sortix-mirror/regress/test-pthread-once.c

61 lines
1.6 KiB
C

/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2014.
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
This program 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 General Public License for
more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
test-pthread-once.c
Tests whether basic pthread_once() support works.
*******************************************************************************/
#include <pthread.h>
#include "test.h"
static int init_counter = 0;
static pthread_once_t init_counter_once = PTHREAD_ONCE_INIT;
void init_counter_increase(void)
{
init_counter++;
}
void* thread_routine(void* ctx)
{
(void) ctx;
pthread_once(&init_counter_once, init_counter_increase);
return NULL;
}
int main(void)
{
int errnum;
pthread_once(&init_counter_once, init_counter_increase);
pthread_t thread;
if ( (errnum = pthread_create(&thread, NULL, &thread_routine, NULL)) )
test_error(errnum, "pthread_create");
if ( (errnum = pthread_join(thread, NULL)) )
test_error(errnum, "pthread_join");
test_assert(init_counter == 1);
return 0;
}