1/* shm_unlink -- remove a POSIX shared memory object. Generic POSIX version.
2 Copyright (C) 2001-2020 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <unistd.h>
20
21#if ! _POSIX_MAPPED_FILES
22#include <rt/shm_unlink.c>
23
24#else
25
26#include <errno.h>
27#include <string.h>
28#include "shm-directory.h"
29
30
31/* Remove shared memory object. */
32int
33shm_unlink (const char *name)
34{
35 SHM_GET_NAME (ENOENT, -1, "");
36
37 int result = unlink (shm_name);
38 if (result < 0 && errno == EPERM)
39 __set_errno (EACCES);
40 return result;
41}
42
43#endif
44