glibc/sysdeps/posix/shm_unlink.c

44 lines
1.2 KiB
C

/* shm_unlink -- remove a POSIX shared memory object. Generic POSIX version.
Copyright (C) 2001-2016 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 <unistd.h>
#if ! _POSIX_MAPPED_FILES
#include <rt/shm_unlink.c>
#else
#include <errno.h>
#include <string.h>
#include "shm-directory.h"
/* Remove shared memory object. */
int
shm_unlink (const char *name)
{
SHM_GET_NAME (ENOENT, -1, "");
int result = unlink (shm_name);
if (result < 0 && errno == EPERM)
__set_errno (EACCES);
return result;
}
#endif