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[glibc/history.git] / nptl / tst-sem6.c
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1 /* Copyright (C) 2003 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
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.
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.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #include <errno.h>
21 #include <semaphore.h>
22 #include <signal.h>
23 #include <stdio.h>
24 #include <unistd.h>
27 static void
28 handler (int sig)
30 struct sigaction sa;
32 sa.sa_handler = SIG_DFL;
33 sa.sa_flags = 0;
34 sigemptyset (&sa.sa_mask);
36 sigaction (SIGALRM, &sa, NULL);
38 /* Rearm the timer. */
39 alarm (1);
43 static int
44 do_test (void)
46 sem_t s;
47 struct sigaction sa;
49 sa.sa_handler = handler;
50 sa.sa_flags = 0;
51 sigemptyset (&sa.sa_mask);
53 sigaction (SIGALRM, &sa, NULL);
55 if (sem_init (&s, 0, 0) == -1)
57 puts ("init failed");
58 return 1;
61 /* Set an alarm for 1 second. The wrapper will expect this. */
62 alarm (1);
64 int res = sem_wait (&s);
65 if (res == 0)
67 puts ("wait succeeded");
68 return 1;
70 if (res != -1 || errno != EINTR)
72 puts ("wait didn't fail with EINTR");
73 return 1;
76 return 0;
79 #define TIMEOUT 3
80 #define TEST_FUNCTION do_test ()
81 #include "../test-skeleton.c"