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- /* Copyright (C) 2004 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
- #include <errno.h>
- #include <pthread.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <unistd.h>
- #include <sys/time.h>
- static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
- static pthread_mutex_t mut = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
- static pthread_mutex_t mut2 = PTHREAD_MUTEX_INITIALIZER;
- static void *
- tf (void *p)
- {
- if (pthread_mutex_lock (&mut) != 0)
- {
- printf ("%s: 1st mutex_lock failed\n", __func__);
- exit (1);
- }
- if (pthread_mutex_lock (&mut) != 0)
- {
- printf ("%s: 2nd mutex_lock failed\n", __func__);
- exit (1);
- }
- if (pthread_mutex_lock (&mut) != 0)
- {
- printf ("%s: 3rd mutex_lock failed\n", __func__);
- exit (1);
- }
- if (pthread_mutex_unlock (&mut2) != 0)
- {
- printf ("%s: mutex_unlock failed\n", __func__);
- exit (1);
- }
- struct timeval tv;
- gettimeofday (&tv, NULL);
- struct timespec ts;
- TIMEVAL_TO_TIMESPEC (&tv, &ts);
- ts.tv_sec += p == NULL ? 100 : 1;
- int err = pthread_cond_timedwait (&cond, &mut, &ts);
- if ((err != 0 && p == NULL) || (err != ETIMEDOUT && p != NULL))
- {
- printf ("%s: cond_wait failed\n", __func__);
- exit (1);
- }
- if (pthread_mutex_unlock (&mut) != 0)
- {
- printf ("%s: 1st mutex_unlock failed\n", __func__);
- exit (1);
- }
- if (pthread_mutex_unlock (&mut) != 0)
- {
- printf ("%s: 2nd mutex_unlock failed\n", __func__);
- exit (1);
- }
- if (pthread_mutex_unlock (&mut) != 0)
- {
- printf ("%s: 3rd mutex_unlock failed\n", __func__);
- exit (1);
- }
- puts ("child: done");
- return NULL;
- }
- static int
- do_test (void)
- {
- if (pthread_mutex_lock (&mut2) != 0)
- {
- puts ("1st mutex_lock failed");
- return 1;
- }
- puts ("parent: create 1st child");
- pthread_t th;
- int err = pthread_create (&th, NULL, tf, NULL);
- if (err != 0)
- {
- printf ("parent: cannot 1st create thread: %s\n", strerror (err));
- return 1;
- }
- /* We have to synchronize with the child. */
- if (pthread_mutex_lock (&mut2) != 0)
- {
- puts ("2nd mutex_lock failed");
- return 1;
- }
- /* Give the child to reach to pthread_cond_wait. */
- sleep (1);
- if (pthread_cond_signal (&cond) != 0)
- {
- puts ("cond_signal failed");
- return 1;
- }
- err = pthread_join (th, NULL);
- if (err != 0)
- {
- printf ("parent: failed to join: %s\n", strerror (err));
- return 1;
- }
- puts ("parent: create 2nd child");
- err = pthread_create (&th, NULL, tf, (void *) 1l);
- if (err != 0)
- {
- printf ("parent: cannot 2nd create thread: %s\n", strerror (err));
- return 1;
- }
- err = pthread_join (th, NULL);
- if (err != 0)
- {
- printf ("parent: failed to join: %s\n", strerror (err));
- return 1;
- }
- puts ("done");
- return 0;
- }
- #define TEST_FUNCTION do_test ()
- #define TIMEOUT 6
- #include "../test-skeleton.c"
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