1 /* C11 threads mutex try lock implementation.
2 Copyright (C) 2018-2022 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
__mtx_trylock(mtx_t * mutex)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
36