1  /* sem_clockwait -- wait on a semaphore with timeout using the specified
       2     clock.
       3  
       4     Copyright (C) 2019-2023 Free Software Foundation, Inc.
       5     This file is part of the GNU C Library.
       6  
       7     The GNU C Library is free software; you can redistribute it and/or
       8     modify it under the terms of the GNU Lesser General Public
       9     License as published by the Free Software Foundation; either
      10     version 2.1 of the License, or (at your option) any later version.
      11  
      12     The GNU C Library is distributed in the hope that it will be useful,
      13     but WITHOUT ANY WARRANTY; without even the implied warranty of
      14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
      15     Lesser General Public License for more details.
      16  
      17     You should have received a copy of the GNU Lesser General Public
      18     License along with the GNU C Library; if not, see
      19     <https://www.gnu.org/licenses/>.  */
      20  
      21  #include <time.h>
      22  #include "semaphoreP.h"
      23  #include "sem_waitcommon.c"
      24  
      25  int
      26  ___sem_clockwait64 (sem_t *sem, clockid_t clockid,
      27                     const struct __timespec64 *abstime)
      28  {
      29    /* Check that supplied clockid is one we support, even if we don't end up
      30       waiting.  */
      31    if (!futex_abstimed_supported_clockid (clockid))
      32      {
      33        __set_errno (EINVAL);
      34        return -1;
      35      }
      36  
      37    if (! valid_nanoseconds (abstime->tv_nsec))
      38      {
      39        __set_errno (EINVAL);
      40        return -1;
      41      }
      42  
      43    if (__new_sem_wait_fast ((struct new_sem *) sem, 0) == 0)
      44      return 0;
      45    else
      46      return __new_sem_wait_slow64 ((struct new_sem *) sem, clockid, abstime);
      47  }
      48  
      49  #if __TIMESIZE == 64
      50  strong_alias (___sem_clockwait64, ___sem_clockwait)
      51  #else /* __TIMESPEC64 != 64 */
      52  strong_alias (___sem_clockwait64, __sem_clockwait64)
      53  libc_hidden_def (__sem_clockwait64)
      54  
      55  int
      56  ___sem_clockwait (sem_t *sem, clockid_t clockid, const struct timespec *abstime)
      57  {
      58    struct __timespec64 ts64 = valid_timespec_to_timespec64 (*abstime);
      59  
      60    return __sem_clockwait64 (sem, clockid, &ts64);
      61  }
      62  #endif /* __TIMESPEC64 != 64 */
      63  versioned_symbol (libc, ___sem_clockwait, sem_clockwait, GLIBC_2_34);
      64  #if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_30, GLIBC_2_34)
      65  compat_symbol (libpthread, ___sem_clockwait, sem_clockwait, GLIBC_2_30);
      66  #endif