| 1 | /* sem_timedwait -- wait on a semaphore with timeout. |
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| 2 | Copyright (C) 2003-2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #include <time.h> |
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| 20 | #include "semaphoreP.h" |
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| 21 | #include "sem_waitcommon.c" |
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| 22 | |
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| 23 | /* This is in a separate file because because sem_timedwait is only provided |
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| 24 | if __USE_XOPEN2K is defined. */ |
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| 25 | int |
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| 26 | ___sem_timedwait64 (sem_t *sem, const struct __timespec64 *abstime) |
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| 27 | { |
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| 28 | if (! valid_nanoseconds (ns: abstime->tv_nsec)) |
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| 29 | { |
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| 30 | __set_errno (EINVAL); |
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| 31 | return -1; |
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| 32 | } |
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| 33 | |
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| 34 | /* Check sem_wait.c for a more detailed explanation why it is required. */ |
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| 35 | __pthread_testcancel (); |
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| 36 | |
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| 37 | if (__new_sem_wait_fast (sem: (struct new_sem *) sem, definitive_result: 0) == 0) |
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| 38 | return 0; |
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| 39 | else |
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| 40 | return __new_sem_wait_slow64 (sem: (struct new_sem *) sem, |
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| 41 | CLOCK_REALTIME, abstime); |
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| 42 | } |
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| 43 | |
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| 44 | #if __TIMESIZE == 64 |
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| 45 | strong_alias (___sem_timedwait64, ___sem_timedwait) |
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| 46 | #else /* __TIMESPEC64 != 64 */ |
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| 47 | strong_alias (___sem_timedwait64, __sem_timedwait64) |
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| 48 | libc_hidden_def (__sem_timedwait64) |
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| 49 | |
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| 50 | int |
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| 51 | ___sem_timedwait (sem_t *sem, const struct timespec *abstime) |
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| 52 | { |
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| 53 | struct __timespec64 ts64 = valid_timespec_to_timespec64 (*abstime); |
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| 54 | |
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| 55 | return __sem_timedwait64 (sem, &ts64); |
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| 56 | } |
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| 57 | #endif /* __TIMESPEC64 != 64 */ |
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| 58 | versioned_symbol (libc, ___sem_timedwait, sem_timedwait, GLIBC_2_34); |
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| 59 | #if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_2, GLIBC_2_34) |
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| 60 | compat_symbol (libpthread, ___sem_timedwait, sem_timedwait, GLIBC_2_2); |
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| 61 | #endif |
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| 62 | |
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