
| 823 char *env, *end; | |
| 824 unsigned long long value, mult = 1; | |
| 825 | |
| 826 env = getenv (name); | |
| 827 if (env == NULL) | |
| 828 return false; | |
| 829 | |
| 830 while (isspace ((unsigned char) *env)) | |
| 831 ++env; | |
| 832 if (*env == '\0') | |
| 833 goto invalid; | |
| 834 | |
| 835 if (strncasecmp (env, "infinite", 8) == 0 | |
| 836 || strncasecmp (env, "infinity", 8) == 0) | |
| 837 { | |
| 838 value = ~0ULL; | |
| 839 end = env + 8; | |
| 840 goto check_tail; | |
| 841 } | |
| 842 | |
| 843 errno = 0; | |
| 844 value = strtoull (env, &end, 10); | |
| 845 if (errno) | |
| 846 goto invalid; | |
| 847 | |
| 848 while (isspace ((unsigned char) *end)) | |
| 849 ++end; | |
| 850 if (*end != '\0') | |
| 851 { | |
| 852 switch (tolower ((unsigned char) *end)) | |
| 853 { | |
| 854 case 'k': | |
| 855 mult = 1000LL; | |
| 856 break; | |
| 857 case 'm': | |
| 858 mult = 1000LL * 1000LL; | |
| 859 break; | |
| 860 case 'g': | |
| 861 mult = 1000LL * 1000LL * 1000LL; | |
| 862 break; | |
| 863 case 't': | |
| 864 mult = 1000LL * 1000LL * 1000LL * 1000LL; | |
| 865 break; | |
| 866 default: | |
| 867 goto invalid; | |
| 868 } | |
| 869 ++end; | |
| 870 check_tail: | |
| 871 while (isspace ((unsigned char) *end)) | |
| 872 ++end; | |
| 873 if (*end != '\0') | |
| 874 goto invalid; | |
| 875 } | |
| 876 | |
| 877 if (value > ~0ULL / mult) | |
| 878 value = ~0ULL; | |
| 879 else | |
| 880 value *= mult; | |
| 881 | |
| 882 *pvalue = value; | |
| 883 return true; | |
| 884 | |
| 885 invalid: | |
| 886 gomp_error ("Invalid value for environment variable %s", name); | |
| 887 return false; | |
| 888 } | |
| 889 | |
| 890 /* Parse a boolean value for environment variable NAME and store the | |
| 891 result in VALUE. */ | |
| 892 | |
| 893 static void | |
| 894 parse_boolean (const char *name, bool *value) | |
| 895 { | |
| 896 const char *env; | |
| 897 | |
| 898 env = getenv (name); | |
| 899 if (env == NULL) | |
| 900 return; | |
| 901 | |
| 902 while (isspace ((unsigned char) *env)) | |
| 903 ++env; | |
| 904 if (strncasecmp (env, "true", 4) == 0) | |
| 905 { | |
| 906 *value = true; | |
| 907 env += 4; | |
| 908 } | |
| 909 else if (strncasecmp (env, "false", 5) == 0) | |
| 910 { | |
| 911 *value = false; | |
| 912 env += 5; | |
| 913 } | |
| 914 else | |
| 915 env = "X"; | |
| 916 while (isspace ((unsigned char) *env)) | |
| 917 ++env; | |
| 918 if (*env != '\0') | |
| 919 gomp_error ("Invalid value for environment variable %s", name); | |
| 920 } | |
| 921 | |
| 922 /* Parse the OMP_WAIT_POLICY environment variable and store the | |
| 923 result in gomp_active_wait_policy. */ | |
| 924 | |
| 925 static int | |
| 926 parse_wait_policy (void) | |
| 927 { | |
| 928 const char *env; | |
| 929 int ret = -1; | |
| 930 | |
| 931 env = getenv ("OMP_WAIT_POLICY"); | |
| 932 if (env == NULL) | |
| 933 return -1; | |
| 934 | |
| 935 while (isspace ((unsigned char) *env)) | |
| 936 ++env; | |
| 937 if (strncasecmp (env, "active", 6) == 0) | |
| 938 { | |
| 939 ret = 1; | |
| 940 env += 6; | |
| 941 } | |
| 942 else if (strncasecmp (env, "passive", 7) == 0) | |
| 943 { | |
| 944 ret = 0; | |
| 945 env += 7; | |
| 946 } | |
| 947 else | |
| 948 env = "X"; | |
| 949 while (isspace ((unsigned char) *env)) | |
| 950 ++env; | |
| 951 if (*env == '\0') | |
| 952 return ret; | |
| 953 gomp_error ("Invalid value for environment variable OMP_WAIT_POLICY"); | |
| 954 return -1; | |
| 955 } | |
| 956 | |
| 957 /* Parse the GOMP_CPU_AFFINITY environment varible. Return true if one was | |
| 958 present and it was successfully parsed. */ | |
| 959 | |
| 960 static bool | |
| 111 | 961 parse_affinity (bool ignore) |
| 0 | 962 { |
| 111 | 963 char *env, *end, *start; |
| 964 int pass; | |
| 0 | 965 unsigned long cpu_beg, cpu_end, cpu_stride; |
| 111 | 966 size_t count = 0, needed; |
| 0 | 967 |
| 968 env = getenv ("GOMP_CPU_AFFINITY"); | |
| 969 if (env == NULL) | |
| 970 return false; | |
| 971 | |
| 111 | 972 start = env; |
| 973 for (pass = 0; pass < 2; pass++) | |
| 0 | 974 { |
| 111 | 975 env = start; |
| 976 if (pass == 1) | |
| 977 { | |
| 978 if (ignore) | |
| 979 return false; | |
| 0 | 980 |
| 111 | 981 gomp_places_list_len = 0; |
| 982 gomp_places_list = gomp_affinity_alloc (count, true); | |
| 983 if (gomp_places_list == NULL) | |
| 984 return false; | |
| 985 } | |
| 986 do | |
| 987 { | |
| 988 while (isspace ((unsigned char) *env)) | |
| 989 ++env; | |
| 0 | 990 |
| 111 | 991 errno = 0; |
| 992 cpu_beg = strtoul (env, &end, 0); | |
| 993 if (errno || cpu_beg >= 65536) | |
| 0 | 994 goto invalid; |
| 111 | 995 cpu_end = cpu_beg; |
| 996 cpu_stride = 1; | |
| 0 | 997 |
| 998 env = end; | |
| 111 | 999 if (*env == '-') |
| 0 | 1000 { |
| 111 | 1001 errno = 0; |
| 1002 cpu_end = strtoul (++env, &end, 0); | |
| 1003 if (errno || cpu_end >= 65536 || cpu_end < cpu_beg) | |
| 0 | 1004 goto invalid; |
| 1005 | |
| 1006 env = end; | |
| 111 | 1007 if (*env == ':') |
| 1008 { | |
| 1009 errno = 0; | |
| 1010 cpu_stride = strtoul (++env, &end, 0); | |
| 1011 if (errno || cpu_stride == 0 || cpu_stride >= 65536) | |
| 1012 goto invalid; | |
| 0 | 1013 |
| 111 | 1014 env = end; |
| 1015 } | |
| 0 | 1016 } |
| 1017 | |
| 111 | 1018 needed = (cpu_end - cpu_beg) / cpu_stride + 1; |
| 1019 if (pass == 0) | |
| 1020 count += needed; | |
| 1021 else | |
| 1022 { | |
| 1023 while (needed--) | |
| 1024 { | |
| 1025 void *p = gomp_places_list[gomp_places_list_len]; | |
| 1026 gomp_affinity_init_place (p); | |
| 1027 if (gomp_affinity_add_cpus (p, cpu_beg, 1, 0, true)) | |
| 1028 ++gomp_places_list_len; | |
| 1029 cpu_beg += cpu_stride; | |
| 1030 } | |
| 1031 } | |
| 0 | 1032 |
| 111 | 1033 while (isspace ((unsigned char) *env)) |
| 1034 ++env; | |
| 0 | 1035 |
| 111 | 1036 if (*env == ',') |
| 1037 env++; | |
| 1038 else if (*env == '\0') | |
| 1039 break; | |
| 1040 } | |
| 1041 while (1); | |
| 0 | 1042 } |
| 1043 | |
| 111 | 1044 if (gomp_places_list_len == 0) |
| 1045 { | |
| 1046 free (gomp_places_list); | |
| 1047 gomp_places_list = NULL; | |
| 1048 return false; | |
| 1049 } | |
| 0 | 1050 return true; |
| 1051 | |
| 1052 invalid: | |
| 1053 gomp_error ("Invalid value for enviroment variable GOMP_CPU_AFFINITY"); | |
| 1054 return false; | |
| 1055 } | |
| 1056 | |
| 111 | 1057 static void |
| 1058 parse_acc_device_type (void) | |
| 1059 { | |
| 1060 const char *env = getenv ("ACC_DEVICE_TYPE"); | |
| 1061 | |
| 1062 if (env && *env != '\0') | |
| 1063 goacc_device_type = strdup (env); | |
| 1064 else | |
| 1065 goacc_device_type = NULL; | |
| 1066 } | |
| 1067 | |
| 1068 static void | |
| 1069 handle_omp_display_env (unsigned long stacksize, int wait_policy) | |
| 1070 { | |
| 1071 const char *env; | |
| 1072 bool display = false; | |
| 1073 bool verbose = false; | |
| 1074 int i; | |
| 1075 | |
| 1076 env = getenv ("OMP_DISPLAY_ENV"); | |
| 1077 if (env == NULL) | |
| 1078 return; | |
| 1079 | |
| 1080 while (isspace ((unsigned char) *env)) | |
| 1081 ++env; | |
| 1082 if (strncasecmp (env, "true", 4) == 0) | |
| 1083 { | |
| 1084 display = true; | |
| 1085 env += 4; | |
| 1086 } | |
| 1087 else if (strncasecmp (env, "false", 5) == 0) | |
| 1088 { | |
| 1089 display = false; | |
| 1090 env += 5; | |
| 1091 } | |
| 1092 else if (strncasecmp (env, "verbose", 7) == 0) | |
| 1093 { | |
| 1094 display = true; | |
| 1095 verbose = true; | |
| 1096 env += 7; | |
| 1097 } | |
| 1098 else | |
| 1099 env = "X"; | |
| 1100 while (isspace ((unsigned char) *env)) | |
| 1101 ++env; | |
| 1102 if (*env != '\0') | |
| 1103 gomp_error ("Invalid value for environment variable OMP_DISPLAY_ENV"); | |
| 1104 | |
| 1105 if (!display) | |
| 1106 return; | |
| 1107 | |
| 1108 fputs ("\nOPENMP DISPLAY ENVIRONMENT BEGIN\n", stderr); | |
| 1109 | |
| 1110 fputs (" _OPENMP = '201511'\n", stderr); | |
| 1111 fprintf (stderr, " OMP_DYNAMIC = '%s'\n", | |
| 1112 gomp_global_icv.dyn_var ? "TRUE" : "FALSE"); | |
| 1113 fprintf (stderr, " OMP_NESTED = '%s'\n", | |
| 1114 gomp_global_icv.nest_var ? "TRUE" : "FALSE"); | |
| 1115 | |
| 1116 fprintf (stderr, " OMP_NUM_THREADS = '%lu", gomp_global_icv.nthreads_var); | |
| 1117 for (i = 1; i < gomp_nthreads_var_list_len; i++) | |
| 1118 fprintf (stderr, ",%lu", gomp_nthreads_var_list[i]); | |
| 1119 fputs ("'\n", stderr); | |
| 1120 | |
| 1121 fprintf (stderr, " OMP_SCHEDULE = '"); | |
| 1122 switch (gomp_global_icv.run_sched_var) | |
| 1123 { | |
| 1124 case GFS_RUNTIME: | |
| 1125 fputs ("RUNTIME", stderr); | |
| 1126 break; | |
| 1127 case GFS_STATIC: | |
| 1128 fputs ("STATIC", stderr); | |
| 1129 break; | |
| 1130 case GFS_DYNAMIC: | |
| 1131 fputs ("DYNAMIC", stderr); | |
| 1132 break; | |
| 1133 case GFS_GUIDED: | |
| 1134 fputs ("GUIDED", stderr); | |
| 1135 break; | |
| 1136 case GFS_AUTO: | |
| 1137 fputs ("AUTO", stderr); | |
| 1138 break; | |
| 1139 } | |
| 1140 fputs ("'\n", stderr); | |
| 1141 | |
| 1142 fputs (" OMP_PROC_BIND = '", stderr); | |
| 1143 switch (gomp_global_icv.bind_var) | |
| 1144 { | |
| 1145 case omp_proc_bind_false: | |
| 1146 fputs ("FALSE", stderr); | |
| 1147 break; | |
| 1148 case omp_proc_bind_true: | |
| 1149 fputs ("TRUE", stderr); | |
| 1150 break; | |
| 1151 case omp_proc_bind_master: | |
| 1152 fputs ("MASTER", stderr); | |
| 1153 break; | |
| 1154 case omp_proc_bind_close: | |
| 1155 fputs ("CLOSE", stderr); | |
| 1156 break; | |
| 1157 case omp_proc_bind_spread: | |
| 1158 fputs ("SPREAD", stderr); | |
| 1159 break; | |
| 1160 } | |
| 1161 for (i = 1; i < gomp_bind_var_list_len; i++) | |
| 1162 switch (gomp_bind_var_list[i]) | |
| 1163 { | |
| 1164 case omp_proc_bind_master: | |
| 1165 fputs (",MASTER", stderr); | |
| 1166 break; | |
| 1167 case omp_proc_bind_close: | |
| 1168 fputs (",CLOSE", stderr); | |
| 1169 break; | |
| 1170 case omp_proc_bind_spread: | |
| 1171 fputs (",SPREAD", stderr); | |
| 1172 break; | |
| 1173 } | |
| 1174 fputs ("'\n", stderr); | |
| 1175 fputs (" OMP_PLACES = '", stderr); | |
| 1176 for (i = 0; i < gomp_places_list_len; i++) | |
| 1177 { | |
| 1178 fputs ("{", stderr); | |
| 1179 gomp_affinity_print_place (gomp_places_list[i]); | |
| 1180 fputs (i + 1 == gomp_places_list_len ? "}" : "},", stderr); | |
| 1181 } | |
| 1182 fputs ("'\n", stderr); | |
| 1183 | |
| 1184 fprintf (stderr, " OMP_STACKSIZE = '%lu'\n", stacksize); | |
| 1185 | |
| 1186 /* GOMP's default value is actually neither active nor passive. */ | |
| 1187 fprintf (stderr, " OMP_WAIT_POLICY = '%s'\n", | |
| 1188 wait_policy > 0 ? "ACTIVE" : "PASSIVE"); | |
| 1189 fprintf (stderr, " OMP_THREAD_LIMIT = '%u'\n", | |
| 1190 gomp_global_icv.thread_limit_var); | |
| 1191 fprintf (stderr, " OMP_MAX_ACTIVE_LEVELS = '%lu'\n", | |
| 1192 gomp_max_active_levels_var); | |
| 1193 | |
| 1194 fprintf (stderr, " OMP_CANCELLATION = '%s'\n", | |
| 1195 gomp_cancel_var ? "TRUE" : "FALSE"); | |
| 1196 fprintf (stderr, " OMP_DEFAULT_DEVICE = '%d'\n", | |
| 1197 gomp_global_icv.default_device_var); | |
| 1198 fprintf (stderr, " OMP_MAX_TASK_PRIORITY = '%d'\n", | |
| 1199 gomp_max_task_priority_var); | |
| 1200 | |
| 1201 if (verbose) | |
| 1202 { | |
| 1203 fputs (" GOMP_CPU_AFFINITY = ''\n", stderr); | |
| 1204 fprintf (stderr, " GOMP_STACKSIZE = '%lu'\n", stacksize); | |
| 1205 #ifdef HAVE_INTTYPES_H | |
| 1206 fprintf (stderr, " GOMP_SPINCOUNT = '%"PRIu64"'\n", | |
| 1207 (uint64_t) gomp_spin_count_var); | |
| 1208 #else | |
| 1209 fprintf (stderr, " GOMP_SPINCOUNT = '%lu'\n", | |
| 1210 (unsigned long) gomp_spin_count_var); | |
| 1211 #endif | |
| 1212 } | |
| 1213 | |
| 1214 fputs ("OPENMP DISPLAY ENVIRONMENT END\n", stderr); | |
| 1215 } | |
| 1216 | |
| 1217 | |
| 0 | 1218 static void __attribute__((constructor)) |
| 1219 initialize_env (void) | |
| 1220 { | |
| 111 | 1221 unsigned long thread_limit_var, stacksize = GOMP_DEFAULT_STACKSIZE; |
| 0 | 1222 int wait_policy; |
| 1223 | |
| 1224 /* Do a compile time check that mkomp_h.pl did good job. */ | |
| 1225 omp_check_defines (); | |
| 1226 | |
| 1227 parse_schedule (); | |
| 1228 parse_boolean ("OMP_DYNAMIC", &gomp_global_icv.dyn_var); | |
| 1229 parse_boolean ("OMP_NESTED", &gomp_global_icv.nest_var); | |
| 111 | 1230 parse_boolean ("OMP_CANCELLATION", &gomp_cancel_var); |
| 1231 parse_int ("OMP_DEFAULT_DEVICE", &gomp_global_icv.default_device_var, true); | |
| 1232 parse_int ("OMP_MAX_TASK_PRIORITY", &gomp_max_task_priority_var, true); | |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1233 parse_unsigned_long ("OMP_MAX_ACTIVE_LEVELS", &gomp_max_active_levels_var, |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1234 true); |
| 111 | 1235 if (parse_unsigned_long ("OMP_THREAD_LIMIT", &thread_limit_var, false)) |
| 1236 { | |
| 1237 gomp_global_icv.thread_limit_var | |
| 1238 = thread_limit_var > INT_MAX ? UINT_MAX : thread_limit_var; | |
| 1239 } | |
| 1240 parse_int_secure ("GOMP_DEBUG", &gomp_debug_var, true); | |
| 0 | 1241 #ifndef HAVE_SYNC_BUILTINS |
| 111 | 1242 gomp_mutex_init (&gomp_managed_threads_lock); |
| 0 | 1243 #endif |
| 1244 gomp_init_num_threads (); | |
| 1245 gomp_available_cpus = gomp_global_icv.nthreads_var; | |
| 111 | 1246 if (!parse_unsigned_long_list ("OMP_NUM_THREADS", |
| 1247 &gomp_global_icv.nthreads_var, | |
| 1248 &gomp_nthreads_var_list, | |
| 1249 &gomp_nthreads_var_list_len)) | |
| 0 | 1250 gomp_global_icv.nthreads_var = gomp_available_cpus; |
| 111 | 1251 bool ignore = false; |
| 1252 if (parse_bind_var ("OMP_PROC_BIND", | |
| 1253 &gomp_global_icv.bind_var, | |
| 1254 &gomp_bind_var_list, | |
| 1255 &gomp_bind_var_list_len) | |
| 1256 && gomp_global_icv.bind_var == omp_proc_bind_false) | |
| 1257 ignore = true; | |
| 1258 /* Make sure OMP_PLACES and GOMP_CPU_AFFINITY env vars are always | |
| 1259 parsed if present in the environment. If OMP_PROC_BIND was set | |
| 1260 explictly to false, don't populate places list though. If places | |
| 1261 list was successfully set from OMP_PLACES, only parse but don't process | |
| 1262 GOMP_CPU_AFFINITY. If OMP_PROC_BIND was not set in the environment, | |
| 1263 default to OMP_PROC_BIND=true if OMP_PLACES or GOMP_CPU_AFFINITY | |
| 1264 was successfully parsed into a places list, otherwise to | |
| 1265 OMP_PROC_BIND=false. */ | |
| 1266 if (parse_places_var ("OMP_PLACES", ignore)) | |
| 1267 { | |
| 1268 if (gomp_global_icv.bind_var == omp_proc_bind_false) | |
| 1269 gomp_global_icv.bind_var = true; | |
| 1270 ignore = true; | |
| 1271 } | |
| 1272 if (parse_affinity (ignore)) | |
| 1273 { | |
| 1274 if (gomp_global_icv.bind_var == omp_proc_bind_false) | |
| 1275 gomp_global_icv.bind_var = true; | |
| 1276 ignore = true; | |
| 1277 } | |
| 1278 if (gomp_global_icv.bind_var != omp_proc_bind_false) | |
| 0 | 1279 gomp_init_affinity (); |
| 1280 wait_policy = parse_wait_policy (); | |
| 1281 if (!parse_spincount ("GOMP_SPINCOUNT", &gomp_spin_count_var)) | |
| 1282 { | |
| 1283 /* Using a rough estimation of 100000 spins per msec, | |
| 1284 use 5 min blocking for OMP_WAIT_POLICY=active, | |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
1285 3 msec blocking when OMP_WAIT_POLICY is not specificed |
| 0 | 1286 and 0 when OMP_WAIT_POLICY=passive. |
| 1287 Depending on the CPU speed, this can be e.g. 5 times longer | |
| 1288 or 5 times shorter. */ | |
| 1289 if (wait_policy > 0) | |
| 1290 gomp_spin_count_var = 30000000000LL; | |
| 1291 else if (wait_policy < 0) | |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
1292 gomp_spin_count_var = 300000LL; |
| 0 | 1293 } |
| 1294 /* gomp_throttled_spin_count_var is used when there are more libgomp | |
| 1295 managed threads than available CPUs. Use very short spinning. */ | |
| 1296 if (wait_policy > 0) | |
| 1297 gomp_throttled_spin_count_var = 1000LL; | |
| 1298 else if (wait_policy < 0) | |
| 1299 gomp_throttled_spin_count_var = 100LL; | |
| 1300 if (gomp_throttled_spin_count_var > gomp_spin_count_var) | |
| 1301 gomp_throttled_spin_count_var = gomp_spin_count_var; | |
| 1302 | |
| 1303 /* Not strictly environment related, but ordering constructors is tricky. */ | |
| 1304 pthread_attr_init (&gomp_thread_attr); | |
| 1305 pthread_attr_setdetachstate (&gomp_thread_attr, PTHREAD_CREATE_DETACHED); | |
| 1306 | |
| 1307 if (parse_stacksize ("OMP_STACKSIZE", &stacksize) | |
| 111 | 1308 || parse_stacksize ("GOMP_STACKSIZE", &stacksize) |
| 1309 || GOMP_DEFAULT_STACKSIZE) | |
| 0 | 1310 { |
| 1311 int err; | |
| 1312 | |
| 1313 err = pthread_attr_setstacksize (&gomp_thread_attr, stacksize); | |
| 1314 | |
| 1315 #ifdef PTHREAD_STACK_MIN | |
| 1316 if (err == EINVAL) | |
| 1317 { | |
| 1318 if (stacksize < PTHREAD_STACK_MIN) | |
| 1319 gomp_error ("Stack size less than minimum of %luk", | |
| 1320 PTHREAD_STACK_MIN / 1024ul | |
| 1321 + (PTHREAD_STACK_MIN % 1024 != 0)); | |
| 1322 else | |
| 1323 gomp_error ("Stack size larger than system limit"); | |
| 1324 } | |
| 1325 else | |
| 1326 #endif | |
| 1327 if (err != 0) | |
| 1328 gomp_error ("Stack size change failed: %s", strerror (err)); | |
| 1329 } | |
| 1330 | |
| 111 | 1331 handle_omp_display_env (stacksize, wait_policy); |
| 0 | 1332 |
| 111 | 1333 /* OpenACC. */ |
| 0 | 1334 |
| 111 | 1335 if (!parse_int ("ACC_DEVICE_NUM", &goacc_device_num, true)) |
| 1336 goacc_device_num = 0; | |
| 0 | 1337 |
| 111 | 1338 parse_acc_device_type (); |
| 0 | 1339 |
| 111 | 1340 goacc_runtime_initialize (); |
| 0 | 1341 } |
| 111 | 1342 #endif /* LIBGOMP_OFFLOADED_ONLY */ |