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54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
/* Copyright (C) 2004-2014 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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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <mqueue.h>
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#include <sysdep.h>
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#ifdef __NR_mq_unlink
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/* Remove message queue named NAME. */
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int
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mq_unlink (const char *name)
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{
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if (name[0] != '/')
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{
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__set_errno (EINVAL);
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return -1;
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}
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INTERNAL_SYSCALL_DECL (err);
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int ret = INTERNAL_SYSCALL (mq_unlink, err, 1, name + 1);
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/* While unlink can return either EPERM or EACCES, mq_unlink should
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return just EACCES. */
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if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (ret, err), 0))
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{
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ret = INTERNAL_SYSCALL_ERRNO (ret, err);
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if (ret == EPERM)
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ret = EACCES;
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__set_errno (ret);
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ret = -1;
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}
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return ret;
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}
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#else
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# include <rt/mq_unlink.c>
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#endif
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