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221dc560 1/* shm_unlink -- remove a POSIX shared memory object. Generic POSIX version.
04277e02 2 Copyright (C) 2001-2019 Free Software Foundation, Inc.
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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
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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.
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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
41bdb6e2 13 Lesser General Public License for more details.
221dc560 14
41bdb6e2 15 You should have received a copy of the GNU Lesser General Public
59ba27a6 16 License along with the GNU C Library; if not, see
5a82c748 17 <https://www.gnu.org/licenses/>. */
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18
19#include <unistd.h>
20
21#if ! _POSIX_MAPPED_FILES
2826ac7e 22#include <rt/shm_unlink.c>
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23
24#else
25
26#include <errno.h>
221dc560 27#include <string.h>
78e21c5d 28#include "shm-directory.h"
221dc560 29
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30
31/* Remove shared memory object. */
32int
33shm_unlink (const char *name)
34{
e4f639e4 35 SHM_GET_NAME (ENOENT, -1, "");
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36
37 int result = unlink (shm_name);
38 if (result < 0 && errno == EPERM)
39 __set_errno (EACCES);
40 return result;
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41}
42
43#endif