| 1 | /* sem_clockwait -- wait on a semaphore with timeout using the specified |
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| 2 | clock. |
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| 3 | |
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| 4 | Copyright (C) 2019-2022 Free Software Foundation, Inc. |
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| 5 | This file is part of the GNU C Library. |
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| 6 | |
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| 7 | The GNU C Library is free software; you can redistribute it and/or |
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| 8 | modify it under the terms of the GNU Lesser General Public |
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| 9 | License as published by the Free Software Foundation; either |
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| 10 | version 2.1 of the License, or (at your option) any later version. |
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| 11 | |
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| 12 | The GNU C Library is distributed in the hope that it will be useful, |
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 15 | Lesser General Public License for more details. |
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| 16 | |
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| 17 | You should have received a copy of the GNU Lesser General Public |
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| 18 | License along with the GNU C Library; if not, see |
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| 19 | <https://www.gnu.org/licenses/>. */ |
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| 20 | |
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| 21 | #include <time.h> |
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| 22 | #include "semaphoreP.h" |
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| 23 | #include "sem_waitcommon.c" |
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| 24 | |
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| 25 | int |
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| 26 | ___sem_clockwait64 (sem_t *sem, clockid_t clockid, |
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| 27 | const struct __timespec64 *abstime) |
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| 28 | { |
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| 29 | /* Check that supplied clockid is one we support, even if we don't end up |
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| 30 | waiting. */ |
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| 31 | if (!futex_abstimed_supported_clockid (clockid)) |
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| 32 | { |
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| 33 | __set_errno (EINVAL); |
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| 34 | return -1; |
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| 35 | } |
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| 36 | |
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| 37 | if (! valid_nanoseconds (ns: abstime->tv_nsec)) |
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| 38 | { |
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| 39 | __set_errno (EINVAL); |
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| 40 | return -1; |
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| 41 | } |
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| 42 | |
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| 43 | if (__new_sem_wait_fast (sem: (struct new_sem *) sem, definitive_result: 0) == 0) |
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| 44 | return 0; |
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| 45 | else |
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| 46 | return __new_sem_wait_slow64 (sem: (struct new_sem *) sem, clockid, abstime); |
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| 47 | } |
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| 48 | |
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| 49 | #if __TIMESIZE == 64 |
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| 50 | strong_alias (___sem_clockwait64, ___sem_clockwait) |
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| 51 | #else /* __TIMESPEC64 != 64 */ |
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| 52 | strong_alias (___sem_clockwait64, __sem_clockwait64) |
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| 53 | libc_hidden_def (__sem_clockwait64) |
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| 54 | |
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| 55 | int |
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| 56 | ___sem_clockwait (sem_t *sem, clockid_t clockid, const struct timespec *abstime) |
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| 57 | { |
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| 58 | struct __timespec64 ts64 = valid_timespec_to_timespec64 (*abstime); |
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| 59 | |
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| 60 | return __sem_clockwait64 (sem, clockid, &ts64); |
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| 61 | } |
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| 62 | #endif /* __TIMESPEC64 != 64 */ |
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| 63 | versioned_symbol (libc, ___sem_clockwait, sem_clockwait, GLIBC_2_34); |
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| 64 | #if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_30, GLIBC_2_34) |
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| 65 | compat_symbol (libpthread, ___sem_clockwait, sem_clockwait, GLIBC_2_30); |
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| 66 | #endif |
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| 67 | |
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