Permalink
Cannot retrieve contributors at this time
Name already in use
A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
glibc/nptl/tst-cond10.c
Go to fileThis commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
172 lines (141 sloc)
3.64 KB
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/* Copyright (C) 2003-2016 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, see | |
<http://www.gnu.org/licenses/>. */ | |
#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" |