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/* Copyright (C) 2004-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <mqueue.h>
#include <sysdep.h>
#ifdef __NR_mq_unlink
/* Remove message queue named NAME. */
int
mq_unlink (const char *name)
{
if (name[0] != '/')
{
__set_errno (EINVAL);
return -1;
}
INTERNAL_SYSCALL_DECL (err);
int ret = INTERNAL_SYSCALL (mq_unlink, err, 1, name + 1);
/* While unlink can return either EPERM or EACCES, mq_unlink should
return just EACCES. */
if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (ret, err), 0))
{
ret = INTERNAL_SYSCALL_ERRNO (ret, err);
if (ret == EPERM)
ret = EACCES;
__set_errno (ret);
ret = -1;
}
return ret;
}
#else
# include <rt/mq_unlink.c>
#endif
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