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81 lines
1.8 KiB
C
81 lines
1.8 KiB
C
/* Copyright (C) 2003-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <semaphore.h>
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#include <signal.h>
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#include <stdio.h>
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#include <unistd.h>
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static void
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handler (int sig)
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{
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struct sigaction sa;
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sa.sa_handler = SIG_DFL;
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sa.sa_flags = 0;
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sigemptyset (&sa.sa_mask);
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sigaction (SIGALRM, &sa, NULL);
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/* Rearm the timer. */
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alarm (1);
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}
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static int
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do_test (void)
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{
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sem_t s;
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struct sigaction sa;
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sa.sa_handler = handler;
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sa.sa_flags = 0;
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sigemptyset (&sa.sa_mask);
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sigaction (SIGALRM, &sa, NULL);
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if (sem_init (&s, 0, 0) == -1)
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{
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puts ("init failed");
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return 1;
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}
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/* Set an alarm for 1 second. The wrapper will expect this. */
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alarm (1);
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int res = sem_wait (&s);
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if (res == 0)
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{
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puts ("wait succeeded");
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return 1;
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}
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if (res != -1 || errno != EINTR)
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{
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puts ("wait didn't fail with EINTR");
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return 1;
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}
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return 0;
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}
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#define TIMEOUT 3
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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