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Commit | Line | Data |
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83ffe9cd | 1 | /* Copyright (C) 2005-2023 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 | 62 | #include "secure_getenv.h" |
7d37c7f6 | 63 | #include "environ.h" |
22f1a037 | 64 | |
18c8b56c TB |
65 | /* Default values of ICVs according to the OpenMP standard, |
66 | except for default-device-var. */ | |
9f2fca56 | 67 | const struct gomp_default_icv gomp_default_icv_values = { |
630e3c3a AM |
68 | .nthreads_var = 1, |
69 | .thread_limit_var = UINT_MAX, | |
70 | .run_sched_var = GFS_DYNAMIC, | |
71 | .run_sched_chunk_size = 1, | |
18c8b56c | 72 | .default_device_var = INT_MIN, |
6fae7eda | 73 | .max_active_levels_var = 1, |
630e3c3a | 74 | .bind_var = omp_proc_bind_false, |
9f2fca56 MV |
75 | .nteams_var = 0, |
76 | .teams_thread_limit_var = 0, | |
77 | .dyn_var = false | |
78 | }; | |
79 | ||
80 | struct gomp_task_icv gomp_global_icv = { | |
81 | .nthreads_var = gomp_default_icv_values.nthreads_var, | |
82 | .thread_limit_var = gomp_default_icv_values.thread_limit_var, | |
83 | .run_sched_var = gomp_default_icv_values.run_sched_var, | |
84 | .run_sched_chunk_size = gomp_default_icv_values.run_sched_chunk_size, | |
85 | .default_device_var = gomp_default_icv_values.default_device_var, | |
86 | .dyn_var = gomp_default_icv_values.dyn_var, | |
87 | .max_active_levels_var = gomp_default_icv_values.max_active_levels_var, | |
88 | .bind_var = gomp_default_icv_values.bind_var, | |
630e3c3a AM |
89 | .target_data = NULL |
90 | }; | |
91 | ||
9f2fca56 MV |
92 | /* List for initial "_DEV", "_ALL", and "_DEV_X" ICVs like OMP_NUM_TEAMS_DEV, |
93 | OMP_NUM_TEAMS_ALL, or OMP_NUM_TEAMS_DEV_42. */ | |
94 | struct gomp_icv_list *gomp_initial_icv_list = NULL; | |
95 | ||
96 | /* List for "_DEV_X" ICVs like OMP_NUM_TEAMS_DEV_42. This list contains all | |
97 | device-specific ICVs that are copied from host to device and back. */ | |
98 | struct gomp_offload_icv_list *gomp_offload_icv_list = NULL; | |
99 | ||
630e3c3a | 100 | bool gomp_cancel_var = false; |
1bfc07d1 KCY |
101 | enum gomp_target_offload_t gomp_target_offload_var |
102 | = GOMP_TARGET_OFFLOAD_DEFAULT; | |
630e3c3a AM |
103 | int gomp_max_task_priority_var = 0; |
104 | #ifndef HAVE_SYNC_BUILTINS | |
105 | gomp_mutex_t gomp_managed_threads_lock; | |
106 | #endif | |
107 | unsigned long gomp_available_cpus = 1, gomp_managed_threads = 1; | |
108 | unsigned long long gomp_spin_count_var, gomp_throttled_spin_count_var; | |
109 | unsigned long *gomp_nthreads_var_list, gomp_nthreads_var_list_len; | |
110 | char *gomp_bind_var_list; | |
111 | unsigned long gomp_bind_var_list_len; | |
112 | void **gomp_places_list; | |
113 | unsigned long gomp_places_list_len; | |
800bcc8c | 114 | uintptr_t gomp_def_allocator = omp_default_mem_alloc; |
630e3c3a AM |
115 | int gomp_debug_var; |
116 | unsigned int gomp_num_teams_var; | |
07dd3bcd JJ |
117 | int gomp_nteams_var; |
118 | int gomp_teams_thread_limit_var; | |
28567c40 JJ |
119 | bool gomp_display_affinity_var; |
120 | char *gomp_affinity_format_var = "level %L thread %i affinity %A"; | |
121 | size_t gomp_affinity_format_len; | |
630e3c3a AM |
122 | char *goacc_device_type; |
123 | int goacc_device_num; | |
ec00d3fa | 124 | int goacc_default_dims[GOMP_DIM_MAX]; |
630e3c3a AM |
125 | |
126 | #ifndef LIBGOMP_OFFLOADED_ONLY | |
953ff289 | 127 | |
288bc7b5 | 128 | static int wait_policy = -1; |
7123ae24 UD |
129 | static unsigned long stacksize = GOMP_DEFAULT_STACKSIZE; |
130 | ||
953ff289 | 131 | static void |
9f2fca56 | 132 | print_env_var_error (const char *env, const char *val) |
953ff289 | 133 | { |
9f2fca56 MV |
134 | gomp_error ("Invalid value for environment variable %.*s: %s", |
135 | (int) (val - env - 1), env, val); | |
136 | } | |
137 | ||
138 | /* Parse the OMP_SCHEDULE environment variable. */ | |
139 | static bool | |
140 | parse_schedule (const char *env, const char *val, void *const params[]) | |
141 | { | |
142 | enum gomp_schedule_type *schedule = (enum gomp_schedule_type *) params[0]; | |
143 | int *chunk_size = (int *) params[1]; | |
144 | char *end; | |
6acf0b38 | 145 | unsigned long value; |
28567c40 | 146 | int monotonic = 0; |
953ff289 | 147 | |
9f2fca56 MV |
148 | if (val == NULL) |
149 | return false; | |
953ff289 | 150 | |
9f2fca56 MV |
151 | while (isspace ((unsigned char) *val)) |
152 | ++val; | |
153 | if (strncasecmp (val, "monotonic", 9) == 0) | |
28567c40 JJ |
154 | { |
155 | monotonic = 1; | |
9f2fca56 | 156 | val += 9; |
28567c40 | 157 | } |
9f2fca56 | 158 | else if (strncasecmp (val, "nonmonotonic", 12) == 0) |
28567c40 JJ |
159 | { |
160 | monotonic = -1; | |
9f2fca56 | 161 | val += 12; |
28567c40 JJ |
162 | } |
163 | if (monotonic) | |
164 | { | |
9f2fca56 MV |
165 | while (isspace ((unsigned char) *val)) |
166 | ++val; | |
167 | if (*val != ':') | |
28567c40 | 168 | goto unknown; |
9f2fca56 MV |
169 | ++val; |
170 | while (isspace ((unsigned char) *val)) | |
171 | ++val; | |
28567c40 | 172 | } |
9f2fca56 | 173 | if (strncasecmp (val, "static", 6) == 0) |
953ff289 | 174 | { |
9f2fca56 MV |
175 | *schedule = GFS_STATIC; |
176 | val += 6; | |
953ff289 | 177 | } |
9f2fca56 | 178 | else if (strncasecmp (val, "dynamic", 7) == 0) |
953ff289 | 179 | { |
9f2fca56 MV |
180 | *schedule = GFS_DYNAMIC; |
181 | val += 7; | |
953ff289 | 182 | } |
9f2fca56 | 183 | else if (strncasecmp (val, "guided", 6) == 0) |
953ff289 | 184 | { |
9f2fca56 MV |
185 | *schedule = GFS_GUIDED; |
186 | val += 6; | |
953ff289 | 187 | } |
9f2fca56 | 188 | else if (strncasecmp (val, "auto", 4) == 0) |
a68ab351 | 189 | { |
9f2fca56 MV |
190 | *schedule = GFS_AUTO; |
191 | val += 4; | |
a68ab351 | 192 | } |
953ff289 DN |
193 | else |
194 | goto unknown; | |
195 | ||
28567c40 | 196 | if (monotonic == 1 |
9f2fca56 MV |
197 | || (monotonic == 0 && *schedule == GFS_STATIC)) |
198 | *schedule |= GFS_MONOTONIC; | |
28567c40 | 199 | |
9f2fca56 MV |
200 | while (isspace ((unsigned char) *val)) |
201 | ++val; | |
202 | if (*val == '\0') | |
fb79f500 | 203 | { |
9f2fca56 MV |
204 | *chunk_size = (*schedule & ~GFS_MONOTONIC) != GFS_STATIC; |
205 | return true; | |
fb79f500 | 206 | } |
9f2fca56 | 207 | if (*val++ != ',') |
953ff289 | 208 | goto unknown; |
9f2fca56 MV |
209 | while (isspace ((unsigned char) *val)) |
210 | ++val; | |
211 | if (*val == '\0') | |
953ff289 DN |
212 | goto invalid; |
213 | ||
6acf0b38 | 214 | errno = 0; |
9f2fca56 MV |
215 | value = strtoul (val, &end, 10); |
216 | if (errno || end == val) | |
6acf0b38 UB |
217 | goto invalid; |
218 | ||
89b3e3cd JJ |
219 | while (isspace ((unsigned char) *end)) |
220 | ++end; | |
953ff289 DN |
221 | if (*end != '\0') |
222 | goto invalid; | |
6acf0b38 | 223 | |
a68ab351 JJ |
224 | if ((int)value != value) |
225 | goto invalid; | |
226 | ||
9f2fca56 | 227 | if (value == 0 && (*schedule & ~GFS_MONOTONIC) != GFS_STATIC) |
fb79f500 | 228 | value = 1; |
9f2fca56 MV |
229 | *chunk_size = value; |
230 | return true; | |
953ff289 DN |
231 | |
232 | unknown: | |
9f2fca56 MV |
233 | print_env_var_error (env, val); |
234 | return false; | |
953ff289 DN |
235 | |
236 | invalid: | |
9f2fca56 MV |
237 | char name[val - env]; |
238 | memcpy (name, env, val - env - 1); | |
239 | name[val - env - 1] = '\0'; | |
953ff289 | 240 | gomp_error ("Invalid value for chunk size in " |
9f2fca56 MV |
241 | "environment variable %s: %s", name, val); |
242 | return false; | |
953ff289 DN |
243 | } |
244 | ||
a68ab351 | 245 | /* Parse an unsigned long environment variable. Return true if one was |
22f1a037 TV |
246 | present and it was successfully parsed. If SECURE, use secure_getenv to the |
247 | environment variable. */ | |
953ff289 DN |
248 | |
249 | static bool | |
9f2fca56 MV |
250 | parse_unsigned_long_1 (const char *env, const char *val, unsigned long *pvalue, |
251 | bool allow_zero) | |
953ff289 | 252 | { |
9f2fca56 | 253 | char *end; |
d0d1b24d | 254 | unsigned long value; |
953ff289 | 255 | |
9f2fca56 | 256 | if (val == NULL) |
953ff289 DN |
257 | return false; |
258 | ||
9f2fca56 MV |
259 | while (isspace ((unsigned char) *val)) |
260 | ++val; | |
261 | if (*val == '\0') | |
953ff289 DN |
262 | goto invalid; |
263 | ||
6acf0b38 | 264 | errno = 0; |
9f2fca56 MV |
265 | value = strtoul (val, &end, 10); |
266 | if (errno || end == val || (long) value <= 0 - allow_zero) | |
6acf0b38 UB |
267 | goto invalid; |
268 | ||
89b3e3cd JJ |
269 | while (isspace ((unsigned char) *end)) |
270 | ++end; | |
953ff289 DN |
271 | if (*end != '\0') |
272 | goto invalid; | |
d0d1b24d RH |
273 | |
274 | *pvalue = value; | |
953ff289 DN |
275 | return true; |
276 | ||
277 | invalid: | |
9f2fca56 | 278 | print_env_var_error (env, val); |
953ff289 DN |
279 | return false; |
280 | } | |
281 | ||
22f1a037 TV |
282 | /* As parse_unsigned_long_1, but always use getenv. */ |
283 | ||
284 | static bool | |
9f2fca56 | 285 | parse_unsigned_long (const char *env, const char *val, void *const params[]) |
22f1a037 | 286 | { |
2a193e9d | 287 | unsigned long upper = (uintptr_t) params[2]; |
9f2fca56 MV |
288 | unsigned long pvalue = 0; |
289 | bool ret = parse_unsigned_long_1 (env, val, &pvalue, (bool) params[1]); | |
290 | if (!ret) | |
291 | return false; | |
292 | ||
293 | if (upper == 0) | |
294 | *(unsigned long *) params[0] = pvalue; | |
295 | else | |
296 | { | |
297 | if (pvalue > upper) | |
298 | pvalue = upper; | |
299 | if (upper <= UCHAR_MAX) | |
300 | *(unsigned char *) params[0] = pvalue; | |
301 | else if (upper <= UINT_MAX) | |
302 | *(unsigned int *) params[0] = pvalue; | |
303 | else | |
304 | *(unsigned long *) params[0] = pvalue; | |
305 | } | |
306 | ||
307 | return ret; | |
22f1a037 TV |
308 | } |
309 | ||
acf0174b | 310 | /* Parse a positive int environment variable. Return true if one was |
22f1a037 TV |
311 | present and it was successfully parsed. If SECURE, use secure_getenv to the |
312 | environment variable. */ | |
acf0174b JJ |
313 | |
314 | static bool | |
9f2fca56 | 315 | parse_int_1 (const char *env, const char *val, int *pvalue, bool allow_zero) |
acf0174b JJ |
316 | { |
317 | unsigned long value; | |
9f2fca56 | 318 | if (!parse_unsigned_long_1 (env, val, &value, allow_zero)) |
acf0174b JJ |
319 | return false; |
320 | if (value > INT_MAX) | |
321 | { | |
9f2fca56 | 322 | print_env_var_error (env, val); |
acf0174b JJ |
323 | return false; |
324 | } | |
325 | *pvalue = (int) value; | |
326 | return true; | |
327 | } | |
328 | ||
22f1a037 | 329 | static bool |
9f2fca56 | 330 | parse_int (const char *env, const char *val, void *const params[]) |
22f1a037 | 331 | { |
9f2fca56 | 332 | return parse_int_1 (env, val, (int *) params[0], (bool) params[1]); |
22f1a037 TV |
333 | } |
334 | ||
335 | /* As parse_int_1, but use getenv_secure. */ | |
336 | ||
337 | static bool | |
9f2fca56 | 338 | parse_int_secure (const char *env, int *pvalue, bool allow_zero) |
22f1a037 | 339 | { |
9f2fca56 | 340 | return parse_int_1 (env, secure_getenv (env), pvalue, allow_zero); |
22f1a037 TV |
341 | } |
342 | ||
20906c66 JJ |
343 | /* Parse an unsigned long list environment variable. Return true if one was |
344 | present and it was successfully parsed. */ | |
345 | ||
346 | static bool | |
9f2fca56 MV |
347 | parse_unsigned_long_list (const char *env, const char *val, |
348 | void *const params[]) | |
20906c66 | 349 | { |
9f2fca56 MV |
350 | unsigned long *p1stvalue = (unsigned long *) params[0]; |
351 | unsigned long **pvalues = (unsigned long **) params[1]; | |
352 | unsigned long *pnvalues = (unsigned long *) params[2]; | |
353 | char *end; | |
20906c66 JJ |
354 | unsigned long value, *values = NULL; |
355 | ||
9f2fca56 | 356 | if (val == NULL) |
20906c66 JJ |
357 | return false; |
358 | ||
9f2fca56 MV |
359 | while (isspace ((unsigned char) *val)) |
360 | ++val; | |
361 | if (*val == '\0') | |
20906c66 JJ |
362 | goto invalid; |
363 | ||
364 | errno = 0; | |
9f2fca56 | 365 | value = strtoul (val, &end, 10); |
20906c66 JJ |
366 | if (errno || (long) value <= 0) |
367 | goto invalid; | |
368 | ||
369 | while (isspace ((unsigned char) *end)) | |
370 | ++end; | |
371 | if (*end != '\0') | |
372 | { | |
373 | if (*end == ',') | |
374 | { | |
375 | unsigned long nvalues = 0, nalloced = 0; | |
376 | ||
377 | do | |
378 | { | |
9f2fca56 | 379 | val = end + 1; |
20906c66 JJ |
380 | if (nvalues == nalloced) |
381 | { | |
382 | unsigned long *n; | |
383 | nalloced = nalloced ? nalloced * 2 : 16; | |
384 | n = realloc (values, nalloced * sizeof (unsigned long)); | |
385 | if (n == NULL) | |
386 | { | |
387 | free (values); | |
9f2fca56 MV |
388 | char name[val - env]; |
389 | memcpy (name, env, val - env - 1); | |
390 | name[val - env - 1] = '\0'; | |
20906c66 JJ |
391 | gomp_error ("Out of memory while trying to parse" |
392 | " environment variable %s", name); | |
393 | return false; | |
394 | } | |
395 | values = n; | |
396 | if (nvalues == 0) | |
397 | values[nvalues++] = value; | |
398 | } | |
399 | ||
9f2fca56 MV |
400 | while (isspace ((unsigned char) *val)) |
401 | ++val; | |
402 | if (*val == '\0') | |
20906c66 JJ |
403 | goto invalid; |
404 | ||
405 | errno = 0; | |
9f2fca56 | 406 | value = strtoul (val, &end, 10); |
20906c66 JJ |
407 | if (errno || (long) value <= 0) |
408 | goto invalid; | |
409 | ||
410 | values[nvalues++] = value; | |
411 | while (isspace ((unsigned char) *end)) | |
412 | ++end; | |
413 | if (*end == '\0') | |
414 | break; | |
415 | if (*end != ',') | |
416 | goto invalid; | |
417 | } | |
418 | while (1); | |
419 | *p1stvalue = values[0]; | |
420 | *pvalues = values; | |
421 | *pnvalues = nvalues; | |
422 | return true; | |
423 | } | |
424 | goto invalid; | |
425 | } | |
9f2fca56 MV |
426 | else |
427 | { | |
428 | *pnvalues = 0; | |
429 | *pvalues = NULL; | |
430 | } | |
20906c66 JJ |
431 | |
432 | *p1stvalue = value; | |
433 | return true; | |
434 | ||
435 | invalid: | |
436 | free (values); | |
9f2fca56 | 437 | print_env_var_error (env, val); |
20906c66 JJ |
438 | return false; |
439 | } | |
440 | ||
9f2fca56 MV |
441 | static bool |
442 | parse_target_offload (const char *env, const char *val, void *const params[]) | |
1bfc07d1 | 443 | { |
121a8812 | 444 | int new_offload = -1; |
1bfc07d1 | 445 | |
9f2fca56 MV |
446 | if (val == NULL) |
447 | return false; | |
1bfc07d1 | 448 | |
9f2fca56 MV |
449 | while (isspace ((unsigned char) *val)) |
450 | ++val; | |
451 | if (strncasecmp (val, "default", 7) == 0) | |
1bfc07d1 | 452 | { |
9f2fca56 | 453 | val += 7; |
1bfc07d1 KCY |
454 | new_offload = GOMP_TARGET_OFFLOAD_DEFAULT; |
455 | } | |
9f2fca56 | 456 | else if (strncasecmp (val, "mandatory", 9) == 0) |
1bfc07d1 | 457 | { |
9f2fca56 | 458 | val += 9; |
1bfc07d1 KCY |
459 | new_offload = GOMP_TARGET_OFFLOAD_MANDATORY; |
460 | } | |
9f2fca56 | 461 | else if (strncasecmp (val, "disabled", 8) == 0) |
1bfc07d1 | 462 | { |
9f2fca56 | 463 | val += 8; |
1bfc07d1 KCY |
464 | new_offload = GOMP_TARGET_OFFLOAD_DISABLED; |
465 | } | |
9f2fca56 MV |
466 | while (isspace ((unsigned char) *val)) |
467 | ++val; | |
468 | if (new_offload != -1 && *val == '\0') | |
1bfc07d1 | 469 | { |
9f2fca56 MV |
470 | *(enum gomp_target_offload_t *) params[0] = new_offload; |
471 | return true; | |
1bfc07d1 KCY |
472 | } |
473 | ||
9f2fca56 MV |
474 | print_env_var_error (env, val); |
475 | return false; | |
1bfc07d1 KCY |
476 | } |
477 | ||
acf0174b JJ |
478 | /* Parse environment variable set to a boolean or list of omp_proc_bind_t |
479 | enum values. Return true if one was present and it was successfully | |
480 | parsed. */ | |
481 | ||
482 | static bool | |
9f2fca56 | 483 | parse_bind_var (const char *env, const char *val, void *const params[]) |
acf0174b | 484 | { |
9f2fca56 MV |
485 | char *p1stvalue = (char *) params[0]; |
486 | char **pvalues = (char **) params[1]; | |
487 | unsigned long *pnvalues = (unsigned long *) params[2]; | |
c8673881 | 488 | char value = omp_proc_bind_false, *values = NULL; |
acf0174b JJ |
489 | int i; |
490 | static struct proc_bind_kinds | |
491 | { | |
492 | const char name[7]; | |
493 | const char len; | |
494 | omp_proc_bind_t kind; | |
495 | } kinds[] = | |
496 | { | |
497 | { "false", 5, omp_proc_bind_false }, | |
498 | { "true", 4, omp_proc_bind_true }, | |
499 | { "master", 6, omp_proc_bind_master }, | |
432de084 | 500 | { "primary", 7, omp_proc_bind_primary }, |
acf0174b JJ |
501 | { "close", 5, omp_proc_bind_close }, |
502 | { "spread", 6, omp_proc_bind_spread } | |
503 | }; | |
504 | ||
9f2fca56 | 505 | if (val == NULL) |
acf0174b JJ |
506 | return false; |
507 | ||
9f2fca56 MV |
508 | while (isspace ((unsigned char) *val)) |
509 | ++val; | |
510 | if (*val == '\0') | |
acf0174b JJ |
511 | goto invalid; |
512 | ||
432de084 | 513 | for (i = 0; i < 6; i++) |
9f2fca56 | 514 | if (strncasecmp (val, kinds[i].name, kinds[i].len) == 0) |
acf0174b JJ |
515 | { |
516 | value = kinds[i].kind; | |
9f2fca56 | 517 | val += kinds[i].len; |
acf0174b JJ |
518 | break; |
519 | } | |
432de084 | 520 | if (i == 6) |
acf0174b JJ |
521 | goto invalid; |
522 | ||
9f2fca56 MV |
523 | while (isspace ((unsigned char) *val)) |
524 | ++val; | |
525 | if (*val != '\0') | |
acf0174b | 526 | { |
9f2fca56 | 527 | if (*val == ',') |
acf0174b JJ |
528 | { |
529 | unsigned long nvalues = 0, nalloced = 0; | |
530 | ||
531 | if (value == omp_proc_bind_false | |
532 | || value == omp_proc_bind_true) | |
533 | goto invalid; | |
534 | ||
535 | do | |
536 | { | |
9f2fca56 | 537 | val++; |
acf0174b JJ |
538 | if (nvalues == nalloced) |
539 | { | |
540 | char *n; | |
541 | nalloced = nalloced ? nalloced * 2 : 16; | |
542 | n = realloc (values, nalloced); | |
543 | if (n == NULL) | |
544 | { | |
545 | free (values); | |
9f2fca56 MV |
546 | char name[val - env]; |
547 | memcpy (name, env, val - env - 1); | |
548 | name[val - env - 1] = '\0'; | |
acf0174b JJ |
549 | gomp_error ("Out of memory while trying to parse" |
550 | " environment variable %s", name); | |
551 | return false; | |
552 | } | |
553 | values = n; | |
554 | if (nvalues == 0) | |
555 | values[nvalues++] = value; | |
556 | } | |
557 | ||
9f2fca56 MV |
558 | while (isspace ((unsigned char) *val)) |
559 | ++val; | |
560 | if (*val == '\0') | |
acf0174b JJ |
561 | goto invalid; |
562 | ||
432de084 | 563 | for (i = 2; i < 6; i++) |
9f2fca56 | 564 | if (strncasecmp (val, kinds[i].name, kinds[i].len) == 0) |
acf0174b JJ |
565 | { |
566 | value = kinds[i].kind; | |
9f2fca56 | 567 | val += kinds[i].len; |
acf0174b JJ |
568 | break; |
569 | } | |
432de084 | 570 | if (i == 6) |
acf0174b JJ |
571 | goto invalid; |
572 | ||
573 | values[nvalues++] = value; | |
9f2fca56 MV |
574 | while (isspace ((unsigned char) *val)) |
575 | ++val; | |
576 | if (*val == '\0') | |
acf0174b | 577 | break; |
9f2fca56 | 578 | if (*val != ',') |
acf0174b JJ |
579 | goto invalid; |
580 | } | |
581 | while (1); | |
582 | *p1stvalue = values[0]; | |
583 | *pvalues = values; | |
584 | *pnvalues = nvalues; | |
585 | return true; | |
586 | } | |
587 | goto invalid; | |
588 | } | |
589 | ||
590 | *p1stvalue = value; | |
591 | return true; | |
592 | ||
593 | invalid: | |
594 | free (values); | |
9f2fca56 | 595 | print_env_var_error (env, val); |
acf0174b JJ |
596 | return false; |
597 | } | |
598 | ||
599 | static bool | |
600 | parse_one_place (char **envp, bool *negatep, unsigned long *lenp, | |
601 | long *stridep) | |
602 | { | |
603 | char *env = *envp, *start; | |
604 | void *p = gomp_places_list ? gomp_places_list[gomp_places_list_len] : NULL; | |
605 | unsigned long len = 1; | |
606 | long stride = 1; | |
607 | int pass; | |
608 | bool any_negate = false; | |
4a0fed0c | 609 | bool has_braces = true; |
acf0174b JJ |
610 | *negatep = false; |
611 | while (isspace ((unsigned char) *env)) | |
612 | ++env; | |
613 | if (*env == '!') | |
614 | { | |
615 | *negatep = true; | |
616 | ++env; | |
617 | while (isspace ((unsigned char) *env)) | |
618 | ++env; | |
619 | } | |
620 | if (*env != '{') | |
4a0fed0c JJ |
621 | { |
622 | char *end; | |
623 | unsigned long this_num; | |
624 | ||
625 | errno = 0; | |
626 | this_num = strtoul (env, &end, 10); | |
627 | if (errno || end == env) | |
628 | return false; | |
629 | env = end - 1; | |
630 | has_braces = false; | |
631 | if (gomp_places_list | |
632 | && !gomp_affinity_add_cpus (p, this_num, 1, 1, false)) | |
633 | return false; | |
634 | } | |
635 | else | |
636 | { | |
637 | ++env; | |
638 | while (isspace ((unsigned char) *env)) | |
639 | ++env; | |
640 | } | |
acf0174b | 641 | start = env; |
4a0fed0c | 642 | for (pass = 0; pass < (any_negate ? 2 : has_braces); pass++) |
acf0174b JJ |
643 | { |
644 | env = start; | |
645 | do | |
646 | { | |
647 | unsigned long this_num, this_len = 1; | |
648 | long this_stride = 1; | |
649 | bool this_negate = (*env == '!'); | |
c057ed9c | 650 | char *end; |
acf0174b JJ |
651 | if (this_negate) |
652 | { | |
653 | if (gomp_places_list) | |
654 | any_negate = true; | |
655 | ++env; | |
656 | while (isspace ((unsigned char) *env)) | |
657 | ++env; | |
658 | } | |
659 | ||
660 | errno = 0; | |
c057ed9c JJ |
661 | this_num = strtoul (env, &end, 10); |
662 | if (errno || end == env) | |
acf0174b | 663 | return false; |
c057ed9c | 664 | env = end; |
acf0174b JJ |
665 | while (isspace ((unsigned char) *env)) |
666 | ++env; | |
667 | if (*env == ':') | |
668 | { | |
669 | ++env; | |
4a0fed0c JJ |
670 | if (this_negate) |
671 | return false; | |
acf0174b JJ |
672 | while (isspace ((unsigned char) *env)) |
673 | ++env; | |
674 | errno = 0; | |
675 | this_len = strtoul (env, &env, 10); | |
676 | if (errno || this_len == 0) | |
677 | return false; | |
678 | while (isspace ((unsigned char) *env)) | |
679 | ++env; | |
680 | if (*env == ':') | |
681 | { | |
682 | ++env; | |
683 | while (isspace ((unsigned char) *env)) | |
684 | ++env; | |
685 | errno = 0; | |
c057ed9c JJ |
686 | this_stride = strtol (env, &end, 10); |
687 | if (errno || end == env) | |
acf0174b | 688 | return false; |
c057ed9c | 689 | env = end; |
acf0174b JJ |
690 | while (isspace ((unsigned char) *env)) |
691 | ++env; | |
692 | } | |
693 | } | |
acf0174b JJ |
694 | if (gomp_places_list && pass == this_negate) |
695 | { | |
696 | if (this_negate) | |
697 | { | |
698 | if (!gomp_affinity_remove_cpu (p, this_num)) | |
699 | return false; | |
700 | } | |
701 | else if (!gomp_affinity_add_cpus (p, this_num, this_len, | |
702 | this_stride, false)) | |
703 | return false; | |
704 | } | |
705 | if (*env == '}') | |
706 | break; | |
707 | if (*env != ',') | |
708 | return false; | |
709 | ++env; | |
710 | } | |
711 | while (1); | |
712 | } | |
713 | ||
714 | ++env; | |
715 | while (isspace ((unsigned char) *env)) | |
716 | ++env; | |
717 | if (*env == ':') | |
718 | { | |
c057ed9c | 719 | char *end; |
4a0fed0c JJ |
720 | if (*negatep) |
721 | return false; | |
acf0174b JJ |
722 | ++env; |
723 | while (isspace ((unsigned char) *env)) | |
724 | ++env; | |
725 | errno = 0; | |
726 | len = strtoul (env, &env, 10); | |
727 | if (errno || len == 0 || len >= 65536) | |
728 | return false; | |
729 | while (isspace ((unsigned char) *env)) | |
730 | ++env; | |
731 | if (*env == ':') | |
732 | { | |
733 | ++env; | |
734 | while (isspace ((unsigned char) *env)) | |
735 | ++env; | |
736 | errno = 0; | |
c057ed9c JJ |
737 | stride = strtol (env, &end, 10); |
738 | if (errno || end == env) | |
acf0174b | 739 | return false; |
c057ed9c | 740 | env = end; |
acf0174b JJ |
741 | while (isspace ((unsigned char) *env)) |
742 | ++env; | |
743 | } | |
744 | } | |
acf0174b JJ |
745 | *envp = env; |
746 | *lenp = len; | |
747 | *stridep = stride; | |
748 | return true; | |
749 | } | |
750 | ||
751 | static bool | |
f89163fd | 752 | parse_places_var (const char *name, bool ignore) |
acf0174b JJ |
753 | { |
754 | char *env = getenv (name), *end; | |
755 | bool any_negate = false; | |
756 | int level = 0; | |
757 | unsigned long count = 0; | |
758 | if (env == NULL) | |
759 | return false; | |
760 | ||
761 | while (isspace ((unsigned char) *env)) | |
762 | ++env; | |
763 | if (*env == '\0') | |
764 | goto invalid; | |
765 | ||
766 | if (strncasecmp (env, "threads", 7) == 0) | |
767 | { | |
768 | env += 7; | |
769 | level = 1; | |
770 | } | |
771 | else if (strncasecmp (env, "cores", 5) == 0) | |
772 | { | |
773 | env += 5; | |
774 | level = 2; | |
775 | } | |
776 | else if (strncasecmp (env, "sockets", 7) == 0) | |
777 | { | |
778 | env += 7; | |
779 | level = 3; | |
780 | } | |
5809be05 JJ |
781 | else if (strncasecmp (env, "ll_caches", 9) == 0) |
782 | { | |
783 | env += 9; | |
784 | level = 4; | |
785 | } | |
e7ce32c7 JJ |
786 | else if (strncasecmp (env, "numa_domains", 12) == 0) |
787 | { | |
788 | env += 12; | |
789 | level = 5; | |
790 | } | |
acf0174b JJ |
791 | if (level) |
792 | { | |
793 | count = ULONG_MAX; | |
794 | while (isspace ((unsigned char) *env)) | |
795 | ++env; | |
796 | if (*env != '\0') | |
797 | { | |
798 | if (*env++ != '(') | |
799 | goto invalid; | |
800 | while (isspace ((unsigned char) *env)) | |
801 | ++env; | |
802 | ||
803 | errno = 0; | |
804 | count = strtoul (env, &end, 10); | |
c057ed9c | 805 | if (errno || end == env) |
acf0174b JJ |
806 | goto invalid; |
807 | env = end; | |
808 | while (isspace ((unsigned char) *env)) | |
809 | ++env; | |
810 | if (*env != ')') | |
811 | goto invalid; | |
812 | ++env; | |
813 | while (isspace ((unsigned char) *env)) | |
814 | ++env; | |
815 | if (*env != '\0') | |
816 | goto invalid; | |
817 | } | |
f89163fd JJ |
818 | |
819 | if (ignore) | |
820 | return false; | |
821 | ||
acf0174b JJ |
822 | return gomp_affinity_init_level (level, count, false); |
823 | } | |
824 | ||
825 | count = 0; | |
826 | end = env; | |
827 | do | |
828 | { | |
829 | bool negate; | |
830 | unsigned long len; | |
831 | long stride; | |
832 | if (!parse_one_place (&end, &negate, &len, &stride)) | |
833 | goto invalid; | |
834 | if (negate) | |
835 | { | |
836 | if (!any_negate) | |
837 | count++; | |
838 | any_negate = true; | |
839 | } | |
840 | else | |
841 | count += len; | |
842 | if (count > 65536) | |
843 | goto invalid; | |
844 | if (*end == '\0') | |
845 | break; | |
846 | if (*end != ',') | |
847 | goto invalid; | |
848 | end++; | |
849 | } | |
850 | while (1); | |
851 | ||
f89163fd | 852 | if (ignore) |
acf0174b JJ |
853 | return false; |
854 | ||
855 | gomp_places_list_len = 0; | |
856 | gomp_places_list = gomp_affinity_alloc (count, false); | |
857 | if (gomp_places_list == NULL) | |
858 | return false; | |
859 | ||
860 | do | |
861 | { | |
862 | bool negate; | |
863 | unsigned long len; | |
864 | long stride; | |
865 | gomp_affinity_init_place (gomp_places_list[gomp_places_list_len]); | |
866 | if (!parse_one_place (&env, &negate, &len, &stride)) | |
867 | goto invalid; | |
868 | if (negate) | |
869 | { | |
870 | void *p; | |
871 | for (count = 0; count < gomp_places_list_len; count++) | |
872 | if (gomp_affinity_same_place | |
873 | (gomp_places_list[count], | |
874 | gomp_places_list[gomp_places_list_len])) | |
875 | break; | |
876 | if (count == gomp_places_list_len) | |
877 | { | |
878 | gomp_error ("Trying to remove a non-existing place from list " | |
879 | "of places"); | |
880 | goto invalid; | |
881 | } | |
882 | p = gomp_places_list[count]; | |
883 | memmove (&gomp_places_list[count], | |
884 | &gomp_places_list[count + 1], | |
885 | (gomp_places_list_len - count - 1) * sizeof (void *)); | |
886 | --gomp_places_list_len; | |
887 | gomp_places_list[gomp_places_list_len] = p; | |
888 | } | |
889 | else if (len == 1) | |
890 | ++gomp_places_list_len; | |
891 | else | |
892 | { | |
893 | for (count = 0; count < len - 1; count++) | |
894 | if (!gomp_affinity_copy_place | |
895 | (gomp_places_list[gomp_places_list_len + count + 1], | |
896 | gomp_places_list[gomp_places_list_len + count], | |
897 | stride)) | |
898 | goto invalid; | |
899 | gomp_places_list_len += len; | |
900 | } | |
901 | if (*env == '\0') | |
902 | break; | |
903 | env++; | |
904 | } | |
905 | while (1); | |
906 | ||
907 | if (gomp_places_list_len == 0) | |
908 | { | |
909 | gomp_error ("All places have been removed"); | |
910 | goto invalid; | |
911 | } | |
912 | if (!gomp_affinity_finalize_place_list (false)) | |
913 | goto invalid; | |
914 | return true; | |
915 | ||
916 | invalid: | |
917 | free (gomp_places_list); | |
918 | gomp_places_list = NULL; | |
919 | gomp_places_list_len = 0; | |
920 | gomp_error ("Invalid value for environment variable %s", name); | |
921 | return false; | |
922 | } | |
923 | ||
a68ab351 JJ |
924 | /* Parse the OMP_STACKSIZE environment varible. Return true if one was |
925 | present and it was successfully parsed. */ | |
926 | ||
927 | static bool | |
9f2fca56 | 928 | parse_stacksize (const char *env, const char *val, void *const params[]) |
a68ab351 | 929 | { |
9f2fca56 | 930 | char *end; |
a68ab351 JJ |
931 | unsigned long value, shift = 10; |
932 | ||
9f2fca56 | 933 | if (val == NULL) |
a68ab351 JJ |
934 | return false; |
935 | ||
9f2fca56 MV |
936 | while (isspace ((unsigned char) *val)) |
937 | ++val; | |
938 | if (*val == '\0') | |
a68ab351 JJ |
939 | goto invalid; |
940 | ||
941 | errno = 0; | |
9f2fca56 MV |
942 | value = strtoul (val, &end, 10); |
943 | if (errno || end == val) | |
a68ab351 JJ |
944 | goto invalid; |
945 | ||
946 | while (isspace ((unsigned char) *end)) | |
947 | ++end; | |
948 | if (*end != '\0') | |
949 | { | |
323ff903 | 950 | switch (tolower ((unsigned char) *end)) |
a68ab351 JJ |
951 | { |
952 | case 'b': | |
953 | shift = 0; | |
954 | break; | |
955 | case 'k': | |
956 | break; | |
957 | case 'm': | |
958 | shift = 20; | |
959 | break; | |
960 | case 'g': | |
961 | shift = 30; | |
962 | break; | |
963 | default: | |
964 | goto invalid; | |
965 | } | |
966 | ++end; | |
967 | while (isspace ((unsigned char) *end)) | |
968 | ++end; | |
969 | if (*end != '\0') | |
970 | goto invalid; | |
971 | } | |
972 | ||
973 | if (((value << shift) >> shift) != value) | |
974 | goto invalid; | |
975 | ||
9f2fca56 | 976 | *(unsigned long *) params[0] = value << shift; |
a68ab351 JJ |
977 | return true; |
978 | ||
979 | invalid: | |
9f2fca56 | 980 | print_env_var_error (env, val); |
a68ab351 JJ |
981 | return false; |
982 | } | |
983 | ||
984 | /* Parse the GOMP_SPINCOUNT environment varible. Return true if one was | |
985 | present and it was successfully parsed. */ | |
986 | ||
987 | static bool | |
988 | parse_spincount (const char *name, unsigned long long *pvalue) | |
989 | { | |
990 | char *env, *end; | |
991 | unsigned long long value, mult = 1; | |
992 | ||
993 | env = getenv (name); | |
994 | if (env == NULL) | |
995 | return false; | |
996 | ||
997 | while (isspace ((unsigned char) *env)) | |
998 | ++env; | |
999 | if (*env == '\0') | |
1000 | goto invalid; | |
1001 | ||
1002 | if (strncasecmp (env, "infinite", 8) == 0 | |
1003 | || strncasecmp (env, "infinity", 8) == 0) | |
1004 | { | |
1005 | value = ~0ULL; | |
1006 | end = env + 8; | |
1007 | goto check_tail; | |
1008 | } | |
1009 | ||
1010 | errno = 0; | |
1011 | value = strtoull (env, &end, 10); | |
c057ed9c | 1012 | if (errno || end == env) |
a68ab351 JJ |
1013 | goto invalid; |
1014 | ||
1015 | while (isspace ((unsigned char) *end)) | |
1016 | ++end; | |
1017 | if (*end != '\0') | |
1018 | { | |
323ff903 | 1019 | switch (tolower ((unsigned char) *end)) |
a68ab351 JJ |
1020 | { |
1021 | case 'k': | |
1022 | mult = 1000LL; | |
1023 | break; | |
1024 | case 'm': | |
1025 | mult = 1000LL * 1000LL; | |
1026 | break; | |
1027 | case 'g': | |
1028 | mult = 1000LL * 1000LL * 1000LL; | |
1029 | break; | |
1030 | case 't': | |
1031 | mult = 1000LL * 1000LL * 1000LL * 1000LL; | |
1032 | break; | |
1033 | default: | |
1034 | goto invalid; | |
1035 | } | |
1036 | ++end; | |
1037 | check_tail: | |
1038 | while (isspace ((unsigned char) *end)) | |
1039 | ++end; | |
1040 | if (*end != '\0') | |
1041 | goto invalid; | |
1042 | } | |
1043 | ||
1044 | if (value > ~0ULL / mult) | |
1045 | value = ~0ULL; | |
1046 | else | |
1047 | value *= mult; | |
1048 | ||
1049 | *pvalue = value; | |
1050 | return true; | |
1051 | ||
1052 | invalid: | |
1053 | gomp_error ("Invalid value for environment variable %s", name); | |
1054 | return false; | |
1055 | } | |
1056 | ||
1057 | /* Parse a boolean value for environment variable NAME and store the | |
6fae7eda KCY |
1058 | result in VALUE. Return true if one was present and it was |
1059 | successfully parsed. */ | |
6fae7eda | 1060 | static bool |
9f2fca56 | 1061 | parse_boolean (const char *env, const char *val, void *const params[]) |
953ff289 | 1062 | { |
9f2fca56 | 1063 | bool *value = (bool *) params[0]; |
953ff289 | 1064 | |
9f2fca56 | 1065 | if (val == NULL) |
6fae7eda | 1066 | return false; |
953ff289 | 1067 | |
9f2fca56 MV |
1068 | while (isspace ((unsigned char) *val)) |
1069 | ++val; | |
1070 | if (strncasecmp (val, "true", 4) == 0) | |
89b3e3cd JJ |
1071 | { |
1072 | *value = true; | |
9f2fca56 | 1073 | val += 4; |
89b3e3cd | 1074 | } |
9f2fca56 | 1075 | else if (strncasecmp (val, "false", 5) == 0) |
89b3e3cd JJ |
1076 | { |
1077 | *value = false; | |
9f2fca56 | 1078 | val += 5; |
89b3e3cd | 1079 | } |
953ff289 | 1080 | else |
9f2fca56 MV |
1081 | val = "X"; |
1082 | while (isspace ((unsigned char) *val)) | |
1083 | ++val; | |
1084 | if (*val != '\0') | |
6fae7eda | 1085 | { |
9f2fca56 | 1086 | print_env_var_error (env, val); |
6fae7eda KCY |
1087 | return false; |
1088 | } | |
1089 | return true; | |
953ff289 DN |
1090 | } |
1091 | ||
800bcc8c | 1092 | /* Parse the OMP_WAIT_POLICY environment variable and return the value. */ |
a68ab351 | 1093 | |
9f2fca56 MV |
1094 | static bool |
1095 | parse_wait_policy (const char *env, const char *val, void *const params[]) | |
a68ab351 | 1096 | { |
9f2fca56 | 1097 | int *pvalue = (int *) params[0]; |
a68ab351 JJ |
1098 | int ret = -1; |
1099 | ||
9f2fca56 MV |
1100 | if (val == NULL) |
1101 | { | |
1102 | *pvalue = -1; | |
1103 | return false; | |
1104 | } | |
a68ab351 | 1105 | |
9f2fca56 MV |
1106 | while (isspace ((unsigned char) *val)) |
1107 | ++val; | |
1108 | if (strncasecmp (val, "active", 6) == 0) | |
a68ab351 JJ |
1109 | { |
1110 | ret = 1; | |
9f2fca56 | 1111 | val += 6; |
a68ab351 | 1112 | } |
9f2fca56 | 1113 | else if (strncasecmp (val, "passive", 7) == 0) |
a68ab351 JJ |
1114 | { |
1115 | ret = 0; | |
9f2fca56 | 1116 | val += 7; |
a68ab351 JJ |
1117 | } |
1118 | else | |
9f2fca56 MV |
1119 | val = "X"; |
1120 | while (isspace ((unsigned char) *val)) | |
1121 | ++val; | |
1122 | if (*val == '\0') | |
1123 | { | |
1124 | *pvalue = ret; | |
1125 | return true; | |
1126 | } | |
1127 | print_env_var_error (env, val); | |
1128 | *pvalue = -1; | |
1129 | return false; | |
a68ab351 JJ |
1130 | } |
1131 | ||
a0884cf0 JJ |
1132 | /* Parse the GOMP_CPU_AFFINITY environment varible. Return true if one was |
1133 | present and it was successfully parsed. */ | |
1134 | ||
1135 | static bool | |
f89163fd | 1136 | parse_affinity (bool ignore) |
a0884cf0 | 1137 | { |
acf0174b JJ |
1138 | char *env, *end, *start; |
1139 | int pass; | |
a0884cf0 | 1140 | unsigned long cpu_beg, cpu_end, cpu_stride; |
acf0174b | 1141 | size_t count = 0, needed; |
a0884cf0 JJ |
1142 | |
1143 | env = getenv ("GOMP_CPU_AFFINITY"); | |
1144 | if (env == NULL) | |
1145 | return false; | |
1146 | ||
acf0174b JJ |
1147 | start = env; |
1148 | for (pass = 0; pass < 2; pass++) | |
a0884cf0 | 1149 | { |
acf0174b JJ |
1150 | env = start; |
1151 | if (pass == 1) | |
a0884cf0 | 1152 | { |
f89163fd JJ |
1153 | if (ignore) |
1154 | return false; | |
1155 | ||
acf0174b JJ |
1156 | gomp_places_list_len = 0; |
1157 | gomp_places_list = gomp_affinity_alloc (count, true); | |
1158 | if (gomp_places_list == NULL) | |
1159 | return false; | |
1160 | } | |
1161 | do | |
1162 | { | |
1163 | while (isspace ((unsigned char) *env)) | |
1164 | ++env; | |
1165 | ||
1166 | errno = 0; | |
1167 | cpu_beg = strtoul (env, &end, 0); | |
c057ed9c | 1168 | if (errno || end == env || cpu_beg >= 65536) |
a0884cf0 | 1169 | goto invalid; |
acf0174b JJ |
1170 | cpu_end = cpu_beg; |
1171 | cpu_stride = 1; | |
a0884cf0 JJ |
1172 | |
1173 | env = end; | |
acf0174b | 1174 | if (*env == '-') |
a0884cf0 | 1175 | { |
acf0174b JJ |
1176 | errno = 0; |
1177 | cpu_end = strtoul (++env, &end, 0); | |
c057ed9c | 1178 | if (errno || end == env || cpu_end >= 65536 || cpu_end < cpu_beg) |
a0884cf0 JJ |
1179 | goto invalid; |
1180 | ||
1181 | env = end; | |
acf0174b JJ |
1182 | if (*env == ':') |
1183 | { | |
1184 | errno = 0; | |
1185 | cpu_stride = strtoul (++env, &end, 0); | |
1186 | if (errno || cpu_stride == 0 || cpu_stride >= 65536) | |
1187 | goto invalid; | |
a0884cf0 | 1188 | |
acf0174b JJ |
1189 | env = end; |
1190 | } | |
1191 | } | |
a0884cf0 | 1192 | |
acf0174b JJ |
1193 | needed = (cpu_end - cpu_beg) / cpu_stride + 1; |
1194 | if (pass == 0) | |
1195 | count += needed; | |
a0884cf0 | 1196 | else |
a0884cf0 | 1197 | { |
acf0174b JJ |
1198 | while (needed--) |
1199 | { | |
1200 | void *p = gomp_places_list[gomp_places_list_len]; | |
1201 | gomp_affinity_init_place (p); | |
1202 | if (gomp_affinity_add_cpus (p, cpu_beg, 1, 0, true)) | |
1203 | ++gomp_places_list_len; | |
1204 | cpu_beg += cpu_stride; | |
1205 | } | |
a0884cf0 JJ |
1206 | } |
1207 | ||
acf0174b JJ |
1208 | while (isspace ((unsigned char) *env)) |
1209 | ++env; | |
a0884cf0 | 1210 | |
acf0174b JJ |
1211 | if (*env == ',') |
1212 | env++; | |
1213 | else if (*env == '\0') | |
1214 | break; | |
a0884cf0 | 1215 | } |
acf0174b | 1216 | while (1); |
a0884cf0 | 1217 | } |
a0884cf0 | 1218 | |
acf0174b JJ |
1219 | if (gomp_places_list_len == 0) |
1220 | { | |
1221 | free (gomp_places_list); | |
1222 | gomp_places_list = NULL; | |
f89163fd | 1223 | return false; |
acf0174b | 1224 | } |
a0884cf0 JJ |
1225 | return true; |
1226 | ||
1227 | invalid: | |
1228 | gomp_error ("Invalid value for enviroment variable GOMP_CPU_AFFINITY"); | |
1229 | return false; | |
1230 | } | |
1231 | ||
800bcc8c | 1232 | /* Parse the OMP_ALLOCATOR environment variable and return the value. */ |
9f2fca56 MV |
1233 | static bool |
1234 | parse_allocator (const char *env, const char *val, void *const params[]) | |
800bcc8c | 1235 | { |
9f2fca56 MV |
1236 | uintptr_t *ret = (uintptr_t *) params[0]; |
1237 | *ret = omp_default_mem_alloc; | |
800bcc8c | 1238 | |
9f2fca56 MV |
1239 | if (val == NULL) |
1240 | return false; | |
800bcc8c | 1241 | |
9f2fca56 MV |
1242 | while (isspace ((unsigned char) *val)) |
1243 | ++val; | |
800bcc8c JJ |
1244 | if (0) |
1245 | ; | |
1246 | #define C(v) \ | |
9f2fca56 | 1247 | else if (strncasecmp (val, #v, sizeof (#v) - 1) == 0) \ |
800bcc8c | 1248 | { \ |
9f2fca56 MV |
1249 | *ret = v; \ |
1250 | val += sizeof (#v) - 1; \ | |
800bcc8c JJ |
1251 | } |
1252 | C (omp_default_mem_alloc) | |
1253 | C (omp_large_cap_mem_alloc) | |
1254 | C (omp_const_mem_alloc) | |
1255 | C (omp_high_bw_mem_alloc) | |
1256 | C (omp_low_lat_mem_alloc) | |
1257 | C (omp_cgroup_mem_alloc) | |
1258 | C (omp_pteam_mem_alloc) | |
1259 | C (omp_thread_mem_alloc) | |
1260 | #undef C | |
1261 | else | |
9f2fca56 MV |
1262 | val = "X"; |
1263 | while (isspace ((unsigned char) *val)) | |
1264 | ++val; | |
1265 | if (*val == '\0') | |
1266 | return true; | |
1267 | print_env_var_error (env, val); | |
1268 | *ret = omp_default_mem_alloc; | |
1269 | return false; | |
800bcc8c JJ |
1270 | } |
1271 | ||
41dbbb37 TS |
1272 | static void |
1273 | parse_acc_device_type (void) | |
1274 | { | |
1275 | const char *env = getenv ("ACC_DEVICE_TYPE"); | |
1276 | ||
1277 | if (env && *env != '\0') | |
1278 | goacc_device_type = strdup (env); | |
1279 | else | |
1280 | goacc_device_type = NULL; | |
1281 | } | |
acf0174b | 1282 | |
ec00d3fa TV |
1283 | static void |
1284 | parse_gomp_openacc_dim (void) | |
1285 | { | |
1286 | /* The syntax is the same as for the -fopenacc-dim compilation option. */ | |
1287 | const char *var_name = "GOMP_OPENACC_DIM"; | |
1288 | const char *env_var = getenv (var_name); | |
c057ed9c JJ |
1289 | const char *pos = env_var; |
1290 | int i; | |
1291 | ||
ec00d3fa TV |
1292 | if (!env_var) |
1293 | return; | |
1294 | ||
ec00d3fa TV |
1295 | for (i = 0; *pos && i != GOMP_DIM_MAX; i++) |
1296 | { | |
c057ed9c JJ |
1297 | char *eptr; |
1298 | long val; | |
1299 | ||
ec00d3fa TV |
1300 | if (i && *pos++ != ':') |
1301 | break; | |
1302 | ||
1303 | if (*pos == ':') | |
1304 | continue; | |
1305 | ||
ec00d3fa | 1306 | errno = 0; |
c057ed9c | 1307 | val = strtol (pos, &eptr, 10); |
00c9ce13 | 1308 | if (errno || eptr == pos || val < 0 || (unsigned)val != val) |
ec00d3fa TV |
1309 | break; |
1310 | ||
1311 | goacc_default_dims[i] = (int)val; | |
c057ed9c | 1312 | pos = (const char *) eptr; |
ec00d3fa TV |
1313 | } |
1314 | } | |
1315 | ||
9f2fca56 MV |
1316 | /* Helper function for omp_display_env which prints the values of run_sched_var. |
1317 | 'device' can be 'host', 'dev', 'all' or a particular device number. */ | |
acf0174b | 1318 | |
9f2fca56 MV |
1319 | static void |
1320 | print_schedule (enum gomp_schedule_type run_sched_var, int run_sched_chunk_size, | |
1321 | const char *device) | |
1322 | { | |
1323 | fprintf (stderr, " [%s] OMP_SCHEDULE = '", device); | |
1324 | if ((run_sched_var & GFS_MONOTONIC)) | |
28567c40 | 1325 | { |
9f2fca56 | 1326 | if (run_sched_var != (GFS_MONOTONIC | GFS_STATIC)) |
28567c40 JJ |
1327 | fputs ("MONOTONIC:", stderr); |
1328 | } | |
9f2fca56 | 1329 | else if (run_sched_var == GFS_STATIC) |
28567c40 | 1330 | fputs ("NONMONOTONIC:", stderr); |
9f2fca56 | 1331 | switch (run_sched_var & ~GFS_MONOTONIC) |
acf0174b JJ |
1332 | { |
1333 | case GFS_RUNTIME: | |
1334 | fputs ("RUNTIME", stderr); | |
9f2fca56 MV |
1335 | if (run_sched_chunk_size != 1) |
1336 | fprintf (stderr, ",%d", run_sched_chunk_size); | |
acf0174b JJ |
1337 | break; |
1338 | case GFS_STATIC: | |
1339 | fputs ("STATIC", stderr); | |
9f2fca56 MV |
1340 | if (run_sched_chunk_size != 0) |
1341 | fprintf (stderr, ",%d", run_sched_chunk_size); | |
acf0174b JJ |
1342 | break; |
1343 | case GFS_DYNAMIC: | |
1344 | fputs ("DYNAMIC", stderr); | |
9f2fca56 MV |
1345 | if (run_sched_chunk_size != 1) |
1346 | fprintf (stderr, ",%d", run_sched_chunk_size); | |
acf0174b JJ |
1347 | break; |
1348 | case GFS_GUIDED: | |
1349 | fputs ("GUIDED", stderr); | |
9f2fca56 MV |
1350 | if (run_sched_chunk_size != 1) |
1351 | fprintf (stderr, ",%d", run_sched_chunk_size); | |
acf0174b JJ |
1352 | break; |
1353 | case GFS_AUTO: | |
1354 | fputs ("AUTO", stderr); | |
1355 | break; | |
1356 | } | |
1357 | fputs ("'\n", stderr); | |
9f2fca56 MV |
1358 | } |
1359 | ||
1360 | /* Helper function for omp_display_env which prints the values of proc_bind_var. | |
1361 | 'device' can be 'host', 'dev', 'all', or a particular device number. */ | |
acf0174b | 1362 | |
9f2fca56 MV |
1363 | static void |
1364 | print_proc_bind (char proc_bind_var, unsigned long len, char **list, | |
1365 | const char *device) | |
1366 | { | |
1367 | fprintf (stderr, " [%s] OMP_PROC_BIND = '", device); | |
1368 | switch (proc_bind_var) | |
acf0174b JJ |
1369 | { |
1370 | case omp_proc_bind_false: | |
1371 | fputs ("FALSE", stderr); | |
1372 | break; | |
1373 | case omp_proc_bind_true: | |
1374 | fputs ("TRUE", stderr); | |
1375 | break; | |
1376 | case omp_proc_bind_master: | |
432de084 | 1377 | fputs ("MASTER", stderr); /* TODO: Change to PRIMARY for OpenMP 5.1. */ |
acf0174b JJ |
1378 | break; |
1379 | case omp_proc_bind_close: | |
1380 | fputs ("CLOSE", stderr); | |
1381 | break; | |
1382 | case omp_proc_bind_spread: | |
1383 | fputs ("SPREAD", stderr); | |
1384 | break; | |
1385 | } | |
9f2fca56 MV |
1386 | for (int i = 1; i < len; i++) |
1387 | switch ((*list)[i]) | |
acf0174b JJ |
1388 | { |
1389 | case omp_proc_bind_master: | |
432de084 | 1390 | fputs (",MASTER", stderr); /* TODO: Change to PRIMARY for OpenMP 5.1. */ |
acf0174b JJ |
1391 | break; |
1392 | case omp_proc_bind_close: | |
1393 | fputs (",CLOSE", stderr); | |
1394 | break; | |
1395 | case omp_proc_bind_spread: | |
1396 | fputs (",SPREAD", stderr); | |
1397 | break; | |
1398 | } | |
1399 | fputs ("'\n", stderr); | |
9f2fca56 MV |
1400 | } |
1401 | ||
1402 | enum gomp_parse_type | |
1403 | { | |
1404 | PARSE_INT = 1, | |
1405 | PARSE_BOOL = 2, | |
1406 | PARSE_UINT = 3, | |
1407 | PARSE_ULONG = 4, | |
1408 | PARSE_UCHAR = 5, | |
1409 | PARSE_SCHEDULE =6, | |
1410 | PARSE_BIND = 7 | |
1411 | }; | |
1412 | ||
1413 | /* The following table contains items that help parsing environment variables | |
1414 | and fill corresponding ICVs with values. FLAG_VARS contain all ICVS which | |
1415 | are affected by the environment variable. FLAGS determine what variant of | |
1416 | environment variable is allowed. */ | |
1417 | ||
1418 | #define ENTRY(NAME) NAME, sizeof (NAME) - 1 | |
1419 | static const struct envvar | |
1420 | { | |
1421 | const char *name; | |
1422 | int name_len; | |
1423 | uint8_t flag_vars[3]; | |
1424 | uint8_t flag; | |
1425 | bool (*parse_func) (const char *, const char *, void *const[]); | |
1426 | } envvars[] = { | |
1427 | { ENTRY ("SCHEDULE"), | |
1428 | { GOMP_ICV_SCHEDULE, GOMP_ICV_SCHEDULE_CHUNK_SIZE }, | |
1429 | GOMP_ENV_SUFFIX_DEV | GOMP_ENV_SUFFIX_ALL | GOMP_ENV_SUFFIX_DEV_X, | |
1430 | &parse_schedule }, | |
1431 | { ENTRY ("NUM_TEAMS"), | |
1432 | { GOMP_ICV_NTEAMS }, | |
1433 | GOMP_ENV_SUFFIX_DEV | GOMP_ENV_SUFFIX_ALL | GOMP_ENV_SUFFIX_DEV_X, | |
1434 | &parse_int }, | |
1435 | { ENTRY ("DYNAMIC"), | |
1436 | { GOMP_ICV_DYNAMIC }, | |
1437 | GOMP_ENV_SUFFIX_DEV | GOMP_ENV_SUFFIX_ALL | GOMP_ENV_SUFFIX_DEV_X, | |
1438 | &parse_boolean }, | |
1439 | { ENTRY ("TEAMS_THREAD_LIMIT"), | |
1440 | { GOMP_ICV_TEAMS_THREAD_LIMIT }, | |
1441 | GOMP_ENV_SUFFIX_DEV | GOMP_ENV_SUFFIX_ALL | GOMP_ENV_SUFFIX_DEV_X, | |
1442 | &parse_int }, | |
1443 | { ENTRY ("THREAD_LIMIT"), | |
1444 | { GOMP_ICV_THREAD_LIMIT }, | |
1445 | GOMP_ENV_SUFFIX_DEV | GOMP_ENV_SUFFIX_ALL | GOMP_ENV_SUFFIX_DEV_X, | |
1446 | &parse_unsigned_long }, | |
1447 | { ENTRY ("NUM_THREADS"), | |
1448 | { GOMP_ICV_NTHREADS, GOMP_ICV_NTHREADS_LIST, GOMP_ICV_NTHREADS_LIST_LEN }, | |
1449 | GOMP_ENV_SUFFIX_DEV | GOMP_ENV_SUFFIX_ALL | GOMP_ENV_SUFFIX_DEV_X, | |
1450 | &parse_unsigned_long_list }, | |
1451 | { ENTRY ("PROC_BIND"), | |
1452 | { GOMP_ICV_BIND, GOMP_ICV_BIND_LIST, GOMP_ICV_BIND_LIST_LEN }, | |
1453 | GOMP_ENV_SUFFIX_DEV | GOMP_ENV_SUFFIX_ALL | GOMP_ENV_SUFFIX_DEV_X, | |
1454 | &parse_bind_var }, | |
1455 | { ENTRY ("MAX_ACTIVE_LEVELS"), | |
1456 | { GOMP_ICV_MAX_ACTIVE_LEVELS }, | |
1457 | GOMP_ENV_SUFFIX_DEV | GOMP_ENV_SUFFIX_ALL | GOMP_ENV_SUFFIX_DEV_X, | |
1458 | &parse_unsigned_long }, | |
1459 | { ENTRY ("WAIT_POLICY"), | |
1460 | { GOMP_ICV_WAIT_POLICY }, | |
1461 | GOMP_ENV_SUFFIX_DEV | GOMP_ENV_SUFFIX_ALL | GOMP_ENV_SUFFIX_DEV_X, | |
1462 | &parse_wait_policy }, | |
1463 | { ENTRY ("STACKSIZE"), | |
1464 | { GOMP_ICV_STACKSIZE }, | |
1465 | GOMP_ENV_SUFFIX_DEV | GOMP_ENV_SUFFIX_ALL | GOMP_ENV_SUFFIX_DEV_X, | |
1466 | &parse_stacksize }, | |
1467 | { ENTRY ("CANCELLATION"), { GOMP_ICV_CANCELLATION }, 0, &parse_boolean }, | |
1468 | { ENTRY ("DISPLAY_AFFINITY"), { GOMP_ICV_DISPLAY_AFFINITY }, 0, | |
1469 | &parse_boolean }, | |
1470 | { ENTRY ("TARGET_OFFLOAD"), { GOMP_ICV_TARGET_OFFLOAD }, 0, | |
1471 | &parse_target_offload }, | |
1472 | { ENTRY ("MAX_TASK_PRIORITY"), { GOMP_ICV_MAX_TASK_PRIORITY }, 0, | |
1473 | &parse_int }, | |
1474 | { ENTRY ("ALLOCATOR"), { GOMP_ICV_ALLOCATOR }, 0, &parse_allocator }, | |
1475 | { ENTRY ("DEFAULT_DEVICE"), { GOMP_ICV_DEFAULT_DEVICE }, | |
1476 | GOMP_ENV_SUFFIX_DEV | GOMP_ENV_SUFFIX_ALL | GOMP_ENV_SUFFIX_DEV_X, | |
1477 | &parse_int } | |
1478 | }; | |
1479 | #undef ENTRY | |
1480 | #define OMP_VAR_CNT (sizeof (envvars) / sizeof (envvars[0])) | |
1481 | ||
1482 | /* The following table is used to apply the hierarchy of ICV variants for host | |
1483 | variables, e.g. nteams_var is set to OMP_NUM_TEAMS_ALL if OMP_NUM_TEAMS is | |
1484 | undefined. */ | |
1485 | ||
1486 | static const struct host_envvar | |
1487 | { | |
1488 | unsigned char flag_var; | |
1489 | void *dest[3]; | |
1490 | int type_code; | |
1491 | } host_envvars[] = { | |
1492 | { GOMP_ICV_NTEAMS, { &gomp_nteams_var }, PARSE_INT }, | |
1493 | { GOMP_ICV_DYNAMIC, { &gomp_global_icv.dyn_var }, PARSE_BOOL }, | |
1494 | { GOMP_ICV_DEFAULT_DEVICE, { &gomp_global_icv.default_device_var }, | |
1495 | PARSE_INT }, | |
1496 | { GOMP_ICV_TEAMS_THREAD_LIMIT, { &gomp_teams_thread_limit_var }, PARSE_INT }, | |
1497 | { GOMP_ICV_SCHEDULE, | |
1498 | { &gomp_global_icv.run_sched_var, &gomp_global_icv.run_sched_chunk_size }, | |
1499 | PARSE_SCHEDULE }, | |
1500 | { GOMP_ICV_THREAD_LIMIT, { &gomp_global_icv.thread_limit_var }, PARSE_UINT }, | |
1501 | { GOMP_ICV_NTHREADS, | |
1502 | { &gomp_global_icv.nthreads_var, &gomp_nthreads_var_list, | |
1503 | &gomp_nthreads_var_list_len }, PARSE_ULONG }, | |
1504 | { GOMP_ICV_BIND, | |
1505 | { &gomp_global_icv.bind_var, &gomp_bind_var_list, &gomp_bind_var_list_len }, | |
1506 | PARSE_BIND }, | |
1507 | { GOMP_ICV_MAX_ACTIVE_LEVELS, { &gomp_global_icv.max_active_levels_var }, | |
1508 | PARSE_UCHAR }, | |
1509 | }; | |
1510 | #define OMP_HOST_VAR_CNT (sizeof (host_envvars) / sizeof (host_envvars[0])) | |
1511 | ||
1512 | #define INT_MAX_STR_LEN 10 | |
1513 | ||
1514 | bool | |
1515 | gomp_get_icv_flag (uint32_t value, enum gomp_icvs icv) | |
1516 | { | |
1517 | return value & (1 << (icv - 1)); | |
1518 | } | |
1519 | ||
1520 | static void | |
1521 | gomp_set_icv_flag (uint32_t *value, enum gomp_icvs icv) | |
1522 | { | |
1523 | *value |= 1 << (icv - 1); | |
1524 | } | |
1525 | ||
1526 | static void | |
1527 | print_device_specific_icvs (int icv_code) | |
1528 | { | |
1529 | struct gomp_icv_list *list = gomp_initial_icv_list; | |
1530 | int i; | |
1531 | char dev_num[INT_MAX_STR_LEN + 1]; | |
1532 | ||
1533 | while (list != NULL) | |
1534 | { | |
1535 | if (list->device_num < 0) | |
1536 | { | |
1537 | list = list->next; | |
1538 | continue; | |
1539 | } | |
1540 | ||
1541 | switch (icv_code) | |
1542 | { | |
1543 | case GOMP_ICV_NTEAMS: | |
1544 | if (gomp_get_icv_flag (list->flags, GOMP_ICV_NTEAMS)) | |
1545 | fprintf (stderr, " [%d] OMP_NUM_TEAMS = '%d'\n", | |
1546 | list->device_num, list->icvs.nteams_var); | |
1547 | break; | |
1548 | case GOMP_ICV_DYNAMIC: | |
1549 | if (gomp_get_icv_flag (list->flags, GOMP_ICV_DYNAMIC)) | |
1550 | fprintf (stderr, " [%d] OMP_DYNAMIC = '%s'\n", | |
1551 | list->device_num, list->icvs.dyn_var ? "TRUE" : "FALSE"); | |
1552 | break; | |
1553 | case GOMP_ICV_TEAMS_THREAD_LIMIT: | |
1554 | if (gomp_get_icv_flag (list->flags, GOMP_ICV_TEAMS_THREAD_LIMIT)) | |
1555 | fprintf (stderr, " [%d] OMP_TEAMS_THREAD_LIMIT = '%u'\n", | |
1556 | list->device_num, list->icvs.teams_thread_limit_var); | |
1557 | break; | |
1558 | case GOMP_ICV_SCHEDULE: | |
1559 | if (!(gomp_get_icv_flag (list->flags, GOMP_ICV_SCHEDULE))) | |
1560 | break; | |
1561 | sprintf (dev_num, "%d", list->device_num); | |
1562 | print_schedule (list->icvs.run_sched_var, | |
1563 | list->icvs.run_sched_chunk_size, | |
1564 | dev_num); | |
1565 | break; | |
1566 | case GOMP_ICV_THREAD_LIMIT: | |
1567 | if (gomp_get_icv_flag (list->flags, GOMP_ICV_THREAD_LIMIT)) | |
1568 | fprintf (stderr, " [%d] OMP_THREAD_LIMIT = '%d'\n", | |
1569 | list->device_num, list->icvs.thread_limit_var); | |
1570 | break; | |
1571 | case GOMP_ICV_NTHREADS: | |
1572 | if (!(gomp_get_icv_flag (list->flags, GOMP_ICV_NTHREADS))) | |
1573 | break; | |
1574 | fprintf (stderr, " [%d] OMP_NUM_THREADS = '%lu", list->device_num, | |
1575 | list->icvs.nthreads_var); | |
1576 | for (i = 1; i < list->icvs.nthreads_var_list_len; i++) | |
1577 | fprintf (stderr, ",%lu", list->icvs.nthreads_var_list[i]); | |
1578 | fputs ("'\n", stderr); | |
1579 | break; | |
1580 | case GOMP_ICV_MAX_ACTIVE_LEVELS: | |
1581 | fprintf (stderr, " [%d] OMP_MAX_ACTIVE_LEVELS = '%u'\n", | |
1582 | list->device_num, list->icvs.max_active_levels_var); | |
1583 | break; | |
1584 | case GOMP_ICV_BIND: | |
1585 | if (!(gomp_get_icv_flag (list->flags, GOMP_ICV_BIND))) | |
1586 | break; | |
1587 | sprintf (dev_num, "%d", list->device_num); | |
1588 | print_proc_bind (list->icvs.bind_var, list->icvs.bind_var_list_len, | |
1589 | &list->icvs.bind_var_list, dev_num); | |
1590 | break; | |
1591 | case GOMP_ICV_WAIT_POLICY: | |
1592 | if (gomp_get_icv_flag (list->flags, GOMP_ICV_WAIT_POLICY)) | |
1593 | fprintf (stderr, " [%d] OMP_WAIT_POLICY = '%s'\n", | |
1594 | list->device_num, | |
1595 | list->icvs.wait_policy > 0 ? "ACTIVE" : "PASSIVE"); | |
1596 | break; | |
1597 | case GOMP_ICV_STACKSIZE: | |
1598 | if (gomp_get_icv_flag (list->flags, GOMP_ICV_STACKSIZE)) | |
1599 | fprintf (stderr, " [%d] OMP_STACKSIZE = '%lu'\n", | |
1600 | list->device_num, list->icvs.stacksize); | |
1601 | break; | |
1602 | } | |
1603 | list = list->next; | |
1604 | } | |
1605 | } | |
1606 | ||
1607 | void | |
1608 | omp_display_env (int verbose) | |
1609 | { | |
1610 | int i; | |
1611 | struct gomp_icv_list *dev | |
1612 | = gomp_get_initial_icv_item (GOMP_DEVICE_NUM_FOR_DEV); | |
1613 | struct gomp_icv_list *all | |
1614 | = gomp_get_initial_icv_item (GOMP_DEVICE_NUM_FOR_ALL); | |
1615 | struct gomp_icv_list *none | |
1616 | = gomp_get_initial_icv_item (GOMP_DEVICE_NUM_FOR_NO_SUFFIX); | |
1617 | ||
18c8b56c TB |
1618 | if (none->icvs.default_device_var == INT_MIN) |
1619 | /* This implies OMP_TARGET_OFFLOAD=mandatory. */ | |
1620 | gomp_init_targets_once (); | |
1621 | ||
9f2fca56 MV |
1622 | fputs ("\nOPENMP DISPLAY ENVIRONMENT BEGIN\n", stderr); |
1623 | ||
1624 | fputs (" _OPENMP = '201511'\n", stderr); | |
1625 | ||
1626 | fprintf (stderr, " [host] OMP_DYNAMIC = '%s'\n", | |
1627 | none->icvs.dyn_var ? "TRUE" : "FALSE"); | |
1628 | if (all != NULL && gomp_get_icv_flag (all->flags, GOMP_ICV_DYNAMIC)) | |
1629 | fprintf (stderr, " [all] OMP_DYNAMIC = '%s'\n", | |
1630 | all->icvs.dyn_var ? "TRUE" : "FALSE"); | |
1631 | if (dev != NULL && gomp_get_icv_flag (dev->flags, GOMP_ICV_DYNAMIC)) | |
1632 | fprintf (stderr, " [device] OMP_DYNAMIC = '%s'\n", | |
1633 | dev->icvs.dyn_var ? "TRUE" : "FALSE"); | |
1634 | print_device_specific_icvs (GOMP_ICV_DYNAMIC); | |
1635 | ||
1636 | /* The OMP_NESTED environment variable has been deprecated. */ | |
1637 | fprintf (stderr, " [host] OMP_NESTED = '%s'\n", | |
1638 | none->icvs.max_active_levels_var > 1 ? "TRUE" : "FALSE"); | |
1639 | ||
1640 | fprintf (stderr, " [host] OMP_NUM_THREADS = '%lu", | |
1641 | none->icvs.nthreads_var); | |
1642 | for (i = 1; i < none->icvs.nthreads_var_list_len; i++) | |
1643 | fprintf (stderr, ",%lu", none->icvs.nthreads_var_list[i]); | |
1644 | fputs ("'\n", stderr); | |
1645 | if (all != NULL && gomp_get_icv_flag (all->flags, GOMP_ICV_NTHREADS)) | |
1646 | { | |
1647 | fprintf (stderr, " [all] OMP_NUM_THREADS = '%lu", | |
1648 | all->icvs.nthreads_var); | |
1649 | for (i = 1; i < all->icvs.nthreads_var_list_len; i++) | |
1650 | fprintf (stderr, ",%lu", all->icvs.nthreads_var_list[i]); | |
1651 | fputs ("'\n", stderr); | |
1652 | } | |
1653 | if (dev != NULL && gomp_get_icv_flag (dev->flags, GOMP_ICV_NTHREADS)) | |
1654 | { | |
1655 | fprintf (stderr, " [device] OMP_NUM_THREADS = '%lu", | |
1656 | dev->icvs.nthreads_var); | |
1657 | for (i = 1; i < dev->icvs.nthreads_var_list_len; i++) | |
1658 | fprintf (stderr, ",%lu", dev->icvs.nthreads_var_list[i]); | |
1659 | fputs ("'\n", stderr); | |
1660 | } | |
1661 | print_device_specific_icvs (GOMP_ICV_NTHREADS); | |
1662 | ||
1663 | ||
1664 | print_schedule (none->icvs.run_sched_var, | |
1665 | none->icvs.run_sched_chunk_size, "host"); | |
1666 | if (all != NULL && gomp_get_icv_flag (all->flags, GOMP_ICV_SCHEDULE)) | |
1667 | print_schedule (all->icvs.run_sched_var, | |
1668 | all->icvs.run_sched_chunk_size, "all"); | |
1669 | if (dev != NULL && gomp_get_icv_flag (dev->flags, GOMP_ICV_SCHEDULE)) | |
1670 | print_schedule (dev->icvs.run_sched_var, | |
1671 | dev->icvs.run_sched_chunk_size, "device"); | |
1672 | print_device_specific_icvs (GOMP_ICV_SCHEDULE); | |
1673 | ||
1674 | print_proc_bind (none->icvs.bind_var, | |
1675 | none->icvs.bind_var_list_len, | |
1676 | &none->icvs.bind_var_list, "host"); | |
1677 | if (all != NULL && gomp_get_icv_flag (all->flags, GOMP_ICV_BIND)) | |
1678 | print_proc_bind (all->icvs.bind_var, | |
1679 | all->icvs.bind_var_list_len, | |
1680 | &all->icvs.bind_var_list, "all"); | |
1681 | if (dev != NULL && gomp_get_icv_flag (dev->flags, GOMP_ICV_BIND)) | |
1682 | print_proc_bind (dev->icvs.bind_var, | |
1683 | dev->icvs.bind_var_list_len, | |
1684 | &dev->icvs.bind_var_list, "device"); | |
1685 | print_device_specific_icvs (GOMP_ICV_BIND); | |
1686 | ||
1687 | fputs (" [host] OMP_PLACES = '", stderr); | |
acf0174b JJ |
1688 | for (i = 0; i < gomp_places_list_len; i++) |
1689 | { | |
1690 | fputs ("{", stderr); | |
1691 | gomp_affinity_print_place (gomp_places_list[i]); | |
1692 | fputs (i + 1 == gomp_places_list_len ? "}" : "},", stderr); | |
1693 | } | |
1694 | fputs ("'\n", stderr); | |
1695 | ||
9f2fca56 MV |
1696 | fprintf (stderr, " [host] OMP_STACKSIZE = '%lu'\n", |
1697 | none->icvs.stacksize); | |
1698 | if (all != NULL && gomp_get_icv_flag (all->flags, GOMP_ICV_STACKSIZE)) | |
1699 | fprintf (stderr, " [all] OMP_STACKSIZE = '%lu'\n", | |
1700 | all->icvs.stacksize); | |
1701 | if (dev != NULL && gomp_get_icv_flag (dev->flags, GOMP_ICV_STACKSIZE)) | |
1702 | fprintf (stderr, " [device] OMP_STACKSIZE = '%lu'\n", | |
1703 | dev->icvs.stacksize); | |
1704 | print_device_specific_icvs (GOMP_ICV_STACKSIZE); | |
acf0174b JJ |
1705 | |
1706 | /* GOMP's default value is actually neither active nor passive. */ | |
9f2fca56 MV |
1707 | fprintf (stderr, " [host] OMP_WAIT_POLICY = '%s'\n", |
1708 | none->icvs.wait_policy > 0 ? "ACTIVE" : "PASSIVE"); | |
1709 | if (all != NULL && gomp_get_icv_flag (all->flags, GOMP_ICV_WAIT_POLICY)) | |
1710 | fprintf (stderr, " [all] OMP_WAIT_POLICY = '%s'\n", | |
1711 | all->icvs.wait_policy > 0 ? "ACTIVE" : "PASSIVE"); | |
1712 | if (dev != NULL && gomp_get_icv_flag (dev->flags, GOMP_ICV_WAIT_POLICY)) | |
1713 | fprintf (stderr, " [device] OMP_WAIT_POLICY = '%s'\n", | |
1714 | dev->icvs.wait_policy > 0 ? "ACTIVE" : "PASSIVE"); | |
1715 | print_device_specific_icvs (GOMP_ICV_WAIT_POLICY); | |
1716 | ||
1717 | fprintf (stderr, " [host] OMP_THREAD_LIMIT = '%u'\n", | |
1718 | none->icvs.thread_limit_var); | |
1719 | if (all != NULL && gomp_get_icv_flag (all->flags, GOMP_ICV_THREAD_LIMIT)) | |
1720 | fprintf (stderr, " [all] OMP_THREAD_LIMIT = '%d'\n", | |
1721 | all->icvs.thread_limit_var); | |
1722 | if (dev != NULL && gomp_get_icv_flag (dev->flags, GOMP_ICV_THREAD_LIMIT)) | |
1723 | fprintf (stderr, " [device] OMP_THREAD_LIMIT = '%d'\n", | |
1724 | dev->icvs.thread_limit_var); | |
1725 | print_device_specific_icvs (GOMP_ICV_THREAD_LIMIT); | |
1726 | ||
1727 | fprintf (stderr, " [host] OMP_MAX_ACTIVE_LEVELS = '%u'\n", | |
1728 | none->icvs.max_active_levels_var); | |
1729 | if (all != NULL && gomp_get_icv_flag (all->flags, | |
1730 | GOMP_ICV_MAX_ACTIVE_LEVELS)) | |
1731 | fprintf (stderr, " [all] OMP_MAX_ACTIVE_LEVELS = '%u'\n", | |
1732 | all->icvs.max_active_levels_var); | |
1733 | if (dev != NULL && gomp_get_icv_flag (dev->flags, | |
1734 | GOMP_ICV_MAX_ACTIVE_LEVELS)) | |
1735 | fprintf (stderr, " [device] OMP_MAX_ACTIVE_LEVELS = '%u'\n", | |
1736 | dev->icvs.max_active_levels_var); | |
1737 | print_device_specific_icvs (GOMP_ICV_MAX_ACTIVE_LEVELS); | |
1738 | ||
1739 | ||
1740 | fprintf (stderr, " [host] OMP_NUM_TEAMS = '%d'\n", | |
1741 | none->icvs.nteams_var); | |
1742 | if (all != NULL && gomp_get_icv_flag (all->flags, GOMP_ICV_NTEAMS)) | |
1743 | fprintf (stderr, " [all] OMP_NUM_TEAMS = '%d'\n", | |
1744 | all->icvs.nteams_var); | |
1745 | if (dev != NULL && gomp_get_icv_flag (dev->flags, GOMP_ICV_NTEAMS)) | |
1746 | fprintf (stderr, " [device] OMP_NUM_TEAMS = '%d'\n", | |
1747 | dev->icvs.nteams_var); | |
1748 | print_device_specific_icvs (GOMP_ICV_NTEAMS); | |
1749 | ||
1750 | fprintf (stderr, " [host] OMP_TEAMS_THREAD_LIMIT = '%u'\n", | |
1751 | none->icvs.teams_thread_limit_var); | |
1752 | if (all != NULL && gomp_get_icv_flag (all->flags, | |
1753 | GOMP_ICV_TEAMS_THREAD_LIMIT)) | |
1754 | fprintf (stderr, " [all] OMP_TEAMS_THREAD_LIMIT = '%u'\n", | |
1755 | all->icvs.teams_thread_limit_var); | |
1756 | if (dev != NULL && gomp_get_icv_flag (dev->flags, | |
1757 | GOMP_ICV_TEAMS_THREAD_LIMIT)) | |
1758 | fprintf (stderr, " [device] OMP_TEAMS_THREAD_LIMIT = '%u'\n", | |
1759 | dev->icvs.teams_thread_limit_var); | |
1760 | print_device_specific_icvs (GOMP_ICV_TEAMS_THREAD_LIMIT); | |
1761 | ||
1762 | fprintf (stderr, " [all] OMP_CANCELLATION = '%s'\n", | |
acf0174b | 1763 | gomp_cancel_var ? "TRUE" : "FALSE"); |
9f2fca56 MV |
1764 | |
1765 | fprintf (stderr, " [all] OMP_DEFAULT_DEVICE = '%d'\n", | |
1766 | none->icvs.default_device_var); | |
1767 | ||
1768 | fprintf (stderr, " [all] OMP_MAX_TASK_PRIORITY = '%d'\n", | |
d9a6bd32 | 1769 | gomp_max_task_priority_var); |
9f2fca56 | 1770 | fprintf (stderr, " [all] OMP_DISPLAY_AFFINITY = '%s'\n", |
28567c40 | 1771 | gomp_display_affinity_var ? "TRUE" : "FALSE"); |
9f2fca56 | 1772 | fprintf (stderr, " [host] OMP_AFFINITY_FORMAT = '%s'\n", |
28567c40 | 1773 | gomp_affinity_format_var); |
9f2fca56 | 1774 | fprintf (stderr, " [host] OMP_ALLOCATOR = '"); |
800bcc8c JJ |
1775 | switch (gomp_def_allocator) |
1776 | { | |
1777 | #define C(v) case v: fputs (#v, stderr); break; | |
1778 | C (omp_default_mem_alloc) | |
1779 | C (omp_large_cap_mem_alloc) | |
1780 | C (omp_const_mem_alloc) | |
1781 | C (omp_high_bw_mem_alloc) | |
1782 | C (omp_low_lat_mem_alloc) | |
1783 | C (omp_cgroup_mem_alloc) | |
1784 | C (omp_pteam_mem_alloc) | |
1785 | C (omp_thread_mem_alloc) | |
1786 | #undef C | |
1787 | default: break; | |
1788 | } | |
1789 | fputs ("'\n", stderr); | |
acf0174b | 1790 | |
9f2fca56 | 1791 | fputs (" [all] OMP_TARGET_OFFLOAD = '", stderr); |
1bfc07d1 KCY |
1792 | switch (gomp_target_offload_var) |
1793 | { | |
1794 | case GOMP_TARGET_OFFLOAD_DEFAULT: | |
1795 | fputs ("DEFAULT", stderr); | |
1796 | break; | |
1797 | case GOMP_TARGET_OFFLOAD_MANDATORY: | |
1798 | fputs ("MANDATORY", stderr); | |
1799 | break; | |
1800 | case GOMP_TARGET_OFFLOAD_DISABLED: | |
1801 | fputs ("DISABLED", stderr); | |
1802 | break; | |
1803 | } | |
1804 | fputs ("'\n", stderr); | |
1805 | ||
acf0174b JJ |
1806 | if (verbose) |
1807 | { | |
9f2fca56 MV |
1808 | fputs (" [host] GOMP_CPU_AFFINITY = ''\n", stderr); |
1809 | fprintf (stderr, " [host] GOMP_STACKSIZE = '%lu'\n", stacksize); | |
acf0174b | 1810 | #ifdef HAVE_INTTYPES_H |
9f2fca56 | 1811 | fprintf (stderr, " [host] GOMP_SPINCOUNT = '%"PRIu64"'\n", |
acf0174b JJ |
1812 | (uint64_t) gomp_spin_count_var); |
1813 | #else | |
9f2fca56 | 1814 | fprintf (stderr, " [host] GOMP_SPINCOUNT = '%lu'\n", |
acf0174b JJ |
1815 | (unsigned long) gomp_spin_count_var); |
1816 | #endif | |
1817 | } | |
1818 | ||
1819 | fputs ("OPENMP DISPLAY ENVIRONMENT END\n", stderr); | |
1820 | } | |
7123ae24 UD |
1821 | ialias (omp_display_env) |
1822 | ||
1823 | static void | |
1824 | handle_omp_display_env (void) | |
1825 | { | |
1826 | const char *env; | |
1827 | bool display = false; | |
1828 | bool verbose = false; | |
1829 | ||
1830 | env = getenv ("OMP_DISPLAY_ENV"); | |
1831 | if (env == NULL) | |
1832 | return; | |
1833 | ||
1834 | while (isspace ((unsigned char) *env)) | |
1835 | ++env; | |
1836 | if (strncasecmp (env, "true", 4) == 0) | |
1837 | { | |
1838 | display = true; | |
1839 | env += 4; | |
1840 | } | |
1841 | else if (strncasecmp (env, "false", 5) == 0) | |
1842 | { | |
1843 | display = false; | |
1844 | env += 5; | |
1845 | } | |
1846 | else if (strncasecmp (env, "verbose", 7) == 0) | |
1847 | { | |
1848 | display = true; | |
1849 | verbose = true; | |
1850 | env += 7; | |
1851 | } | |
1852 | else | |
1853 | env = "X"; | |
1854 | while (isspace ((unsigned char) *env)) | |
1855 | ++env; | |
1856 | if (*env != '\0') | |
1857 | gomp_error ("Invalid value for environment variable OMP_DISPLAY_ENV"); | |
1858 | ||
1859 | if (display) | |
3749c3af | 1860 | ialias_call (omp_display_env) (verbose); |
7123ae24 | 1861 | } |
acf0174b | 1862 | |
9f2fca56 MV |
1863 | /* Helper function for initialize_env. Extracts the device number from |
1864 | an environment variable name. ENV is the complete environment variable. | |
1865 | DEV_NUM_PTR points to the start of the device number in the environment | |
1866 | variable string. DEV_NUM_LEN is the returned length of the device num | |
1867 | string. */ | |
1868 | ||
1869 | static bool | |
1870 | get_device_num (char *env, char *dev_num_ptr, int *dev_num, int *dev_num_len) | |
1871 | { | |
1872 | char *end; | |
1873 | unsigned long val = strtoul (dev_num_ptr, &end, 10); | |
1874 | if (val > INT_MAX | |
1875 | || *end != '=' | |
1876 | || (dev_num_ptr[0] == '0' && end != dev_num_ptr + 1) | |
1877 | || (dev_num_ptr[0] < '0' || dev_num_ptr[0] > '9')) | |
1878 | { | |
1879 | gomp_error ("Invalid device number in %s", env); | |
1880 | return false; | |
1881 | } | |
1882 | *dev_num = val; | |
1883 | *dev_num_len = end - dev_num_ptr; | |
1884 | return true; | |
1885 | } | |
1886 | ||
1887 | static void | |
1888 | get_icv_member_addr (struct gomp_initial_icvs *icvs, int icv_code, | |
1889 | void *icv_addr[3]) | |
1890 | { | |
1891 | if (icv_code == 0 || icv_addr == NULL) | |
1892 | return; | |
1893 | ||
1894 | icv_addr[0] = icv_addr[1] = icv_addr[2] = NULL; | |
1895 | ||
1896 | switch (icv_code) | |
1897 | { | |
1898 | case GOMP_ICV_NTEAMS: | |
1899 | icv_addr[0] = &icvs->nteams_var; | |
e11babbf | 1900 | /* icv_addr[1] = (void *) false; */ |
9f2fca56 MV |
1901 | break; |
1902 | case GOMP_ICV_DYNAMIC: | |
1903 | icv_addr[0] = &(*icvs).dyn_var; | |
1904 | break; | |
1905 | case GOMP_ICV_TEAMS_THREAD_LIMIT: | |
1906 | icv_addr[0] = &icvs->teams_thread_limit_var; | |
e11babbf | 1907 | /* icv_addr[1] = (void *) false; */ |
9f2fca56 MV |
1908 | break; |
1909 | case GOMP_ICV_SCHEDULE: | |
1910 | icv_addr[0] = &icvs->run_sched_var; | |
1911 | icv_addr[1] = &icvs->run_sched_chunk_size; | |
1912 | break; | |
1913 | case GOMP_ICV_THREAD_LIMIT: | |
1914 | icv_addr[0] = &icvs->thread_limit_var; | |
e11babbf | 1915 | /* icv_addr[1] = (void *) false; */ |
9f2fca56 MV |
1916 | icv_addr[2] = (void *) UINT_MAX; |
1917 | break; | |
1918 | case GOMP_ICV_NTHREADS: | |
1919 | icv_addr[0] = &icvs->nthreads_var; | |
1920 | icv_addr[1] = &icvs->nthreads_var_list; | |
1921 | icv_addr[2] = &icvs->nthreads_var_list_len; | |
1922 | break; | |
1923 | case GOMP_ICV_MAX_ACTIVE_LEVELS: | |
1924 | icv_addr[0] = &icvs->max_active_levels_var; | |
1925 | icv_addr[1] = (void *) true; | |
1926 | icv_addr[2] = (void *) gomp_supported_active_levels; | |
1927 | break; | |
1928 | case GOMP_ICV_BIND: | |
1929 | icv_addr[0] = &icvs->bind_var; | |
1930 | icv_addr[1] = &icvs->bind_var_list; | |
1931 | icv_addr[2] = &icvs->bind_var_list_len; | |
1932 | break; | |
1933 | case GOMP_ICV_WAIT_POLICY: | |
1934 | icv_addr[0] = &icvs->wait_policy; | |
1935 | break; | |
1936 | case GOMP_ICV_STACKSIZE: | |
1937 | icv_addr[0] = &icvs->stacksize; | |
1938 | break; | |
1939 | case GOMP_ICV_CANCELLATION: | |
1940 | icv_addr[0] = &gomp_cancel_var; | |
1941 | break; | |
1942 | case GOMP_ICV_DISPLAY_AFFINITY: | |
1943 | icv_addr[0] = &gomp_display_affinity_var; | |
1944 | break; | |
1945 | case GOMP_ICV_TARGET_OFFLOAD: | |
1946 | icv_addr[0] = &gomp_target_offload_var; | |
1947 | break; | |
1948 | case GOMP_ICV_MAX_TASK_PRIORITY: | |
1949 | icv_addr[0] = &gomp_max_task_priority_var; | |
1950 | break; | |
1951 | case GOMP_ICV_ALLOCATOR: | |
1952 | icv_addr[0] = &gomp_def_allocator; | |
1953 | break; | |
1954 | case GOMP_ICV_DEFAULT_DEVICE: | |
1955 | icv_addr[0] = &icvs->default_device_var; | |
1956 | icv_addr[1] = (void *) true; | |
1957 | break; | |
1958 | } | |
1959 | } | |
1960 | ||
1961 | struct gomp_icv_list * | |
1962 | gomp_get_initial_icv_item (int dev_num) | |
1963 | { | |
1964 | struct gomp_icv_list *l = gomp_initial_icv_list; | |
1965 | while (l != NULL && l->device_num != dev_num) | |
1966 | l = l->next; | |
1967 | ||
1968 | return l; | |
1969 | } | |
1970 | ||
1971 | static void | |
1972 | initialize_icvs (struct gomp_initial_icvs *icvs) | |
1973 | { | |
1974 | icvs->nthreads_var_list = NULL; | |
1975 | icvs->bind_var_list = NULL; | |
1976 | icvs->nthreads_var = gomp_default_icv_values.nthreads_var; | |
1977 | icvs->nthreads_var_list_len = 0; | |
1978 | icvs->bind_var_list_len = 0; | |
1979 | icvs->stacksize = 0; | |
1980 | icvs->thread_limit_var = gomp_default_icv_values.thread_limit_var; | |
1981 | icvs->run_sched_var = gomp_default_icv_values.run_sched_var; | |
1982 | icvs->run_sched_chunk_size = gomp_default_icv_values.run_sched_chunk_size; | |
1983 | icvs->default_device_var = gomp_default_icv_values.default_device_var; | |
1984 | icvs->dyn_var = gomp_default_icv_values.dyn_var; | |
1985 | icvs->max_active_levels_var = gomp_default_icv_values.max_active_levels_var; | |
1986 | icvs->bind_var = gomp_default_icv_values.bind_var; | |
1987 | icvs->nteams_var = gomp_default_icv_values.nteams_var; | |
1988 | icvs->teams_thread_limit_var = gomp_default_icv_values.teams_thread_limit_var; | |
288bc7b5 | 1989 | icvs->wait_policy = -1; |
9f2fca56 MV |
1990 | } |
1991 | ||
1992 | /* Helper function for initialize_env to add a device specific ICV value | |
1993 | to gomp_initial_icv_list. */ | |
1994 | ||
1995 | static uint32_t * | |
1996 | add_initial_icv_to_list (int dev_num, int icv_code, void *icv_addr[3]) | |
1997 | { | |
1998 | struct gomp_icv_list *last = NULL, *l = gomp_initial_icv_list; | |
1999 | while (l != NULL && l->device_num != dev_num) | |
2000 | { | |
2001 | last = l; | |
2002 | l = l->next; | |
2003 | } | |
2004 | ||
2005 | if (l == NULL) | |
2006 | { | |
2007 | l = ((struct gomp_icv_list *) | |
2008 | gomp_malloc_cleared (sizeof (struct gomp_icv_list))); | |
2009 | l->device_num = dev_num; | |
2010 | initialize_icvs (&l->icvs); | |
2011 | if (dev_num < 0) | |
2012 | { | |
2013 | l->next = gomp_initial_icv_list; | |
2014 | gomp_initial_icv_list = l; | |
2015 | } | |
2016 | else | |
2017 | { | |
2018 | l->next = NULL; | |
2019 | if (last == NULL) | |
2020 | gomp_initial_icv_list = l; | |
2021 | else | |
2022 | last->next = l; | |
2023 | } | |
2024 | } | |
2025 | ||
2026 | get_icv_member_addr (&l->icvs, icv_code, icv_addr); | |
2027 | ||
2028 | return &l->flags; | |
2029 | } | |
2030 | ||
2031 | /* Return true if STR string starts with PREFIX. */ | |
2032 | ||
2033 | static inline bool | |
2034 | startswith (const char *str, const char *prefix) | |
2035 | { | |
2036 | return strncmp (str, prefix, strlen (prefix)) == 0; | |
2037 | } | |
acf0174b | 2038 | |
953ff289 DN |
2039 | static void __attribute__((constructor)) |
2040 | initialize_env (void) | |
2041 | { | |
9f2fca56 MV |
2042 | char **env; |
2043 | int omp_var, dev_num = 0, dev_num_len = 0, i; | |
2044 | bool ignore = false; | |
2045 | char *env_val; | |
2046 | void *params[3]; | |
2047 | uint32_t *flag_var_addr = NULL; | |
2048 | unsigned pos; | |
2049 | struct gomp_icv_list *all, *none; | |
d0d1b24d | 2050 | |
953ff289 DN |
2051 | /* Do a compile time check that mkomp_h.pl did good job. */ |
2052 | omp_check_defines (); | |
2053 | ||
a68ab351 | 2054 | #ifndef HAVE_SYNC_BUILTINS |
acf0174b | 2055 | gomp_mutex_init (&gomp_managed_threads_lock); |
a68ab351 | 2056 | #endif |
a68ab351 JJ |
2057 | gomp_init_num_threads (); |
2058 | gomp_available_cpus = gomp_global_icv.nthreads_var; | |
9f2fca56 MV |
2059 | |
2060 | /* Initial values for host environment variables should always exist even if | |
2061 | there is no explicitly set host environment variable. Moreover, they are | |
2062 | set to the initial global values. */ | |
2063 | add_initial_icv_to_list (GOMP_DEVICE_NUM_FOR_NO_SUFFIX, 0, NULL); | |
2064 | none = gomp_get_initial_icv_item (GOMP_DEVICE_NUM_FOR_NO_SUFFIX); | |
2065 | initialize_icvs (&none->icvs); | |
2066 | ||
2067 | for (env = environ; *env != 0; env++) | |
2068 | { | |
2069 | if (!startswith (*env, "OMP_")) | |
2070 | continue; | |
2071 | ||
2072 | /* Name of the environment variable without suffix "OMP_". */ | |
2073 | char *name = *env + sizeof ("OMP_") - 1; | |
2074 | for (omp_var = 0; omp_var < OMP_VAR_CNT; omp_var++) | |
2075 | { | |
2076 | if (startswith (name, envvars[omp_var].name)) | |
2077 | { | |
2078 | pos = envvars[omp_var].name_len; | |
2079 | if (name[pos] == '=') | |
2080 | { | |
2081 | pos++; | |
2082 | flag_var_addr | |
2083 | = add_initial_icv_to_list (GOMP_DEVICE_NUM_FOR_NO_SUFFIX, | |
2084 | envvars[omp_var].flag_vars[0], | |
2085 | params); | |
2086 | } | |
2087 | else if (startswith (&name[pos], "_DEV=") | |
2088 | && envvars[omp_var].flag & GOMP_ENV_SUFFIX_DEV) | |
2089 | { | |
2090 | pos += 5; | |
2091 | flag_var_addr | |
2092 | = add_initial_icv_to_list (GOMP_DEVICE_NUM_FOR_DEV, | |
2093 | envvars[omp_var].flag_vars[0], | |
2094 | params); | |
2095 | } | |
2096 | else if (startswith (&name[pos], "_ALL=") | |
2097 | && envvars[omp_var].flag & GOMP_ENV_SUFFIX_ALL) | |
2098 | { | |
2099 | pos += 5; | |
2100 | flag_var_addr | |
2101 | = add_initial_icv_to_list (GOMP_DEVICE_NUM_FOR_ALL, | |
2102 | envvars[omp_var].flag_vars[0], | |
2103 | params); | |
2104 | } | |
2105 | else if (startswith (&name[pos], "_DEV_") | |
2106 | && envvars[omp_var].flag & GOMP_ENV_SUFFIX_DEV_X) | |
2107 | { | |
2108 | pos += 5; | |
2109 | if (!get_device_num (*env, &name[pos], &dev_num, | |
2110 | &dev_num_len)) | |
2111 | break; | |
2112 | ||
2113 | pos += dev_num_len + 1; | |
2114 | flag_var_addr | |
2115 | = add_initial_icv_to_list (dev_num, | |
2116 | envvars[omp_var].flag_vars[0], | |
2117 | params); | |
2118 | } | |
2119 | else | |
2120 | { | |
2121 | gomp_error ("Invalid environment variable in %s", *env); | |
2122 | break; | |
2123 | } | |
2124 | env_val = &name[pos]; | |
2125 | ||
2126 | if (envvars[omp_var].parse_func (*env, env_val, params)) | |
2127 | { | |
2128 | for (i = 0; i < 3; ++i) | |
2129 | if (envvars[omp_var].flag_vars[i]) | |
2130 | gomp_set_icv_flag (flag_var_addr, | |
2131 | envvars[omp_var].flag_vars[i]); | |
2132 | else | |
2133 | break; | |
2134 | } | |
2135 | ||
2136 | break; | |
2137 | } | |
2138 | } | |
2139 | } | |
2140 | ||
2141 | all = gomp_get_initial_icv_item (GOMP_DEVICE_NUM_FOR_ALL); | |
2142 | for (omp_var = 0; omp_var < OMP_HOST_VAR_CNT; omp_var++) | |
2143 | { | |
2144 | if (none != NULL | |
2145 | && gomp_get_icv_flag (none->flags, host_envvars[omp_var].flag_var)) | |
2146 | get_icv_member_addr (&none->icvs, | |
2147 | host_envvars[omp_var].flag_var, params); | |
2148 | else if (all != NULL | |
2149 | && gomp_get_icv_flag (all->flags, | |
2150 | host_envvars[omp_var].flag_var)) | |
2151 | get_icv_member_addr (&all->icvs, host_envvars[omp_var].flag_var, | |
2152 | params); | |
2153 | else | |
2154 | continue; | |
2155 | ||
2156 | switch (host_envvars[omp_var].type_code) | |
2157 | { | |
2158 | case PARSE_INT: | |
2159 | for (i = 0; i < 3; ++i) | |
2160 | if (host_envvars[omp_var].dest[i] != NULL && params[i] != NULL) | |
2161 | *(int *) (host_envvars[omp_var].dest[i]) = *(int *) params[i]; | |
2162 | break; | |
2163 | case PARSE_BOOL: | |
2164 | for (i = 0; i < 3; ++i) | |
2165 | if (host_envvars[omp_var].dest[i] != NULL && params[i] != NULL) | |
2166 | *(bool *) (host_envvars[omp_var].dest[i]) = *(bool *) params[i]; | |
2167 | break; | |
2168 | case PARSE_UINT: | |
2169 | for (i = 0; i < 3; ++i) | |
2170 | if (host_envvars[omp_var].dest[i] != NULL && params[i] != NULL) | |
2171 | *(unsigned int *) (host_envvars[omp_var].dest[i]) | |
2172 | = *(unsigned int *) params[i]; | |
2173 | break; | |
2174 | case PARSE_ULONG: | |
2175 | for (i = 0; i < 3; ++i) | |
2176 | if (host_envvars[omp_var].dest[i] != NULL && params[i] != NULL) | |
2177 | *(unsigned long *) (host_envvars[omp_var].dest[i]) | |
2178 | = *(unsigned long *) params[i]; | |
2179 | break; | |
2180 | case PARSE_UCHAR: | |
2181 | for (i = 0; i < 3; ++i) | |
2182 | if (host_envvars[omp_var].dest[i] != NULL && params[i] != NULL) | |
2183 | *(unsigned char *) (host_envvars[omp_var].dest[i]) | |
2184 | = *(unsigned char *) params[i]; | |
2185 | break; | |
2186 | case PARSE_SCHEDULE: | |
2187 | *(enum gomp_schedule_type *) (host_envvars[omp_var].dest[0]) | |
2188 | = *(enum gomp_schedule_type *) params[0]; | |
2189 | *(int *) (host_envvars[omp_var].dest[1]) = *(int *) params[1]; | |
2190 | break; | |
2191 | case PARSE_BIND: | |
26a1f4fc JJ |
2192 | *(char *) (host_envvars[omp_var].dest[0]) = *(char *) params[0]; |
2193 | *(char **) (host_envvars[omp_var].dest[1]) = *(char **) params[1]; | |
9f2fca56 | 2194 | *(unsigned long *) (host_envvars[omp_var].dest[2]) |
26a1f4fc | 2195 | = *(unsigned long *) params[2]; |
9f2fca56 MV |
2196 | break; |
2197 | } | |
2198 | } | |
2199 | ||
2200 | if (((none != NULL && gomp_get_icv_flag (none->flags, GOMP_ICV_BIND)) | |
2201 | || (all != NULL && gomp_get_icv_flag (all->flags, GOMP_ICV_BIND))) | |
f89163fd JJ |
2202 | && gomp_global_icv.bind_var == omp_proc_bind_false) |
2203 | ignore = true; | |
9f2fca56 MV |
2204 | |
2205 | if (!((none != NULL | |
2206 | && gomp_get_icv_flag (none->flags, GOMP_ICV_MAX_ACTIVE_LEVELS)) | |
2207 | || (all != NULL | |
2208 | && gomp_get_icv_flag (all->flags, GOMP_ICV_MAX_ACTIVE_LEVELS)))) | |
6fae7eda KCY |
2209 | { |
2210 | bool nested = true; | |
9f2fca56 | 2211 | const char *env = getenv ("OMP_NESTED"); |
6fae7eda KCY |
2212 | |
2213 | /* OMP_NESTED is deprecated in OpenMP 5.0. */ | |
9f2fca56 | 2214 | if (parse_boolean ("OMP_NESTED", env, (void *[]) {&nested})) |
6fae7eda KCY |
2215 | gomp_global_icv.max_active_levels_var |
2216 | = nested ? gomp_supported_active_levels : 1; | |
2217 | else if (gomp_nthreads_var_list_len > 1 || gomp_bind_var_list_len > 1) | |
2218 | gomp_global_icv.max_active_levels_var = gomp_supported_active_levels; | |
2219 | } | |
9f2fca56 | 2220 | |
18c8b56c TB |
2221 | if (gomp_global_icv.default_device_var == INT_MIN |
2222 | && gomp_target_offload_var != GOMP_TARGET_OFFLOAD_MANDATORY) | |
2223 | none->icvs.default_device_var = gomp_global_icv.default_device_var = 0; | |
2224 | ||
9f2fca56 MV |
2225 | /* Process GOMP_* variables and dependencies between parsed ICVs. */ |
2226 | parse_int_secure ("GOMP_DEBUG", &gomp_debug_var, true); | |
2227 | ||
f89163fd JJ |
2228 | /* Make sure OMP_PLACES and GOMP_CPU_AFFINITY env vars are always |
2229 | parsed if present in the environment. If OMP_PROC_BIND was set | |
93d90219 | 2230 | explicitly to false, don't populate places list though. If places |
f89163fd JJ |
2231 | list was successfully set from OMP_PLACES, only parse but don't process |
2232 | GOMP_CPU_AFFINITY. If OMP_PROC_BIND was not set in the environment, | |
2233 | default to OMP_PROC_BIND=true if OMP_PLACES or GOMP_CPU_AFFINITY | |
2234 | was successfully parsed into a places list, otherwise to | |
2235 | OMP_PROC_BIND=false. */ | |
2236 | if (parse_places_var ("OMP_PLACES", ignore)) | |
2237 | { | |
2238 | if (gomp_global_icv.bind_var == omp_proc_bind_false) | |
2239 | gomp_global_icv.bind_var = true; | |
2240 | ignore = true; | |
2241 | } | |
2242 | if (parse_affinity (ignore)) | |
2243 | { | |
2244 | if (gomp_global_icv.bind_var == omp_proc_bind_false) | |
2245 | gomp_global_icv.bind_var = true; | |
2246 | ignore = true; | |
2247 | } | |
2248 | if (gomp_global_icv.bind_var != omp_proc_bind_false) | |
a0884cf0 | 2249 | gomp_init_affinity (); |
28567c40 JJ |
2250 | |
2251 | { | |
2252 | const char *env = getenv ("OMP_AFFINITY_FORMAT"); | |
2253 | if (env != NULL) | |
2254 | gomp_set_affinity_format (env, strlen (env)); | |
2255 | } | |
2256 | ||
9f2fca56 MV |
2257 | if (none != NULL && gomp_get_icv_flag (none->flags, GOMP_ICV_WAIT_POLICY)) |
2258 | wait_policy = none->icvs.wait_policy; | |
2259 | else if (all != NULL && gomp_get_icv_flag (all->flags, GOMP_ICV_WAIT_POLICY)) | |
2260 | wait_policy = all->icvs.wait_policy; | |
2261 | ||
a68ab351 JJ |
2262 | if (!parse_spincount ("GOMP_SPINCOUNT", &gomp_spin_count_var)) |
2263 | { | |
2264 | /* Using a rough estimation of 100000 spins per msec, | |
2265 | use 5 min blocking for OMP_WAIT_POLICY=active, | |
4c698cf8 | 2266 | 3 msec blocking when OMP_WAIT_POLICY is not specificed |
a68ab351 JJ |
2267 | and 0 when OMP_WAIT_POLICY=passive. |
2268 | Depending on the CPU speed, this can be e.g. 5 times longer | |
2269 | or 5 times shorter. */ | |
2270 | if (wait_policy > 0) | |
2271 | gomp_spin_count_var = 30000000000LL; | |
2272 | else if (wait_policy < 0) | |
4c698cf8 | 2273 | gomp_spin_count_var = 300000LL; |
a68ab351 JJ |
2274 | } |
2275 | /* gomp_throttled_spin_count_var is used when there are more libgomp | |
2276 | managed threads than available CPUs. Use very short spinning. */ | |
2277 | if (wait_policy > 0) | |
2278 | gomp_throttled_spin_count_var = 1000LL; | |
2279 | else if (wait_policy < 0) | |
2280 | gomp_throttled_spin_count_var = 100LL; | |
2281 | if (gomp_throttled_spin_count_var > gomp_spin_count_var) | |
2282 | gomp_throttled_spin_count_var = gomp_spin_count_var; | |
d0d1b24d RH |
2283 | |
2284 | /* Not strictly environment related, but ordering constructors is tricky. */ | |
2285 | pthread_attr_init (&gomp_thread_attr); | |
d0d1b24d | 2286 | |
9f2fca56 MV |
2287 | if (!(none != NULL && gomp_get_icv_flag (none->flags, GOMP_ICV_STACKSIZE))) |
2288 | { | |
2289 | const char *env = getenv ("GOMP_STACKSIZE"); | |
2290 | if (env != NULL | |
2291 | && parse_stacksize ("GOMP_STACKSIZE", env, | |
2292 | (void *[3]) {&none->icvs.stacksize})) | |
2293 | gomp_set_icv_flag (&none->flags, GOMP_ICV_STACKSIZE); | |
2294 | } | |
2295 | if (none != NULL && gomp_get_icv_flag (none->flags, GOMP_ICV_STACKSIZE)) | |
2296 | stacksize = none->icvs.stacksize; | |
2297 | else if (all != NULL && gomp_get_icv_flag (all->flags, GOMP_ICV_STACKSIZE)) | |
2298 | stacksize = all->icvs.stacksize; | |
2299 | ||
2300 | if ((none != NULL && gomp_get_icv_flag (none->flags, GOMP_ICV_STACKSIZE)) | |
2301 | || (all != NULL && gomp_get_icv_flag (all->flags, GOMP_ICV_STACKSIZE)) | |
c4060df4 | 2302 | || GOMP_DEFAULT_STACKSIZE) |
d0d1b24d | 2303 | { |
c3b11a40 RH |
2304 | int err; |
2305 | ||
c3b11a40 RH |
2306 | err = pthread_attr_setstacksize (&gomp_thread_attr, stacksize); |
2307 | ||
2308 | #ifdef PTHREAD_STACK_MIN | |
2309 | if (err == EINVAL) | |
d0d1b24d | 2310 | { |
c3b11a40 RH |
2311 | if (stacksize < PTHREAD_STACK_MIN) |
2312 | gomp_error ("Stack size less than minimum of %luk", | |
2313 | PTHREAD_STACK_MIN / 1024ul | |
2314 | + (PTHREAD_STACK_MIN % 1024 != 0)); | |
2315 | else | |
d0d1b24d | 2316 | gomp_error ("Stack size larger than system limit"); |
d0d1b24d | 2317 | } |
c3b11a40 RH |
2318 | else |
2319 | #endif | |
2320 | if (err != 0) | |
2321 | gomp_error ("Stack size change failed: %s", strerror (err)); | |
d0d1b24d | 2322 | } |
acf0174b | 2323 | |
7123ae24 | 2324 | handle_omp_display_env (); |
41dbbb37 TS |
2325 | |
2326 | /* OpenACC. */ | |
2327 | ||
9f2fca56 MV |
2328 | if (!parse_int ("ACC_DEVICE_NUM", getenv ("ACC_DEVICE_NUM"), |
2329 | (void *[]) {&goacc_device_num, (void *) true})) | |
41dbbb37 TS |
2330 | goacc_device_num = 0; |
2331 | ||
2332 | parse_acc_device_type (); | |
ec00d3fa | 2333 | parse_gomp_openacc_dim (); |
41dbbb37 TS |
2334 | |
2335 | goacc_runtime_initialize (); | |
5fae049d TS |
2336 | |
2337 | goacc_profiling_initialize (); | |
953ff289 | 2338 | } |
630e3c3a | 2339 | #endif /* LIBGOMP_OFFLOADED_ONLY */ |