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55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
/* Copyright (C) 2002-2024 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <semaphore.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "semaphoreP.h"
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#include <shm-directory.h>
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#if !PTHREAD_IN_LIBC
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/* The private name is not exported from libc. */
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# define __unlink unlink
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#endif
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int
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__sem_unlink (const char *name)
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{
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struct shmdir_name dirname;
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if (__shm_get_name (&dirname, name, true) != 0)
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{
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__set_errno (ENOENT);
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return -1;
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}
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/* Now try removing it. */
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int ret = __unlink (dirname.name);
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if (ret < 0 && errno == EPERM)
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__set_errno (EACCES);
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return ret;
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}
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#if PTHREAD_IN_LIBC
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versioned_symbol (libc, __sem_unlink, sem_unlink, GLIBC_2_34);
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# if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_1_1, GLIBC_2_34)
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compat_symbol (libpthread, __sem_unlink, sem_unlink, GLIBC_2_1_1);
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# endif
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#else /* !PTHREAD_IN_LIBC */
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strong_alias (__sem_unlink, sem_unlink)
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#endif
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