sysdeps/pthread/mtx_trylock.c

   1 /* C11 threads mutex try lock implementation.
   2    Copyright (C) 2018-2024 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 <shlib-compat.h>
  20 #include "thrd_priv.h"
  21
  22 int
  23 __mtx_trylock (mtx_t *mutex)
  24 {
  25   int err_code = __pthread_mutex_trylock ((pthread_mutex_t *) mutex);
  26   return thrd_err_map (err_code);
  27 }
  28 #if PTHREAD_IN_LIBC
  29 versioned_symbol (libc, __mtx_trylock, mtx_trylock, GLIBC_2_34);
  30 # if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_28, GLIBC_2_34)
  31 compat_symbol (libpthread, __mtx_trylock, mtx_trylock, GLIBC_2_28);
  32 # endif
  33 #else /* !PTHREAD_IN_LIBC */
  34 strong_alias (__mtx_trylock, mtx_trylock)
  35 #endif