projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| b168057a | 1 | /* Copyright (C) 1991-2015 Free Software Foundation, Inc. |
| 2c6fe0bd | 2 | This file is part of the GNU C Library. |
| 28f540f4 | 3 | |
| 2c6fe0bd | 4 | The GNU C Library is free software; you can redistribute it and/or |
| 41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
| 6 | License as published by the Free Software Foundation; either | |
| 7 | version 2.1 of the License, or (at your option) any later version. | |
| 28f540f4 | 8 | |
| 2c6fe0bd UD |
9 | The GNU C Library is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 41bdb6e2 | 12 | Lesser General Public License for more details. |
| 28f540f4 | 13 | |
| 41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
| 59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
| 16 | <http://www.gnu.org/licenses/>. */ | |
| 28f540f4 | 17 | |
| 28f540f4 RM |
18 | #include <errno.h> |
| 19 | #include <limits.h> | |
| 23396375 UD |
20 | #include <grp.h> |
| 21 | #include <pwd.h> | |
| 28f540f4 RM |
22 | #include <stddef.h> |
| 23 | #include <stdio.h> | |
| 28f367c4 UD |
24 | #include <stdlib.h> |
| 25 | #include <string.h> | |
| 28f540f4 | 26 | #include <time.h> |
| 23396375 | 27 | #include <unistd.h> |
| 9cddf9de | 28 | #include <sys/param.h> |
| 28f367c4 | 29 | #include <sys/stat.h> |
| 845dcb57 | 30 | #include <sys/sysinfo.h> |
| 9281f45d UD |
31 | #include <sys/types.h> |
| 32 | #include <regex.h> | |
| 28f540f4 | 33 | |
| 50cbbaa9 | 34 | #define NEED_SPEC_ARRAY 0 |
| 3b566046 SP |
35 | #include <posix-conf-vars.h> |
| 36 | ||
| 77474ccd RM |
37 | #define NEED_CHECK_SPEC \ |
| 38 | (!defined _XBS5_ILP32_OFF32 || !defined _XBS5_ILP32_OFFBIG \ | |
| 39 | || !defined _XBS5_LP64_OFF64 || !defined _XBS5_LPBIG_OFFBIG \ | |
| 40 | || !defined _POSIX_V6_ILP32_OFF32 || !defined _POSIX_V6_ILP32_OFFBIG \ | |
| 26b62243 UD |
41 | || !defined _POSIX_V6_LP64_OFF64 || !defined _POSIX_V6_LPBIG_OFFBIG \ |
| 42 | || !defined _POSIX_V7_ILP32_OFF32 || !defined _POSIX_V7_ILP32_OFFBIG \ | |
| 43 | || !defined _POSIX_V7_LP64_OFF64 || !defined _POSIX_V7_LPBIG_OFFBIG) | |
| 77474ccd | 44 | #if NEED_CHECK_SPEC |
| 28f367c4 | 45 | static long int __sysconf_check_spec (const char *spec); |
| 77474ccd | 46 | #endif |
| 28f367c4 UD |
47 | |
| 48 | ||
| 28f540f4 RM |
49 | /* Get the value of the system variable NAME. */ |
| 50 | long int | |
| 036cc82f RM |
51 | __sysconf (name) |
| 52 | int name; | |
| 28f540f4 RM |
53 | { |
| 54 | switch (name) | |
| 55 | { | |
| 7780fd93 UD |
56 | /* Also add obsolete or unnecessarily added constants here. */ |
| 57 | case _SC_EQUIV_CLASS_MAX: | |
| 28f540f4 | 58 | default: |
| c4029823 | 59 | __set_errno (EINVAL); |
| 28f540f4 RM |
60 | return -1; |
| 61 | ||
| 62 | case _SC_ARG_MAX: | |
| 63 | #ifdef ARG_MAX | |
| 64 | return ARG_MAX; | |
| 65 | #else | |
| 66 | return -1; | |
| 67 | #endif | |
| 68 | ||
| 69 | case _SC_CHILD_MAX: | |
| 70 | #ifdef CHILD_MAX | |
| 71 | return CHILD_MAX; | |
| 72 | #else | |
| aeb2153c | 73 | return __get_child_max (); |
| 28f540f4 RM |
74 | #endif |
| 75 | ||
| 76 | case _SC_CLK_TCK: | |
| 25b3dd49 | 77 | return __getclktck (); |
| 28f540f4 RM |
78 | |
| 79 | case _SC_NGROUPS_MAX: | |
| 80 | #ifdef NGROUPS_MAX | |
| 81 | return NGROUPS_MAX; | |
| 82 | #else | |
| 83 | return -1; | |
| 84 | #endif | |
| 85 | ||
| 86 | case _SC_OPEN_MAX: | |
| 87 | return __getdtablesize (); | |
| 88 | ||
| 89 | case _SC_STREAM_MAX: | |
| 60478656 RM |
90 | #ifdef STREAM_MAX |
| 91 | return STREAM_MAX; | |
| 92 | #else | |
| 28f540f4 | 93 | return FOPEN_MAX; |
| 60478656 | 94 | #endif |
| 28f540f4 RM |
95 | |
| 96 | case _SC_TZNAME_MAX: | |
| 9cddf9de | 97 | return MAX (__tzname_max (), _POSIX_TZNAME_MAX); |
| 28f540f4 RM |
98 | |
| 99 | case _SC_JOB_CONTROL: | |
| 3b566046 | 100 | #if CONF_IS_DEFINED_SET (_POSIX_JOB_CONTROL) |
| 182ed12e | 101 | return _POSIX_JOB_CONTROL; |
| 28f540f4 RM |
102 | #else |
| 103 | return -1; | |
| 104 | #endif | |
| 75cd5204 | 105 | |
| 28f540f4 | 106 | case _SC_SAVED_IDS: |
| 3b566046 | 107 | #if CONF_IS_DEFINED_SET (_POSIX_SAVED_IDS) |
| 28f540f4 RM |
108 | return 1; |
| 109 | #else | |
| 110 | return -1; | |
| 111 | #endif | |
| 75cd5204 RM |
112 | |
| 113 | case _SC_REALTIME_SIGNALS: | |
| 3b566046 | 114 | #if CONF_IS_DEFINED_SET (_POSIX_REALTIME_SIGNALS) |
| fbf86dda | 115 | return _POSIX_REALTIME_SIGNALS; |
| 75cd5204 RM |
116 | #else |
| 117 | return -1; | |
| 118 | #endif | |
| 119 | ||
| 120 | case _SC_PRIORITY_SCHEDULING: | |
| 3b566046 | 121 | #if CONF_IS_DEFINED_SET (_POSIX_PRIORITY_SCHEDULING) |
| fbf86dda | 122 | return _POSIX_PRIORITY_SCHEDULING; |
| 75cd5204 RM |
123 | #else |
| 124 | return -1; | |
| 125 | #endif | |
| 126 | ||
| 127 | case _SC_TIMERS: | |
| 3b566046 | 128 | #if CONF_IS_DEFINED_SET (_POSIX_TIMERS) |
| fbf86dda | 129 | return _POSIX_TIMERS; |
| 75cd5204 RM |
130 | #else |
| 131 | return -1; | |
| 132 | #endif | |
| 133 | ||
| 134 | case _SC_ASYNCHRONOUS_IO: | |
| 3b566046 | 135 | #if CONF_IS_DEFINED_SET (_POSIX_ASYNCHRONOUS_IO) |
| fbf86dda | 136 | return _POSIX_ASYNCHRONOUS_IO; |
| 75cd5204 RM |
137 | #else |
| 138 | return -1; | |
| 139 | #endif | |
| 140 | ||
| 141 | case _SC_PRIORITIZED_IO: | |
| 3b566046 | 142 | #if CONF_IS_DEFINED_SET (_POSIX_PRIORITIZED_IO) |
| fbf86dda | 143 | return _POSIX_PRIORITIZED_IO; |
| 75cd5204 RM |
144 | #else |
| 145 | return -1; | |
| 146 | #endif | |
| 147 | ||
| 148 | case _SC_SYNCHRONIZED_IO: | |
| 3b566046 | 149 | #if CONF_IS_DEFINED_SET (_POSIX_SYNCHRONIZED_IO) |
| fbf86dda | 150 | return _POSIX_SYNCHRONIZED_IO; |
| 75cd5204 RM |
151 | #else |
| 152 | return -1; | |
| 153 | #endif | |
| 154 | ||
| 155 | case _SC_FSYNC: | |
| 3b566046 | 156 | #if CONF_IS_DEFINED_SET (_POSIX_FSYNC) |
| fbf86dda | 157 | return _POSIX_FSYNC; |
| 75cd5204 RM |
158 | #else |
| 159 | return -1; | |
| 160 | #endif | |
| 161 | ||
| 162 | case _SC_MAPPED_FILES: | |
| 3b566046 | 163 | #if CONF_IS_DEFINED_SET (_POSIX_MAPPED_FILES) |
| fbf86dda | 164 | return _POSIX_MAPPED_FILES; |
| 75cd5204 RM |
165 | #else |
| 166 | return -1; | |
| 167 | #endif | |
| 168 | ||
| 169 | case _SC_MEMLOCK: | |
| 3b566046 | 170 | #if CONF_IS_DEFINED_SET (_POSIX_MEMLOCK) |
| fbf86dda | 171 | return _POSIX_MEMLOCK; |
| 75cd5204 RM |
172 | #else |
| 173 | return -1; | |
| 174 | #endif | |
| 175 | ||
| 176 | case _SC_MEMLOCK_RANGE: | |
| 3b566046 | 177 | #if CONF_IS_DEFINED_SET (_POSIX_MEMLOCK_RANGE) |
| fbf86dda | 178 | return _POSIX_MEMLOCK_RANGE; |
| 75cd5204 RM |
179 | #else |
| 180 | return -1; | |
| 181 | #endif | |
| 182 | ||
| 183 | case _SC_MEMORY_PROTECTION: | |
| 3b566046 | 184 | #if CONF_IS_DEFINED_SET (_POSIX_MEMORY_PROTECTION) |
| fbf86dda | 185 | return _POSIX_MEMORY_PROTECTION; |
| 75cd5204 RM |
186 | #else |
| 187 | return -1; | |
| 188 | #endif | |
| 189 | ||
| 190 | case _SC_MESSAGE_PASSING: | |
| 3b566046 | 191 | #if CONF_IS_DEFINED_SET (_POSIX_MESSAGE_PASSING) |
| fbf86dda | 192 | return _POSIX_MESSAGE_PASSING; |
| 75cd5204 RM |
193 | #else |
| 194 | return -1; | |
| 195 | #endif | |
| 196 | ||
| 197 | case _SC_SEMAPHORES: | |
| 3b566046 | 198 | #if CONF_IS_DEFINED_SET (_POSIX_SEMAPHORES) |
| fbf86dda | 199 | return _POSIX_SEMAPHORES; |
| 75cd5204 RM |
200 | #else |
| 201 | return -1; | |
| 202 | #endif | |
| 203 | ||
| 204 | case _SC_SHARED_MEMORY_OBJECTS: | |
| 3b566046 | 205 | #if CONF_IS_DEFINED_SET (_POSIX_SHARED_MEMORY_OBJECTS) |
| fbf86dda | 206 | return _POSIX_SHARED_MEMORY_OBJECTS; |
| 75cd5204 RM |
207 | #else |
| 208 | return -1; | |
| 209 | #endif | |
| 210 | ||
| 28f540f4 RM |
211 | case _SC_VERSION: |
| 212 | return _POSIX_VERSION; | |
| 213 | ||
| 214 | case _SC_PAGESIZE: | |
| 215 | return __getpagesize (); | |
| 216 | ||
| 0e3426bb RM |
217 | case _SC_AIO_LISTIO_MAX: |
| 218 | #ifdef AIO_LISTIO_MAX | |
| 219 | return AIO_LISTIO_MAX; | |
| 220 | #else | |
| 221 | return -1; | |
| 222 | #endif | |
| 223 | ||
| 224 | case _SC_AIO_MAX: | |
| 225 | #ifdef AIO_MAX | |
| 226 | return AIO_MAX; | |
| 227 | #else | |
| 228 | return -1; | |
| 229 | #endif | |
| 230 | ||
| 231 | case _SC_AIO_PRIO_DELTA_MAX: | |
| 232 | #ifdef AIO_PRIO_DELTA_MAX | |
| 233 | return AIO_PRIO_DELTA_MAX; | |
| 234 | #else | |
| 235 | return -1; | |
| 236 | #endif | |
| 237 | ||
| 238 | case _SC_DELAYTIMER_MAX: | |
| 239 | #ifdef DELAYTIMER_MAX | |
| 240 | return DELAYTIMER_MAX; | |
| 241 | #else | |
| 242 | return -1; | |
| 243 | #endif | |
| 244 | ||
| 245 | case _SC_MQ_OPEN_MAX: | |
| 246 | #ifdef MQ_OPEN_MAX | |
| 247 | return MQ_OPEN_MAX; | |
| 248 | #else | |
| 249 | return -1; | |
| 250 | #endif | |
| 251 | ||
| 252 | case _SC_MQ_PRIO_MAX: | |
| 253 | #ifdef MQ_PRIO_MAX | |
| 254 | return MQ_PRIO_MAX; | |
| 255 | #else | |
| 256 | return -1; | |
| 257 | #endif | |
| 258 | ||
| 259 | case _SC_RTSIG_MAX: | |
| 260 | #ifdef RTSIG_MAX | |
| 261 | return RTSIG_MAX; | |
| 262 | #else | |
| 263 | return -1; | |
| 264 | #endif | |
| 265 | ||
| 266 | case _SC_SEM_NSEMS_MAX: | |
| 267 | #ifdef SEM_NSEMS_MAX | |
| 268 | return SEM_NSEMS_MAX; | |
| 269 | #else | |
| 270 | return -1; | |
| 271 | #endif | |
| 272 | ||
| 273 | case _SC_SEM_VALUE_MAX: | |
| 274 | #ifdef SEM_VALUE_MAX | |
| 275 | return SEM_VALUE_MAX; | |
| 276 | #else | |
| 277 | return -1; | |
| 278 | #endif | |
| 279 | ||
| 280 | case _SC_SIGQUEUE_MAX: | |
| 281 | #ifdef SIGQUEUE_MAX | |
| 282 | return SIGQUEUE_MAX; | |
| 283 | #else | |
| 284 | return -1; | |
| 285 | #endif | |
| 286 | ||
| 287 | case _SC_TIMER_MAX: | |
| 288 | #ifdef TIMER_MAX | |
| 289 | return TIMER_MAX; | |
| 290 | #else | |
| 291 | return -1; | |
| 292 | #endif | |
| 293 | ||
| 28f540f4 RM |
294 | case _SC_BC_BASE_MAX: |
| 295 | #ifdef BC_BASE_MAX | |
| 296 | return BC_BASE_MAX; | |
| 297 | #else | |
| 298 | return -1; | |
| 299 | #endif | |
| 300 | ||
| 301 | case _SC_BC_DIM_MAX: | |
| 302 | #ifdef BC_DIM_MAX | |
| 303 | return BC_DIM_MAX; | |
| 304 | #else | |
| 305 | return -1; | |
| 306 | #endif | |
| 307 | ||
| 308 | case _SC_BC_SCALE_MAX: | |
| 309 | #ifdef BC_SCALE_MAX | |
| 310 | return BC_SCALE_MAX; | |
| 311 | #else | |
| 312 | return -1; | |
| 313 | #endif | |
| 314 | ||
| 315 | case _SC_BC_STRING_MAX: | |
| 316 | #ifdef BC_STRING_MAX | |
| 317 | return BC_STRING_MAX; | |
| 318 | #else | |
| 319 | return -1; | |
| 320 | #endif | |
| 321 | ||
| 036cc82f RM |
322 | case _SC_COLL_WEIGHTS_MAX: |
| 323 | #ifdef COLL_WEIGHTS_MAX | |
| 324 | return COLL_WEIGHTS_MAX; | |
| 325 | #else | |
| 326 | return -1; | |
| 327 | #endif | |
| 328 | ||
| 28f540f4 RM |
329 | case _SC_EXPR_NEST_MAX: |
| 330 | #ifdef EXPR_NEST_MAX | |
| 331 | return EXPR_NEST_MAX; | |
| 332 | #else | |
| 333 | return -1; | |
| 334 | #endif | |
| 335 | ||
| 336 | case _SC_LINE_MAX: | |
| 337 | #ifdef LINE_MAX | |
| 338 | return LINE_MAX; | |
| 339 | #else | |
| 340 | return -1; | |
| 341 | #endif | |
| 342 | ||
| 343 | case _SC_RE_DUP_MAX: | |
| 344 | #ifdef RE_DUP_MAX | |
| 345 | return RE_DUP_MAX; | |
| 346 | #else | |
| 347 | return -1; | |
| 348 | #endif | |
| 349 | ||
| 75cd5204 RM |
350 | case _SC_CHARCLASS_NAME_MAX: |
| 351 | #ifdef CHARCLASS_NAME_MAX | |
| 352 | return CHARCLASS_NAME_MAX; | |
| 353 | #else | |
| 354 | return -1; | |
| 355 | #endif | |
| 28f540f4 | 356 | |
| 503054c0 | 357 | case _SC_PII: |
| 3b566046 | 358 | #if CONF_IS_DEFINED_SET (_POSIX_PII) |
| 503054c0 RM |
359 | return 1; |
| 360 | #else | |
| 361 | return -1; | |
| 362 | #endif | |
| 363 | ||
| 364 | case _SC_PII_XTI: | |
| 3b566046 | 365 | #if CONF_IS_DEFINED_SET (_POSIX_PII_XTI) |
| 503054c0 RM |
366 | return 1; |
| 367 | #else | |
| 368 | return -1; | |
| 369 | #endif | |
| 370 | ||
| 371 | case _SC_PII_SOCKET: | |
| 3b566046 | 372 | #if CONF_IS_DEFINED_SET (_POSIX_PII_SOCKET) |
| 503054c0 RM |
373 | return 1; |
| 374 | #else | |
| 375 | return -1; | |
| 376 | #endif | |
| 377 | ||
| 378 | case _SC_PII_INTERNET: | |
| 3b566046 | 379 | #if CONF_IS_DEFINED_SET (_POSIX_PII_INTERNET) |
| 503054c0 RM |
380 | return 1; |
| 381 | #else | |
| 382 | return -1; | |
| 383 | #endif | |
| 384 | ||
| 385 | case _SC_PII_OSI: | |
| 3b566046 | 386 | #if CONF_IS_DEFINED_SET (_POSIX_PII_OSI) |
| 503054c0 RM |
387 | return 1; |
| 388 | #else | |
| 389 | return -1; | |
| 390 | #endif | |
| 391 | ||
| 392 | case _SC_POLL: | |
| 3b566046 | 393 | #if CONF_IS_DEFINED_SET (_POSIX_POLL) |
| 503054c0 RM |
394 | return 1; |
| 395 | #else | |
| 396 | return -1; | |
| 397 | #endif | |
| 398 | ||
| 399 | case _SC_SELECT: | |
| 3b566046 | 400 | #if CONF_IS_DEFINED_SET (_POSIX_SELECT) |
| 503054c0 RM |
401 | return 1; |
| 402 | #else | |
| 403 | return -1; | |
| 404 | #endif | |
| 405 | ||
| 7780fd93 | 406 | /* The same as _SC_IOV_MAX. */ |
| 503054c0 RM |
407 | case _SC_UIO_MAXIOV: |
| 408 | #ifdef UIO_MAXIOV | |
| 409 | return UIO_MAXIOV; | |
| 410 | #else | |
| 411 | return -1; | |
| 412 | #endif | |
| 413 | ||
| 414 | case _SC_PII_INTERNET_STREAM: | |
| 3b566046 | 415 | #if CONF_IS_DEFINED_SET (_POSIX_PII_INTERNET_STREAM) |
| 503054c0 RM |
416 | return 1; |
| 417 | #else | |
| 418 | return -1; | |
| 419 | #endif | |
| 420 | ||
| 421 | case _SC_PII_INTERNET_DGRAM: | |
| 3b566046 | 422 | #if CONF_IS_DEFINED_SET (_POSIX_PII_INTERNET_DGRAM) |
| 503054c0 RM |
423 | return 1; |
| 424 | #else | |
| 425 | return -1; | |
| 426 | #endif | |
| 427 | ||
| 428 | case _SC_PII_OSI_COTS: | |
| 3b566046 | 429 | #if CONF_IS_DEFINED_SET (_POSIX_PII_OSI_COTS) |
| 503054c0 RM |
430 | return 1; |
| 431 | #else | |
| 432 | return -1; | |
| 433 | #endif | |
| 434 | ||
| 435 | case _SC_PII_OSI_CLTS: | |
| 3b566046 | 436 | #if CONF_IS_DEFINED_SET (_POSIX_PII_OSI_CLTS) |
| 503054c0 RM |
437 | return 1; |
| 438 | #else | |
| 439 | return -1; | |
| 440 | #endif | |
| 441 | ||
| 442 | case _SC_PII_OSI_M: | |
| 3b566046 | 443 | #if CONF_IS_DEFINED_SET (_POSIX_PII_OSI_M) |
| 503054c0 RM |
444 | return 1; |
| 445 | #else | |
| 446 | return -1; | |
| 447 | #endif | |
| 448 | ||
| 449 | case _SC_T_IOV_MAX: | |
| 450 | #ifdef _T_IOV_MAX | |
| 451 | return _T_IOV_MAX; | |
| 452 | #else | |
| 453 | return -1; | |
| 454 | #endif | |
| 455 | ||
| 28f540f4 | 456 | case _SC_2_VERSION: |
| 9756dfe1 | 457 | return _POSIX2_VERSION; |
| 28f540f4 RM |
458 | |
| 459 | case _SC_2_C_BIND: | |
| 460 | #ifdef _POSIX2_C_BIND | |
| 461 | return _POSIX2_C_BIND; | |
| 462 | #else | |
| 463 | return -1; | |
| 464 | #endif | |
| 465 | ||
| 466 | case _SC_2_C_DEV: | |
| 467 | #ifdef _POSIX2_C_DEV | |
| 468 | return _POSIX2_C_DEV; | |
| 469 | #else | |
| 470 | return -1; | |
| 471 | #endif | |
| 472 | ||
| 2c6fe0bd UD |
473 | case _SC_2_C_VERSION: |
| 474 | #ifdef _POSIX2_C_VERSION | |
| 475 | return _POSIX2_C_VERSION; | |
| 476 | #else | |
| 477 | return -1; | |
| 478 | #endif | |
| 479 | ||
| 28f540f4 RM |
480 | case _SC_2_FORT_DEV: |
| 481 | #ifdef _POSIX2_FORT_DEV | |
| 482 | return _POSIX2_FORT_DEV; | |
| 483 | #else | |
| 484 | return -1; | |
| 485 | #endif | |
| 486 | ||
| 7780fd93 UD |
487 | case _SC_2_FORT_RUN: |
| 488 | #ifdef _POSIX2_FORT_RUN | |
| 489 | return _POSIX2_FORT_RUN; | |
| 490 | #else | |
| 491 | return -1; | |
| 492 | #endif | |
| 493 | ||
| 60478656 RM |
494 | case _SC_2_LOCALEDEF: |
| 495 | #ifdef _POSIX2_LOCALEDEF | |
| 496 | return _POSIX2_LOCALEDEF; | |
| 497 | #else | |
| 498 | return -1; | |
| 499 | #endif | |
| 500 | ||
| 28f540f4 RM |
501 | case _SC_2_SW_DEV: |
| 502 | #ifdef _POSIX2_SW_DEV | |
| 503 | return _POSIX2_SW_DEV; | |
| 504 | #else | |
| 505 | return -1; | |
| 506 | #endif | |
| 23396375 | 507 | |
| 2c6fe0bd UD |
508 | case _SC_2_CHAR_TERM: |
| 509 | #ifdef _POSIX2_CHAR_TERM | |
| 510 | return _POSIX2_CHAR_TERM; | |
| 511 | #else | |
| 512 | return -1; | |
| 513 | #endif | |
| 514 | ||
| 515 | case _SC_2_UPE: | |
| 516 | #ifdef _POSIX2_UPE | |
| 517 | return _POSIX2_UPE; | |
| 518 | #else | |
| 519 | return -1; | |
| 520 | #endif | |
| 521 | ||
| 23396375 UD |
522 | /* POSIX 1003.1c (POSIX Threads). */ |
| 523 | case _SC_THREADS: | |
| 3b566046 | 524 | #if CONF_IS_DEFINED_SET (_POSIX_THREADS) |
| fbf86dda | 525 | return _POSIX_THREADS; |
| 23396375 UD |
526 | #else |
| 527 | return -1; | |
| 528 | #endif | |
| 529 | ||
| 530 | case _SC_THREAD_SAFE_FUNCTIONS: | |
| 3b566046 | 531 | #if CONF_IS_DEFINED_SET (_POSIX_THREAD_SAFE_FUNCTIONS) |
| fbf86dda | 532 | return _POSIX_THREAD_SAFE_FUNCTIONS; |
| 23396375 UD |
533 | #else |
| 534 | return -1; | |
| 535 | #endif | |
| 536 | ||
| 537 | case _SC_GETGR_R_SIZE_MAX: | |
| 23396375 | 538 | return NSS_BUFLEN_GROUP; |
| 23396375 UD |
539 | |
| 540 | case _SC_GETPW_R_SIZE_MAX: | |
| 23396375 | 541 | return NSS_BUFLEN_PASSWD; |
| 23396375 UD |
542 | |
| 543 | case _SC_LOGIN_NAME_MAX: | |
| 46d7e2ba UD |
544 | #ifdef LOGIN_NAME_MAX |
| 545 | return LOGIN_NAME_MAX; | |
| 23396375 UD |
546 | #else |
| 547 | return -1; | |
| 548 | #endif | |
| 549 | ||
| 550 | case _SC_TTY_NAME_MAX: | |
| 46d7e2ba UD |
551 | #ifdef TTY_NAME_MAX |
| 552 | return TTY_NAME_MAX; | |
| 23396375 UD |
553 | #else |
| 554 | return -1; | |
| 555 | #endif | |
| 556 | ||
| 557 | case _SC_THREAD_DESTRUCTOR_ITERATIONS: | |
| 3b566046 | 558 | #if CONF_IS_DEFINED_SET (_POSIX_THREAD_DESTRUCTOR_ITERATIONS) |
| edf5b2d7 | 559 | return _POSIX_THREAD_DESTRUCTOR_ITERATIONS; |
| 23396375 UD |
560 | #else |
| 561 | return -1; | |
| 562 | #endif | |
| 563 | ||
| 564 | case _SC_THREAD_KEYS_MAX: | |
| 565 | #ifdef PTHREAD_KEYS_MAX | |
| 566 | return PTHREAD_KEYS_MAX; | |
| 567 | #else | |
| 568 | return -1; | |
| 569 | #endif | |
| 570 | ||
| 571 | case _SC_THREAD_STACK_MIN: | |
| 572 | #ifdef PTHREAD_STACK_MIN | |
| 573 | return PTHREAD_STACK_MIN; | |
| 574 | #else | |
| 575 | return -1; | |
| 576 | #endif | |
| 577 | ||
| 578 | case _SC_THREAD_THREADS_MAX: | |
| 579 | #ifdef PTHREAD_THREADS_MAX | |
| 580 | return PTHREAD_THREADS_MAX; | |
| 581 | #else | |
| 582 | return -1; | |
| 583 | #endif | |
| 584 | ||
| 585 | case _SC_THREAD_ATTR_STACKADDR: | |
| 3b566046 | 586 | #if CONF_IS_DEFINED_SET (_POSIX_THREAD_ATTR_STACKADDR) |
| fbf86dda | 587 | return _POSIX_THREAD_ATTR_STACKADDR; |
| 23396375 UD |
588 | #else |
| 589 | return -1; | |
| 590 | #endif | |
| 591 | ||
| 592 | case _SC_THREAD_ATTR_STACKSIZE: | |
| 3b566046 | 593 | #if CONF_IS_DEFINED_SET (_POSIX_THREAD_ATTR_STACKSIZE) |
| fbf86dda | 594 | return _POSIX_THREAD_ATTR_STACKSIZE; |
| 23396375 UD |
595 | #else |
| 596 | return -1; | |
| 597 | #endif | |
| 598 | ||
| 599 | case _SC_THREAD_PRIORITY_SCHEDULING: | |
| 3b566046 | 600 | #if CONF_IS_DEFINED_SET (_POSIX_THREAD_PRIORITY_SCHEDULING) |
| fbf86dda | 601 | return _POSIX_THREAD_PRIORITY_SCHEDULING; |
| 23396375 UD |
602 | #else |
| 603 | return -1; | |
| 604 | #endif | |
| 605 | ||
| 606 | case _SC_THREAD_PRIO_INHERIT: | |
| 3b566046 | 607 | #if CONF_IS_DEFINED_SET (_POSIX_THREAD_PRIO_INHERIT) |
| fbf86dda | 608 | return _POSIX_THREAD_PRIO_INHERIT; |
| 23396375 UD |
609 | #else |
| 610 | return -1; | |
| 611 | #endif | |
| 612 | ||
| 613 | case _SC_THREAD_PRIO_PROTECT: | |
| 3b566046 | 614 | #if CONF_IS_DEFINED_SET (_POSIX_THREAD_PRIO_PROTECT) |
| fbf86dda | 615 | return _POSIX_THREAD_PRIO_PROTECT; |
| 23396375 UD |
616 | #else |
| 617 | return -1; | |
| 618 | #endif | |
| 619 | ||
| 620 | case _SC_THREAD_PROCESS_SHARED: | |
| 3b566046 | 621 | #if CONF_IS_DEFINED_SET (_POSIX_THREAD_PROCESS_SHARED) |
| fbf86dda | 622 | return _POSIX_THREAD_PROCESS_SHARED; |
| 23396375 UD |
623 | #else |
| 624 | return -1; | |
| 625 | #endif | |
| 845dcb57 UD |
626 | |
| 627 | case _SC_NPROCESSORS_CONF: | |
| 628 | return __get_nprocs_conf (); | |
| 629 | ||
| 630 | case _SC_NPROCESSORS_ONLN: | |
| 631 | return __get_nprocs (); | |
| 632 | ||
| 633 | case _SC_PHYS_PAGES: | |
| 634 | return __get_phys_pages (); | |
| 635 | ||
| 636 | case _SC_AVPHYS_PAGES: | |
| 637 | return __get_avphys_pages (); | |
| 638 | ||
| 639 | case _SC_ATEXIT_MAX: | |
| 640 | /* We have no limit since we use lists. */ | |
| 641 | return INT_MAX; | |
| 642 | ||
| 643 | case _SC_PASS_MAX: | |
| 644 | /* We have no limit but since the return value might be used to | |
| 645 | allocate a buffer we restrict the value. */ | |
| 646 | return BUFSIZ; | |
| 647 | ||
| 648 | case _SC_XOPEN_VERSION: | |
| 649 | return _XOPEN_VERSION; | |
| 2c6fe0bd UD |
650 | |
| 651 | case _SC_XOPEN_XCU_VERSION: | |
| 652 | return _XOPEN_XCU_VERSION; | |
| 653 | ||
| 654 | case _SC_XOPEN_UNIX: | |
| 655 | return _XOPEN_UNIX; | |
| 656 | ||
| 657 | case _SC_XOPEN_CRYPT: | |
| 658 | #ifdef _XOPEN_CRYPT | |
| 659 | return _XOPEN_CRYPT; | |
| 660 | #else | |
| 661 | return -1; | |
| 662 | #endif | |
| 663 | ||
| 664 | case _SC_XOPEN_ENH_I18N: | |
| 665 | #ifdef _XOPEN_ENH_I18N | |
| 666 | return _XOPEN_ENH_I18N; | |
| 667 | #else | |
| 668 | return -1; | |
| 669 | #endif | |
| 670 | ||
| 671 | case _SC_XOPEN_SHM: | |
| 672 | #ifdef _XOPEN_SHM | |
| 673 | return _XOPEN_SHM; | |
| 674 | #else | |
| 675 | return -1; | |
| 676 | #endif | |
| 677 | ||
| 678 | case _SC_XOPEN_XPG2: | |
| 679 | #ifdef _XOPEN_XPG2 | |
| 680 | return _XOPEN_XPG2; | |
| 681 | #else | |
| 682 | return -1; | |
| 683 | #endif | |
| 684 | ||
| 685 | case _SC_XOPEN_XPG3: | |
| 686 | #ifdef _XOPEN_XPG3 | |
| 687 | return _XOPEN_XPG3; | |
| 688 | #else | |
| 689 | return -1; | |
| 690 | #endif | |
| 691 | ||
| 692 | case _SC_XOPEN_XPG4: | |
| 693 | #ifdef _XOPEN_XPG4 | |
| 694 | return _XOPEN_XPG4; | |
| 695 | #else | |
| 696 | return -1; | |
| 697 | #endif | |
| 698 | ||
| 699 | case _SC_CHAR_BIT: | |
| 700 | return CHAR_BIT; | |
| 701 | ||
| 702 | case _SC_CHAR_MAX: | |
| 703 | return CHAR_MAX; | |
| 704 | ||
| 705 | case _SC_CHAR_MIN: | |
| 706 | return CHAR_MIN; | |
| 707 | ||
| 708 | case _SC_INT_MAX: | |
| 709 | return INT_MAX; | |
| 710 | ||
| 711 | case _SC_INT_MIN: | |
| 712 | return INT_MIN; | |
| 713 | ||
| 714 | case _SC_LONG_BIT: | |
| 715 | return sizeof (long int) * CHAR_BIT; | |
| 716 | ||
| 717 | case _SC_WORD_BIT: | |
| 718 | return sizeof (int) * CHAR_BIT; | |
| 719 | ||
| 720 | case _SC_MB_LEN_MAX: | |
| 721 | return MB_LEN_MAX; | |
| 722 | ||
| 723 | case _SC_NZERO: | |
| 724 | return NZERO; | |
| 725 | ||
| 726 | case _SC_SSIZE_MAX: | |
| 727 | return _POSIX_SSIZE_MAX; | |
| 728 | ||
| 729 | case _SC_SCHAR_MAX: | |
| 730 | return SCHAR_MAX; | |
| 731 | ||
| 732 | case _SC_SCHAR_MIN: | |
| 733 | return SCHAR_MIN; | |
| 734 | ||
| 735 | case _SC_SHRT_MAX: | |
| 736 | return SHRT_MAX; | |
| 737 | ||
| 738 | case _SC_SHRT_MIN: | |
| 739 | return SHRT_MIN; | |
| 740 | ||
| 741 | case _SC_UCHAR_MAX: | |
| 742 | return UCHAR_MAX; | |
| 743 | ||
| 744 | case _SC_UINT_MAX: | |
| 745 | return UINT_MAX; | |
| 746 | ||
| 747 | case _SC_ULONG_MAX: | |
| 748 | return ULONG_MAX; | |
| 749 | ||
| 750 | case _SC_USHRT_MAX: | |
| 751 | return USHRT_MAX; | |
| 752 | ||
| 753 | case _SC_NL_ARGMAX: | |
| 754 | #ifdef NL_ARGMAX | |
| 755 | return NL_ARGMAX; | |
| 756 | #else | |
| 757 | return -1; | |
| 758 | #endif | |
| 759 | ||
| 760 | case _SC_NL_LANGMAX: | |
| 761 | #ifdef NL_LANGMAX | |
| 762 | return NL_LANGMAX; | |
| 763 | #else | |
| 764 | return -1; | |
| 765 | #endif | |
| 766 | ||
| 767 | case _SC_NL_MSGMAX: | |
| 768 | #ifdef NL_MSGMAX | |
| 769 | return NL_MSGMAX; | |
| 770 | #else | |
| 771 | return -1; | |
| 772 | #endif | |
| 773 | ||
| 774 | case _SC_NL_NMAX: | |
| 775 | #ifdef NL_NMAX | |
| 776 | return NL_NMAX; | |
| 777 | #else | |
| 778 | return -1; | |
| 779 | #endif | |
| 780 | ||
| 781 | case _SC_NL_SETMAX: | |
| 782 | #ifdef NL_SETMAX | |
| 783 | return NL_SETMAX; | |
| 784 | #else | |
| 785 | return -1; | |
| 786 | #endif | |
| 787 | ||
| 788 | case _SC_NL_TEXTMAX: | |
| 789 | #ifdef NL_TEXTMAX | |
| 790 | return NL_TEXTMAX; | |
| 791 | #else | |
| 792 | return -1; | |
| 793 | #endif | |
| 9756dfe1 | 794 | |
| 531f1ae0 JM |
795 | #define START_ENV_GROUP(VERSION) \ |
| 796 | /* Empty. */ | |
| 9756dfe1 | 797 | |
| 531f1ae0 JM |
798 | #define END_ENV_GROUP(VERSION) \ |
| 799 | /* Empty. */ | |
| d20f21a2 | 800 | |
| 531f1ae0 JM |
801 | #define KNOWN_ABSENT_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \ |
| 802 | case _SC_##SC_PREFIX##_##SUFFIX: \ | |
| 803 | return _##ENV_PREFIX##_##SUFFIX; | |
| 804 | ||
| 805 | #define KNOWN_PRESENT_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \ | |
| 806 | case _SC_##SC_PREFIX##_##SUFFIX: \ | |
| 807 | return _##ENV_PREFIX##_##SUFFIX; | |
| 808 | ||
| 809 | #define UNKNOWN_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \ | |
| 810 | case _SC_##SC_PREFIX##_##SUFFIX: \ | |
| 811 | return __sysconf_check_spec (#SUFFIX); | |
| 812 | ||
| 813 | #include <posix/posix-envs.def> | |
| 814 | ||
| 815 | #undef START_ENV_GROUP | |
| 816 | #undef END_ENV_GROUP | |
| 817 | #undef KNOWN_ABSENT_ENVIRONMENT | |
| 818 | #undef KNOWN_PRESENT_ENVIRONMENT | |
| 819 | #undef UNKNOWN_ENVIRONMENT | |
| 26b62243 | 820 | |
| 9756dfe1 UD |
821 | case _SC_XOPEN_LEGACY: |
| 822 | return _XOPEN_LEGACY; | |
| 823 | ||
| 824 | case _SC_XOPEN_REALTIME: | |
| 825 | #ifdef _XOPEN_REALTIME | |
| 826 | return _XOPEN_REALTIME; | |
| 827 | #else | |
| 828 | return -1; | |
| 829 | #endif | |
| 830 | case _SC_XOPEN_REALTIME_THREADS: | |
| 831 | #ifdef _XOPEN_REALTIME_THREADS | |
| 832 | return _XOPEN_REALTIME_THREADS; | |
| 833 | #else | |
| 834 | return -1; | |
| 835 | #endif | |
| b3ae0650 UD |
836 | |
| 837 | case _SC_ADVISORY_INFO: | |
| 3b566046 | 838 | #if CONF_IS_DEFINED_SET (_POSIX_ADVISORY_INFO) |
| b3ae0650 UD |
839 | return _POSIX_ADVISORY_INFO; |
| 840 | #else | |
| 841 | return -1; | |
| 842 | #endif | |
| 843 | ||
| 844 | case _SC_BARRIERS: | |
| 3b566046 | 845 | #if CONF_IS_DEFINED_SET (_POSIX_BARRIERS) |
| b3ae0650 UD |
846 | return _POSIX_BARRIERS; |
| 847 | #else | |
| 848 | return -1; | |
| 849 | #endif | |
| 850 | ||
| 851 | case _SC_BASE: | |
| 3b566046 | 852 | #if CONF_IS_DEFINED_SET (_POSIX_BASE) |
| b3ae0650 UD |
853 | return _POSIX_BASE; |
| 854 | #else | |
| 855 | return -1; | |
| 856 | #endif | |
| 857 | case _SC_C_LANG_SUPPORT: | |
| 3b566046 | 858 | #if CONF_IS_DEFINED_SET (_POSIX_C_LANG_SUPPORT) |
| b3ae0650 UD |
859 | return _POSIX_C_LANG_SUPPORT; |
| 860 | #else | |
| 861 | return -1; | |
| 862 | #endif | |
| 863 | case _SC_C_LANG_SUPPORT_R: | |
| 3b566046 | 864 | #if CONF_IS_DEFINED_SET (_POSIX_C_LANG_SUPPORT_R) |
| b3ae0650 UD |
865 | return _POSIX_C_LANG_SUPPORT_R; |
| 866 | #else | |
| 867 | return -1; | |
| 868 | #endif | |
| 869 | ||
| 870 | case _SC_CLOCK_SELECTION: | |
| 3b566046 | 871 | #if CONF_IS_DEFINED_SET (_POSIX_CLOCK_SELECTION) |
| b3ae0650 UD |
872 | return _POSIX_CLOCK_SELECTION; |
| 873 | #else | |
| 874 | return -1; | |
| 875 | #endif | |
| 876 | ||
| 877 | case _SC_CPUTIME: | |
| 3b566046 | 878 | #if CONF_IS_DEFINED_SET (_POSIX_CPUTIME) |
| b3ae0650 UD |
879 | return _POSIX_CPUTIME; |
| 880 | #else | |
| 881 | return -1; | |
| 882 | #endif | |
| 883 | ||
| 884 | case _SC_DEVICE_IO: | |
| 3b566046 | 885 | #if CONF_IS_DEFINED_SET (_POSIX_DEVICE_IO) |
| b3ae0650 UD |
886 | return _POSIX_DEVICE_IO; |
| 887 | #else | |
| 888 | return -1; | |
| 889 | #endif | |
| 890 | case _SC_DEVICE_SPECIFIC: | |
| 3b566046 | 891 | #if CONF_IS_DEFINED_SET (_POSIX_DEVICE_SPECIFIC) |
| b3ae0650 UD |
892 | return _POSIX_DEVICE_SPECIFIC; |
| 893 | #else | |
| 894 | return -1; | |
| 895 | #endif | |
| 896 | case _SC_DEVICE_SPECIFIC_R: | |
| 3b566046 | 897 | #if CONF_IS_DEFINED_SET (_POSIX_DEVICE_SPECIFIC_R) |
| b3ae0650 UD |
898 | return _POSIX_DEVICE_SPECIFIC_R; |
| 899 | #else | |
| 900 | return -1; | |
| 901 | #endif | |
| 902 | ||
| 903 | case _SC_FD_MGMT: | |
| 3b566046 | 904 | #if CONF_IS_DEFINED_SET (_POSIX_FD_MGMT) |
| b3ae0650 UD |
905 | return _POSIX_FD_MGMT; |
| 906 | #else | |
| 907 | return -1; | |
| 908 | #endif | |
| 909 | ||
| 910 | case _SC_FIFO: | |
| 3b566046 | 911 | #if CONF_IS_DEFINED_SET (_POSIX_FIFO) |
| b3ae0650 UD |
912 | return _POSIX_FIFO; |
| 913 | #else | |
| 914 | return -1; | |
| 915 | #endif | |
| 916 | case _SC_PIPE: | |
| 3b566046 | 917 | #if CONF_IS_DEFINED_SET (_POSIX_PIPE) |
| b3ae0650 UD |
918 | return _POSIX_PIPE; |
| 919 | #else | |
| 920 | return -1; | |
| 921 | #endif | |
| 922 | ||
| 923 | case _SC_FILE_ATTRIBUTES: | |
| 3b566046 | 924 | #if CONF_IS_DEFINED_SET (_POSIX_FILE_ATTRIBUTES) |
| b3ae0650 UD |
925 | return _POSIX_FILE_ATTRIBUTES; |
| 926 | #else | |
| 927 | return -1; | |
| 928 | #endif | |
| 929 | case _SC_FILE_LOCKING: | |
| 3b566046 | 930 | #if CONF_IS_DEFINED_SET (_POSIX_FILE_LOCKING) |
| b3ae0650 UD |
931 | return _POSIX_FILE_LOCKING; |
| 932 | #else | |
| 933 | return -1; | |
| 934 | #endif | |
| 935 | case _SC_FILE_SYSTEM: | |
| 3b566046 | 936 | #if CONF_IS_DEFINED_SET (_POSIX_FILE_SYSTEM) |
| b3ae0650 UD |
937 | return _POSIX_FILE_SYSTEM; |
| 938 | #else | |
| 939 | return -1; | |
| 940 | #endif | |
| 941 | ||
| 942 | case _SC_MONOTONIC_CLOCK: | |
| 3b566046 | 943 | #if CONF_IS_DEFINED_SET (_POSIX_MONOTONIC_CLOCK) |
| b3ae0650 UD |
944 | return _POSIX_MONOTONIC_CLOCK; |
| 945 | #else | |
| 946 | return -1; | |
| 947 | #endif | |
| 948 | ||
| a3bbce5b | 949 | case _SC_MULTI_PROCESS: |
| 3b566046 | 950 | #if CONF_IS_DEFINED_SET (_POSIX_MULTI_PROCESS) |
| a3bbce5b | 951 | return _POSIX_MULTI_PROCESS; |
| b3ae0650 UD |
952 | #else |
| 953 | return -1; | |
| 954 | #endif | |
| 955 | case _SC_SINGLE_PROCESS: | |
| 3b566046 | 956 | #if CONF_IS_DEFINED_SET (_POSIX_SINGLE_PROCESS) |
| b3ae0650 UD |
957 | return _POSIX_SINGLE_PROCESS; |
| 958 | #else | |
| 959 | return -1; | |
| 960 | #endif | |
| 961 | ||
| 962 | case _SC_NETWORKING: | |
| 3b566046 | 963 | #if CONF_IS_DEFINED_SET (_POSIX_NETWORKING) |
| b3ae0650 UD |
964 | return _POSIX_NETWORKING; |
| 965 | #else | |
| 966 | return -1; | |
| 967 | #endif | |
| 968 | ||
| 969 | case _SC_READER_WRITER_LOCKS: | |
| 3b566046 | 970 | #if CONF_IS_DEFINED_SET (_POSIX_READER_WRITER_LOCKS) |
| b3ae0650 UD |
971 | return _POSIX_READER_WRITER_LOCKS; |
| 972 | #else | |
| 973 | return -1; | |
| 974 | #endif | |
| 975 | case _SC_SPIN_LOCKS: | |
| 3b566046 | 976 | #if CONF_IS_DEFINED_SET (_POSIX_SPIN_LOCKS) |
| b3ae0650 UD |
977 | return _POSIX_SPIN_LOCKS; |
| 978 | #else | |
| 979 | return -1; | |
| 980 | #endif | |
| 981 | ||
| 982 | case _SC_REGEXP: | |
| 3b566046 | 983 | #if CONF_IS_DEFINED_SET (_POSIX_REGEXP) |
| b3ae0650 UD |
984 | return _POSIX_REGEXP; |
| 985 | #else | |
| 986 | return -1; | |
| 987 | #endif | |
| 61fe374a SP |
988 | /* _REGEX_VERSION has been removed with IEEE Std 1003.1-2001/Cor 2-2004, |
| 989 | item XSH/TC2/D6/137. */ | |
| b3ae0650 | 990 | case _SC_REGEX_VERSION: |
| b3ae0650 | 991 | return -1; |
| b3ae0650 UD |
992 | |
| 993 | case _SC_SHELL: | |
| 3b566046 | 994 | #if CONF_IS_DEFINED_SET (_POSIX_SHELL) |
| b3ae0650 UD |
995 | return _POSIX_SHELL; |
| 996 | #else | |
| 997 | return -1; | |
| 998 | #endif | |
| 999 | ||
| 1000 | case _SC_SIGNALS: | |
| 3b566046 | 1001 | #if CONF_IS_DEFINED (_POSIX_SIGNALS) |
| b3ae0650 UD |
1002 | return _POSIX_SIGNALS; |
| 1003 | #else | |
| 1004 | return -1; | |
| 1005 | #endif | |
| 1006 | ||
| 1007 | case _SC_SPAWN: | |
| 3b566046 | 1008 | #if CONF_IS_DEFINED_SET (_POSIX_SPAWN) |
| b3ae0650 UD |
1009 | return _POSIX_SPAWN; |
| 1010 | #else | |
| 1011 | return -1; | |
| 1012 | #endif | |
| 1013 | ||
| 1014 | case _SC_SPORADIC_SERVER: | |
| 3b566046 | 1015 | #if CONF_IS_DEFINED_SET (_POSIX_SPORADIC_SERVER) |
| b3ae0650 UD |
1016 | return _POSIX_SPORADIC_SERVER; |
| 1017 | #else | |
| 1018 | return -1; | |
| 1019 | #endif | |
| 1020 | case _SC_THREAD_SPORADIC_SERVER: | |
| 3b566046 | 1021 | #if CONF_IS_DEFINED_SET (_POSIX_THREAD_SPORADIC_SERVER) |
| b3ae0650 UD |
1022 | return _POSIX_THREAD_SPORADIC_SERVER; |
| 1023 | #else | |
| 1024 | return -1; | |
| 1025 | #endif | |
| 1026 | ||
| 1027 | case _SC_SYSTEM_DATABASE: | |
| 3b566046 | 1028 | #if CONF_IS_DEFINED_SET (_POSIX_SYSTEM_DATABASE) |
| b3ae0650 UD |
1029 | return _POSIX_SYSTEM_DATABASE; |
| 1030 | #else | |
| 1031 | return -1; | |
| 1032 | #endif | |
| 1033 | case _SC_SYSTEM_DATABASE_R: | |
| 3b566046 | 1034 | #if CONF_IS_DEFINED_SET (_POSIX_SYSTEM_DATABASE_R) |
| b3ae0650 UD |
1035 | return _POSIX_SYSTEM_DATABASE_R; |
| 1036 | #else | |
| 1037 | return -1; | |
| 1038 | #endif | |
| 1039 | ||
| 1040 | case _SC_THREAD_CPUTIME: | |
| 3b566046 | 1041 | #if CONF_IS_DEFINED_SET (_POSIX_THREAD_CPUTIME) |
| b3ae0650 UD |
1042 | return _POSIX_THREAD_CPUTIME; |
| 1043 | #else | |
| 1044 | return -1; | |
| 1045 | #endif | |
| 1046 | ||
| 1047 | case _SC_TIMEOUTS: | |
| 3b566046 | 1048 | #if CONF_IS_DEFINED_SET (_POSIX_TIMEOUTS) |
| b3ae0650 UD |
1049 | return _POSIX_TIMEOUTS; |
| 1050 | #else | |
| 1051 | return -1; | |
| 1052 | #endif | |
| 1053 | ||
| 1054 | case _SC_TYPED_MEMORY_OBJECTS: | |
| 3b566046 | 1055 | #if CONF_IS_DEFINED_SET (_POSIX_TYPED_MEMORY_OBJECTS) |
| b3ae0650 UD |
1056 | return _POSIX_TYPED_MEMORY_OBJECTS; |
| 1057 | #else | |
| 1058 | return -1; | |
| 1059 | #endif | |
| 1060 | ||
| 1061 | case _SC_USER_GROUPS: | |
| 3b566046 | 1062 | #if CONF_IS_DEFINED_SET (_POSIX_USER_GROUPS) |
| b3ae0650 UD |
1063 | return _POSIX_USER_GROUPS; |
| 1064 | #else | |
| 1065 | return -1; | |
| 1066 | #endif | |
| 1067 | case _SC_USER_GROUPS_R: | |
| 3b566046 | 1068 | #if CONF_IS_DEFINED_SET (_POSIX_USER_GROUPS_R) |
| b3ae0650 UD |
1069 | return _POSIX_USER_GROUPS_R; |
| 1070 | #else | |
| 1071 | return -1; | |
| 1072 | #endif | |
| 1073 | ||
| 6b3e8333 | 1074 | case _SC_2_PBS: |
| b3ae0650 UD |
1075 | #ifdef _POSIX2_PBS |
| 1076 | return _POSIX2_PBS; | |
| 1077 | #else | |
| 1078 | return -1; | |
| 1079 | #endif | |
| 6b3e8333 | 1080 | case _SC_2_PBS_ACCOUNTING: |
| b3ae0650 UD |
1081 | #ifdef _POSIX2_PBS_ACCOUNTING |
| 1082 | return _POSIX2_PBS_ACCOUNTING; | |
| 1083 | #else | |
| 1084 | return -1; | |
| 1085 | #endif | |
| 6b3e8333 UD |
1086 | case _SC_2_PBS_CHECKPOINT: |
| 1087 | #ifdef _POSIX2_PBS_CHECKPOINT | |
| 1088 | return _POSIX2_PBS_CHECKPOINT; | |
| 1089 | #else | |
| 1090 | return -1; | |
| 1091 | #endif | |
| 1092 | case _SC_2_PBS_LOCATE: | |
| b3ae0650 UD |
1093 | #ifdef _POSIX2_PBS_LOCATE |
| 1094 | return _POSIX2_PBS_LOCATE; | |
| 1095 | #else | |
| 1096 | return -1; | |
| 7780fd93 UD |
1097 | #endif |
| 1098 | case _SC_2_PBS_MESSAGE: | |
| 1099 | #ifdef _POSIX2_PBS_MESSAGE | |
| 1100 | return _POSIX2_PBS_MESSAGE; | |
| 1101 | #else | |
| 1102 | return -1; | |
| b3ae0650 | 1103 | #endif |
| 6b3e8333 | 1104 | case _SC_2_PBS_TRACK: |
| b3ae0650 UD |
1105 | #ifdef _POSIX2_PBS_TRACK |
| 1106 | return _POSIX2_PBS_TRACK; | |
| 1107 | #else | |
| 1108 | return -1; | |
| 1109 | #endif | |
| 1110 | ||
| a3bbce5b | 1111 | case _SC_SYMLOOP_MAX: |
| b3ae0650 UD |
1112 | #ifdef SYMLOOP_MAX |
| 1113 | return SYMLOOP_MAX; | |
| 1114 | #else | |
| 1115 | return -1; | |
| 1116 | #endif | |
| 6b3e8333 UD |
1117 | |
| 1118 | case _SC_STREAMS: | |
| 1119 | #ifdef _XOPEN_STREAMS | |
| 1120 | return _XOPEN_STREAMS; | |
| 1121 | #else | |
| 1122 | return -1; | |
| 1123 | #endif | |
| 7780fd93 UD |
1124 | |
| 1125 | case _SC_HOST_NAME_MAX: | |
| 1126 | #ifdef HOST_NAME_MAX | |
| 1127 | return HOST_NAME_MAX; | |
| 1128 | #else | |
| 1129 | return -1; | |
| 1130 | #endif | |
| 1131 | ||
| 1132 | case _SC_TRACE: | |
| 3b566046 | 1133 | #if CONF_IS_DEFINED_SET (_POSIX_TRACE) |
| 7780fd93 UD |
1134 | return _POSIX_TRACE; |
| 1135 | #else | |
| 1136 | return -1; | |
| 1137 | #endif | |
| 1138 | case _SC_TRACE_EVENT_FILTER: | |
| 3b566046 | 1139 | #if CONF_IS_DEFINED_SET (_POSIX_TRACE_EVENT_FILTER) |
| 7780fd93 UD |
1140 | return _POSIX_TRACE_EVENT_FILTER; |
| 1141 | #else | |
| 1142 | return -1; | |
| 1143 | #endif | |
| 1144 | case _SC_TRACE_INHERIT: | |
| 3b566046 | 1145 | #if CONF_IS_DEFINED_SET (_POSIX_TRACE_INHERIT) |
| 7780fd93 UD |
1146 | return _POSIX_TRACE_INHERIT; |
| 1147 | #else | |
| 1148 | return -1; | |
| 1149 | #endif | |
| 1150 | case _SC_TRACE_LOG: | |
| 3b566046 | 1151 | #if CONF_IS_DEFINED_SET (_POSIX_TRACE_LOG) |
| 7780fd93 UD |
1152 | return _POSIX_TRACE_LOG; |
| 1153 | #else | |
| 1154 | return -1; | |
| 1155 | #endif | |
| bf067910 | 1156 | |
| 67108e40 UD |
1157 | case _SC_TRACE_EVENT_NAME_MAX: |
| 1158 | case _SC_TRACE_NAME_MAX: | |
| 1159 | case _SC_TRACE_SYS_MAX: | |
| 1160 | case _SC_TRACE_USER_EVENT_MAX: | |
| 1161 | /* No support for tracing. */ | |
| 1162 | ||
| 1163 | case _SC_XOPEN_STREAMS: | |
| 1164 | /* No support for STREAMS. */ | |
| 1165 | return -1; | |
| 1166 | ||
| bf067910 UD |
1167 | case _SC_LEVEL1_ICACHE_SIZE: |
| 1168 | case _SC_LEVEL1_ICACHE_ASSOC: | |
| 1169 | case _SC_LEVEL1_ICACHE_LINESIZE: | |
| 1170 | case _SC_LEVEL1_DCACHE_SIZE: | |
| 1171 | case _SC_LEVEL1_DCACHE_ASSOC: | |
| 1172 | case _SC_LEVEL1_DCACHE_LINESIZE: | |
| 1173 | case _SC_LEVEL2_CACHE_SIZE: | |
| 1174 | case _SC_LEVEL2_CACHE_ASSOC: | |
| 1175 | case _SC_LEVEL2_CACHE_LINESIZE: | |
| 1176 | case _SC_LEVEL3_CACHE_SIZE: | |
| 1177 | case _SC_LEVEL3_CACHE_ASSOC: | |
| 1178 | case _SC_LEVEL3_CACHE_LINESIZE: | |
| 1179 | case _SC_LEVEL4_CACHE_SIZE: | |
| 1180 | case _SC_LEVEL4_CACHE_ASSOC: | |
| 5bb0c10a | 1181 | case _SC_LEVEL4_CACHE_LINESIZE: |
| bf067910 UD |
1182 | /* In general we cannot determine these values. Therefore we |
| 1183 | return zero which indicates that no information is | |
| 1184 | available. */ | |
| 1185 | return 0; | |
| 60e4523a UD |
1186 | |
| 1187 | case _SC_IPV6: | |
| 3b566046 | 1188 | #if CONF_IS_DEFINED_SET (_POSIX_IPV6) |
| 60e4523a UD |
1189 | return _POSIX_IPV6; |
| 1190 | #else | |
| 1191 | return -1; | |
| 1192 | #endif | |
| 1193 | ||
| 1194 | case _SC_RAW_SOCKETS: | |
| 3b566046 | 1195 | #if CONF_IS_DEFINED_SET (_POSIX_RAW_SOCKETS) |
| 60e4523a UD |
1196 | return _POSIX_RAW_SOCKETS; |
| 1197 | #else | |
| 1198 | return -1; | |
| 1199 | #endif | |
| 28f540f4 RM |
1200 | } |
| 1201 | } | |
| 1202 | ||
| e993e9cc | 1203 | #undef __sysconf |
| 28f540f4 | 1204 | weak_alias (__sysconf, sysconf) |
| a20d8dbe | 1205 | libc_hidden_def (__sysconf) |
| 28f367c4 | 1206 | |
| 77474ccd | 1207 | #if NEED_CHECK_SPEC |
| 28f367c4 UD |
1208 | static long int |
| 1209 | __sysconf_check_spec (const char *spec) | |
| 1210 | { | |
| 1211 | int save_errno = errno; | |
| 1212 | ||
| 84b3fd84 | 1213 | const char *getconf_dir = __libc_secure_getenv ("GETCONF_DIR") ?: GETCONF_DIR; |
| 28f367c4 UD |
1214 | size_t getconf_dirlen = strlen (getconf_dir); |
| 1215 | size_t speclen = strlen (spec); | |
| 1216 | ||
| 1f7d9693 | 1217 | char name[getconf_dirlen + sizeof ("/POSIX_V6_") + speclen]; |
| 28f367c4 | 1218 | memcpy (mempcpy (mempcpy (name, getconf_dir, getconf_dirlen), |
| 1f7d9693 | 1219 | "/POSIX_V6_", sizeof ("/POSIX_V6_") - 1), |
| 28f367c4 UD |
1220 | spec, speclen + 1); |
| 1221 | ||
| 1222 | struct stat64 st; | |
| 1223 | long int ret = __xstat64 (_STAT_VER, name, &st) >= 0 ? 1 : -1; | |
| 1224 | ||
| 1225 | __set_errno (save_errno); | |
| 1226 | return ret; | |
| 1227 | } | |
| 77474ccd | 1228 | #endif |