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glibc/nptl/tst-cond7.c
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/* Copyright (C) 2003-2016 Free Software Foundation, Inc. | |
This file is part of the GNU C Library. | |
Contributed by Jakub Jelinek <jakub@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 <errno.h> | |
#include <pthread.h> | |
#include <stdbool.h> | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <string.h> | |
#include <time.h> | |
#include <sys/time.h> | |
typedef struct | |
{ | |
pthread_cond_t cond; | |
pthread_mutex_t lock; | |
pthread_t h; | |
} T; | |
static volatile bool done; | |
static void * | |
tf (void *arg) | |
{ | |
puts ("child created"); | |
if (pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, NULL) != 0 | |
|| pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, NULL) != 0) | |
{ | |
puts ("cannot set cancellation options"); | |
exit (1); | |
} | |
T *t = (T *) arg; | |
if (pthread_mutex_lock (&t->lock) != 0) | |
{ | |
puts ("child: lock failed"); | |
exit (1); | |
} | |
done = true; | |
if (pthread_cond_signal (&t->cond) != 0) | |
{ | |
puts ("child: cond_signal failed"); | |
exit (1); | |
} | |
if (pthread_cond_wait (&t->cond, &t->lock) != 0) | |
{ | |
puts ("child: cond_wait failed"); | |
exit (1); | |
} | |
if (pthread_mutex_unlock (&t->lock) != 0) | |
{ | |
puts ("child: unlock failed"); | |
exit (1); | |
} | |
return NULL; | |
} | |
static int | |
do_test (void) | |
{ | |
int i; | |
#define N 100 | |
T *t[N]; | |
for (i = 0; i < N; ++i) | |
{ | |
printf ("round %d\n", i); | |
t[i] = (T *) malloc (sizeof (T)); | |
if (t[i] == NULL) | |
{ | |
puts ("out of memory"); | |
exit (1); | |
} | |
if (pthread_mutex_init (&t[i]->lock, NULL) != 0 | |
|| pthread_cond_init (&t[i]->cond, NULL) != 0) | |
{ | |
puts ("an _init function failed"); | |
exit (1); | |
} | |
if (pthread_mutex_lock (&t[i]->lock) != 0) | |
{ | |
puts ("initial mutex_lock failed"); | |
exit (1); | |
} | |
done = false; | |
if (pthread_create (&t[i]->h, NULL, tf, t[i]) != 0) | |
{ | |
puts ("pthread_create failed"); | |
exit (1); | |
} | |
do | |
if (pthread_cond_wait (&t[i]->cond, &t[i]->lock) != 0) | |
{ | |
puts ("cond_wait failed"); | |
exit (1); | |
} | |
while (! done); | |
/* Release the lock since the cancel handler will get it. */ | |
if (pthread_mutex_unlock (&t[i]->lock) != 0) | |
{ | |
puts ("mutex_unlock failed"); | |
exit (1); | |
} | |
if (pthread_cancel (t[i]->h) != 0) | |
{ | |
puts ("cancel failed"); | |
exit (1); | |
} | |
puts ("parent: joining now"); | |
void *result; | |
if (pthread_join (t[i]->h, &result) != 0) | |
{ | |
puts ("join failed"); | |
exit (1); | |
} | |
if (result != PTHREAD_CANCELED) | |
{ | |
puts ("result != PTHREAD_CANCELED"); | |
exit (1); | |
} | |
} | |
for (i = 0; i < N; ++i) | |
free (t[i]); | |
return 0; | |
} | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" |