sysdeps/unix/sysv/linux/mtx_timedlock.c

   1 /* C11 threads mutex timed lock implementation - Linux variant.
   2    Copyright (C) 2020-2023 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <time.h>
  20 #include <shlib-compat.h>
  21 #include "thrd_priv.h"
  22
  23 int
  24 __mtx_timedlock64 (mtx_t *restrict mutex,
  25                    const struct __timespec64 *restrict time_point)
  26 {
  27   int err_code = __pthread_mutex_timedlock64 ((pthread_mutex_t *)mutex,
  28                                               time_point);
  29   return thrd_err_map (err_code);
  30 }
  31
  32 #if __TIMESIZE == 64
  33 strong_alias (__mtx_timedlock64, ___mtx_timedlock)
  34 #else
  35 libc_hidden_def (__mtx_timedlock64)
  36
  37 int
  38 ___mtx_timedlock (mtx_t *restrict mutex,
  39                   const struct timespec *restrict time_point)
  40 {
  41   struct __timespec64 ts64 = valid_timespec_to_timespec64 (*time_point);
  42
  43   return __mtx_timedlock64 (mutex, &ts64);
  44 }
  45 #endif /* __TIMESIZE == 64 */
  46 versioned_symbol (libc, ___mtx_timedlock, mtx_timedlock, GLIBC_2_34);
  47
  48 #if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_28, GLIBC_2_34)
  49 compat_symbol (libpthread, ___mtx_timedlock, mtx_timedlock, GLIBC_2_28);
  50 #endif