173 lines
3.6 KiB
C
173 lines
3.6 KiB
C
/* Copyright (C) 2003-2015 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 <error.h>
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#include <pthread.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#define N 10
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#define ROUNDS 100
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static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
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static pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER;
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static pthread_barrier_t bN1;
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static pthread_barrier_t b2;
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static void *
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tf (void *p)
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{
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if (pthread_mutex_lock (&mut) != 0)
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{
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puts ("child: 1st mutex_lock failed");
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exit (1);
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}
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int e = pthread_barrier_wait (&b2);
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if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
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{
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puts ("child: 1st barrier_wait failed");
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exit (1);
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}
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if (pthread_cond_wait (&cond, &mut) != 0)
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{
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puts ("child: cond_wait failed");
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exit (1);
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}
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if (pthread_mutex_unlock (&mut) != 0)
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{
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puts ("child: mutex_unlock failed");
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exit (1);
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}
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e = pthread_barrier_wait (&bN1);
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if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
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{
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puts ("child: 2nd barrier_wait failed");
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exit (1);
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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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if (pthread_barrier_init (&bN1, NULL, N + 1) != 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_barrier_init (&b2, 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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pthread_attr_t at;
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if (pthread_attr_init (&at) != 0)
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{
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puts ("attr_init failed");
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return 1;
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}
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if (pthread_attr_setstacksize (&at, 1 * 1024 * 1024) != 0)
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{
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puts ("attr_setstacksize failed");
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return 1;
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}
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int r;
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for (r = 0; r < ROUNDS; ++r)
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{
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printf ("round %d\n", r + 1);
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int i;
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pthread_t th[N];
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for (i = 0; i < N; ++i)
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{
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if (pthread_create (&th[i], &at, 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 (&b2);
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if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
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{
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puts ("parent: 1st barrier_wait failed");
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exit (1);
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}
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}
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if (pthread_mutex_lock (&mut) != 0)
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{
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puts ("parent: mutex_lock failed");
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exit (1);
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}
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if (pthread_mutex_unlock (&mut) != 0)
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{
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puts ("parent: mutex_unlock failed");
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exit (1);
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}
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/* N single signal calls. Without locking. This tests that no
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signal gets lost. */
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for (i = 0; i < N; ++i)
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if (pthread_cond_signal (&cond) != 0)
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{
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puts ("cond_signal failed");
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exit (1);
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}
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int e = pthread_barrier_wait (&bN1);
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if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
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{
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puts ("parent: 2nd barrier_wait failed");
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exit (1);
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}
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for (i = 0; i < N; ++i)
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if (pthread_join (th[i], NULL) != 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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}
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if (pthread_attr_destroy (&at) != 0)
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{
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puts ("attr_destroy failed");
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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 TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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