#include <pthread.h>
#include <err.h>

#define TEST_JOIN

int done;

void *thr_routine(void *a)
{
	char *p = malloc(2048);
	int i;

	for (i = 0; i < 2048; ++i)
		p[i] = i % 256;
	free(p);
#ifndef TEST_JOIN
	pthread_detach(pthread_self());
#endif
	return (0);
}

void *create_thr(void *a)
{
	pthread_t threads[100];
	int i, ret;

	while (!done) {
		for (i = 0; i < 100; ++i) {
			if ((ret = pthread_create(&threads[i], 0, thr_routine, NULL)) != 0)
				errc(1, ret, "pthread_create");
		}

#ifndef TEST_JOIN
		sleep(2);
#else
		for (i = 0; i < 100; ++i) {
			if ((ret = pthread_join(threads[i], NULL)) != 0)
				errc(1, ret, "pthread_join");
		}
#endif
	}
	return (0);
}

void handler(int sig)
{
	done = 1;
}

int main()
{
	pthread_t td1, td2;

	if (pthread_create(&td1, NULL, create_thr, NULL))
		err(1, "can not create thread 1");
	if (pthread_create(&td2, NULL, create_thr, NULL))
		err(1, "can not create thread 2");

	signal(SIGALRM, handler);
	alarm(60);
#if 0
	sleep(60);
	done = 1;
#endif
	pthread_exit(0);
	return (0);
}