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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 <semaphore.h>
21#include <signal.h>
22#include <stdio.h>
23#include <unistd.h>
24
25
26static void
27handler (int sig)
28{
29 struct sigaction sa;
30
31 sa.sa_handler = SIG_DFL;
32 sa.sa_flags = 0;
33 sigemptyset (&sa.sa_mask);
34
35 sigaction (SIGALRM, &sa, NULL);
36
37 /* Rearm the timer. */
38 alarm (1);
39}
40
41
42static int
43do_test (void)
44{
45 sem_t s;
46 struct sigaction sa;
47
48 sa.sa_handler = handler;
49 sa.sa_flags = 0;
50 sigemptyset (&sa.sa_mask);
51
52 sigaction (SIGALRM, &sa, NULL);
53
54 if (sem_init (&s, 0, 0) == -1)
55 {
56 puts ("init failed");
57 return 1;
58 }
59
60 /* Set an alarm for 1 second. The wrapper will expect this. */
61 alarm (1);
62
63 int res = sem_wait (&s);
64 if (res == 0)
65 {
66 puts ("wait succeeded");
67 return 1;
68 }
69 if (res != -1 || errno != EINTR)
70 {
71 puts ("wait didn't fail with EINTR");
72 return 1;
73 }
74
75 return 0;
76}
77
78#define TEST_FUNCTION do_test ()
79#include "../test-skeleton.c"
80

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