/*
 ****************************
 *
 *	Round-Robin Thread Execution
 *	Silvia Figueira -- Winter 09
 *
 ****************************
 */

#include <stdio.h>
#include <pthread.h>

/*
 *	functions
 */
void *loop (void *arg);

/*
 *	main
 */
int main()
{
	int		i;
	pthread_t	thr[3];


	for (i = 0; i < 3; i++)
		pthread_create(&thr[i], NULL, loop,(void *) i);

	for (i = 0; i < 3; i++)
		pthread_join (thr[i], NULL); 
}


/*
 *	loop
 */
void *loop (void *arg)
{
	int i;
	int number = (int) arg;

	for (i = 0; i < 20; i++)
	{
		printf("%d\n", number);
		sleep (1);
	}
}