1 /* Copyright (C) 2002-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #include <errno.h>
19 #include "semaphoreP.h"
20 #include <sem_routines.h>
21
22 int
__sem_close(sem_t * sem)23 __sem_close (sem_t *sem)
24 {
25 if (!__sem_remove_mapping (sem))
26 {
27 __set_errno (EINVAL);
28 return -1;
29 }
30
31 return 0;
32 }
33 #if PTHREAD_IN_LIBC
34 versioned_symbol (libc, __sem_close, sem_close, GLIBC_2_34);
35 # if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_1_1, GLIBC_2_34)
36 compat_symbol (libpthread, __sem_close, sem_close, GLIBC_2_1_1);
37 # endif
38 #else /* !PTHREAD_IN_LIBC */
39 strong_alias (__sem_close, sem_close)
40 #endif
41