1/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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 <errno.h>
20#include <semaphore.h>
21#include <stdlib.h>
22#include <string.h>
23#include <unistd.h>
24#include "semaphoreP.h"
25#include <shm-directory.h>
26
27int
28sem_unlink (const char *name)
29{
30 /* Construct the filename. */
31 SHM_GET_NAME (ENOENT, -1, SEM_SHM_PREFIX);
32
33 /* Now try removing it. */
34 int ret = unlink (shm_name);
35 if (ret < 0 && errno == EPERM)
36 __set_errno (EACCES);
37 return ret;
38}
39