/*exit_join_id.c*/

#include<pthread.h>

#include<stdio.h>

void* eji(void* agr)

{

    printf("here is eji\n");

    printf("PID= %u",(unsigned int)pthread_self());

    pthread_exit("here all done!\n");

}

int main(int argc, char** argv)

{

    pthread_t pid;

    int ret;

    void* j_ret;

    ret=pthread_create(&pid,NULL,eji,NULL);

    if(ret)

    {

        printf("pthread_create failed\n");

	return -1;

    }

    ret=pthread_join(pid,&j_ret);

    if(ret)

    {

        printf("pthread_join failed \n");

	return -1;

    }

    printf("the return value is %s",(char*)j_ret);

    return 0;

}