#include <assert.h>
#include <pthread.h>
#include <stdlib.h>

unsigned long data[2];

void *thread0(void *arg)
{
	data[0] = 1;
	return NULL;
}

void *thread1(void *arg)
{
	data[1] = 1;
	return NULL;
}

int main(int argc, char *argv[])
{
	pthread_t t0;
	pthread_t t1;

	if (pthread_create(&t0, NULL, thread0, NULL))
		abort();
	if (pthread_create(&t1, NULL, thread1, NULL))
		abort();
	if (pthread_join(t0, NULL))
		abort();
	if (pthread_join(t1, NULL))
		abort();

	assert(data[0] == 1);
	assert(data[1] == 1);

	return 0;
}