| /* Copyright (C) 2003, 2004 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. |
| |
| 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, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include <error.h> |
| #include <pthread.h> |
| #include <stdbool.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| |
| #define N 10 |
| #define ROUNDS 100 |
| |
| static pthread_cond_t cond = PTHREAD_COND_INITIALIZER; |
| static pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER; |
| static pthread_barrier_t bN1; |
| static pthread_barrier_t b2; |
| |
| |
| static void * |
| tf (void *p) |
| { |
| if (pthread_mutex_lock (&mut) != 0) |
| { |
| puts ("child: 1st mutex_lock failed"); |
| exit (1); |
| } |
| |
| int e = pthread_barrier_wait (&b2); |
| if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) |
| { |
| puts ("child: 1st barrier_wait failed"); |
| exit (1); |
| } |
| |
| if (pthread_cond_wait (&cond, &mut) != 0) |
| { |
| puts ("child: cond_wait failed"); |
| exit (1); |
| } |
| |
| if (pthread_mutex_unlock (&mut) != 0) |
| { |
| puts ("child: mutex_unlock failed"); |
| exit (1); |
| } |
| |
| e = pthread_barrier_wait (&bN1); |
| if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) |
| { |
| puts ("child: 2nd barrier_wait failed"); |
| exit (1); |
| } |
| |
| return NULL; |
| } |
| |
| |
| static int |
| do_test (void) |
| { |
| if (pthread_barrier_init (&bN1, NULL, N + 1) != 0) |
| { |
| puts ("barrier_init failed"); |
| exit (1); |
| } |
| |
| if (pthread_barrier_init (&b2, NULL, 2) != 0) |
| { |
| puts ("barrier_init failed"); |
| exit (1); |
| } |
| |
| pthread_attr_t at; |
| |
| if (pthread_attr_init (&at) != 0) |
| { |
| puts ("attr_init failed"); |
| return 1; |
| } |
| |
| if (pthread_attr_setstacksize (&at, 1 * 1024 * 1024) != 0) |
| { |
| puts ("attr_setstacksize failed"); |
| return 1; |
| } |
| |
| int r; |
| for (r = 0; r < ROUNDS; ++r) |
| { |
| printf ("round %d\n", r + 1); |
| |
| int i; |
| pthread_t th[N]; |
| for (i = 0; i < N; ++i) |
| { |
| if (pthread_create (&th[i], &at, tf, NULL) != 0) |
| { |
| puts ("create failed"); |
| exit (1); |
| } |
| |
| int e = pthread_barrier_wait (&b2); |
| if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) |
| { |
| puts ("parent: 1st barrier_wait failed"); |
| exit (1); |
| } |
| } |
| |
| if (pthread_mutex_lock (&mut) != 0) |
| { |
| puts ("parent: mutex_lock failed"); |
| exit (1); |
| } |
| if (pthread_mutex_unlock (&mut) != 0) |
| { |
| puts ("parent: mutex_unlock failed"); |
| exit (1); |
| } |
| |
| /* N single signal calls. Without locking. This tests that no |
| signal gets lost. */ |
| for (i = 0; i < N; ++i) |
| if (pthread_cond_signal (&cond) != 0) |
| { |
| puts ("cond_signal failed"); |
| exit (1); |
| } |
| |
| int e = pthread_barrier_wait (&bN1); |
| if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) |
| { |
| puts ("parent: 2nd barrier_wait failed"); |
| exit (1); |
| } |
| |
| for (i = 0; i < N; ++i) |
| if (pthread_join (th[i], NULL) != 0) |
| { |
| puts ("join failed"); |
| exit (1); |
| } |
| } |
| |
| if (pthread_attr_destroy (&at) != 0) |
| { |
| puts ("attr_destroy failed"); |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| |
| #define TEST_FUNCTION do_test () |
| #include "../test-skeleton.c" |