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

void thread1(void)
{
	int i=0;
	for(i=0;i<6;i++){
		printf("This is a pthread1.\n");
		if(i==2)
			pthread_exit(0);
		sleep(1);
		}
}

void thread2(void)
{
	int i;
	for(i=0;i<3;i++)
		printf("This is a pthread2.\n");
	pthread_exit(0);
}

int main(void)
{
	pthread_t id1,id2;
	int i,ret;
	ret=pthread_create(&id1,NULL,(void *) thread1,NULL);
	if(ret!=0){
		printf ("Create pthread error!\n");
	exit (1);
	}
	ret=pthread_create(&id2,NULL,(void *) thread2,NULL);
	if(ret!=0){
		printf ("Create pthread error!\n");
		exit (1);
	}
	pthread_join(id1,NULL);
	pthread_join(id2,NULL);
	exit (0);
}