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118 lines
2.7 KiB
C
118 lines
2.7 KiB
C
/* Copyright (C) 2003-2014 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 <string.h>
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#include <sys/time.h>
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#include "eintr.c"
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static pthread_mutex_t m1 = PTHREAD_MUTEX_INITIALIZER;
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static pthread_mutex_t m2 = PTHREAD_MUTEX_INITIALIZER;
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static void *
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tf1 (void *arg)
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{
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struct timespec ts;
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struct timeval tv;
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gettimeofday (&tv, NULL);
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TIMEVAL_TO_TIMESPEC (&tv, &ts);
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ts.tv_sec += 10000;
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/* This call must never return. */
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int e = pthread_mutex_timedlock (&m1, &ts);
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char buf[100];
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printf ("tf1: mutex_timedlock returned: %s\n",
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strerror_r (e, buf, sizeof (buf)));
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exit (1);
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}
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static void *
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tf2 (void *arg)
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{
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while (1)
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{
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int e = pthread_mutex_lock (&m2);
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if (e != 0)
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{
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puts ("tf2: mutex_lock failed");
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exit (1);
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}
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e = pthread_mutex_unlock (&m2);
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if (e != 0)
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{
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puts ("tf2: mutex_unlock failed");
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exit (1);
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}
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struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 };
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nanosleep (&ts, NULL);
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}
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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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if (pthread_mutex_lock (&m1) != 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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setup_eintr (SIGUSR1, NULL);
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pthread_t th;
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char buf[100];
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int e = pthread_create (&th, NULL, tf1, NULL);
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if (e != 0)
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{
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printf ("main: 1st pthread_create failed: %s\n",
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strerror_r (e, buf, sizeof (buf)));
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exit (1);
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}
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e = pthread_create (&th, NULL, tf2, NULL);
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if (e != 0)
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{
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printf ("main: 2nd pthread_create failed: %s\n",
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strerror_r (e, buf, sizeof (buf)));
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exit (1);
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}
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/* This call must never return. */
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e = pthread_mutex_lock (&m1);
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printf ("main: mutex_lock returned: %s\n",
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strerror_r (e, buf, sizeof (buf)));
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return 1;
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}
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#define EXPECTED_SIGNAL SIGALRM
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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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