///////////////////////////////////////////////////////////////////////////////
/// satthread.c ///////////////////////////////////////////////////////////////
/*
 * satthread - Create child thread and join it several times. Each child thread
 *             does nothing and exits immediately.
 *
 * Copyright (C) 2007 Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
 *
 * This software may be used and distributed according to the terms
 * of the GNU General Public License, incorporated herein by reference.
 */
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>

#define NTHREAD 10

static void *thread_fn(void *arg)
{
	return NULL;
}

static void *creator(void* arg)
{
	int i;
	pthread_t t;
	for (i = 0; i < NTHREAD; i++) {
		if (pthread_create(&t, NULL, thread_fn, NULL)) {
			fprintf(stderr, "pthread_create(%d) failed\n", i);
			exit(EXIT_FAILURE);
		}
		usleep(100 * 1000);
		pthread_join(t, NULL);
	}
}

int
main(int argc, char **argv)
{
	int i;
	pthread_t t;
	if (pthread_create(&t, NULL, creator, NULL)) {
		fprintf(stderr, "pthread_create (creator) failed\n");
		exit(EXIT_FAILURE);
	}
	pthread_join(t, NULL);
	exit(EXIT_SUCCESS);
}