88 lines
2.2 KiB
C
88 lines
2.2 KiB
C
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/* Copyright (C) 2003-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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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<https://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 <support/check.h>
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#include <support/timespec.h>
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#include <support/xtime.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 = timespec_add (xclock_now (CLOCK_REALTIME),
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make_timespec (10000, 0));
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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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TEST_COMPARE (pthread_mutex_lock (&m2), 0);
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TEST_COMPARE (pthread_mutex_unlock (&m2), 0);
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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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return NULL;
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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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TEST_COMPARE (pthread_mutex_lock (&m1), 0);
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setup_eintr (SIGUSR1, NULL);
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char buf[100];
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xpthread_create (NULL, tf1, NULL);
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xpthread_create (NULL, tf2, NULL);
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delayed_exit (3);
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/* This call must never return. */
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int 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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#include <support/test-driver.c>
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