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1/* Copyright (C) 2003-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
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 <http://www.gnu.org/licenses/>. */
18
19#include <errno.h>
20#include <fcntl.h>
21#include <semaphore.h>
22#include <stdio.h>
23#include <stdlib.h>
24#include <unistd.h>
25
26
27static void
28remove_sem (int status, void *arg)
29{
30 sem_unlink (arg);
31}
32
33
34static int
35do_test (void)
36{
37 sem_t *s;
38 int i;
39
40 on_exit (remove_sem, (void *) "/glibc-tst-sem9");
41
42 for (i = 0; i < 3; ++i)
43 {
44 s = sem_open ("/glibc-tst-sem9", O_CREAT, 0600, 1);
45 if (s == SEM_FAILED)
46 {
47 if (errno == ENOSYS)
48 {
49 puts ("sem_open not supported. Oh well.");
50 return 0;
51 }
52
53 /* Maybe the shm filesystem has strict permissions. */
54 if (errno == EACCES)
55 {
56 puts ("sem_open not allowed. Oh well.");
57 return 0;
58 }
59
60 printf ("sem_open: %m\n");
61 return 1;
62 }
63
64 /* Now close the handle. */
65 if (sem_close (s) != 0)
66 {
67 puts ("sem_close failed");
68 return 1;
69 }
70
71 /* And remove it. */
72 if (sem_unlink ("/glibc-tst-sem9") != 0)
73 {
74 puts ("sem_unlink failed");
75 return 1;
76 }
77 }
78
79 return 0;
80}
81
82#define TEST_FUNCTION do_test ()
83#include "../test-skeleton.c"
84

Warning: That file was not part of the compilation database. It may have many parsing errors.