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139 lines
3.0 KiB
C
139 lines
3.0 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 <pthread.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/time.h>
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static pthread_cond_t c = PTHREAD_COND_INITIALIZER;
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static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
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static pthread_barrier_t b;
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static void *
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tf (void *a)
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{
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/* Block SIGUSR1. */
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sigset_t ss;
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sigemptyset (&ss);
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sigaddset (&ss, SIGUSR1);
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if (pthread_sigmask (SIG_BLOCK, &ss, NULL) != 0)
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{
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puts ("child: sigmask failed");
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exit (1);
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}
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if (pthread_mutex_lock (&m) != 0)
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{
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puts ("child: mutex_lock failed");
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exit (1);
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}
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int e = pthread_barrier_wait (&b);
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if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
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{
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puts ("child: barrier_wait failed");
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exit (1);
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}
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/* Compute timeout. */
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struct timeval tv;
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(void) gettimeofday (&tv, NULL);
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struct timespec ts;
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TIMEVAL_TO_TIMESPEC (&tv, &ts);
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/* Timeout: 1sec. */
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ts.tv_sec += 1;
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/* This call should never return. */
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if (pthread_cond_timedwait (&c, &m, &ts) != ETIMEDOUT)
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{
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puts ("cond_timedwait didn't time out");
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exit (1);
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}
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return NULL;
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}
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int
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do_test (void)
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{
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pthread_t th;
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if (pthread_barrier_init (&b, NULL, 2) != 0)
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{
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puts ("barrier_init failed");
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exit (1);
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}
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if (pthread_create (&th, NULL, tf, NULL) != 0)
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{
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puts ("create failed");
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exit (1);
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}
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int e = pthread_barrier_wait (&b);
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if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
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{
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puts ("barrier_wait failed");
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exit (1);
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}
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if (pthread_mutex_lock (&m) != 0)
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{
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puts ("mutex_lock failed");
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exit (1);
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}
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/* Send the thread a signal which it has blocked. */
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if (pthread_kill (th, SIGUSR1) != 0)
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{
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puts ("kill failed");
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exit (1);
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}
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if (pthread_mutex_unlock (&m) != 0)
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{
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puts ("mutex_unlock failed");
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exit (1);
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}
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void *r;
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if (pthread_join (th, &r) != 0)
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{
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puts ("join failed");
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exit (1);
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}
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if (r != NULL)
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{
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puts ("return value wrong");
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exit (1);
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}
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return 0;
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}
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#define TIMEOUT 5
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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