#include <pthread.h>
#include <time.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

void *wokerT1(void *vargp)
{
    for(int i=0; i<5; i++)
    {
        printf("My name is Lvjinzhong\n");
        int sleep_time = rand() % 5 + 1;
        sleep(sleep_time);
    }
    return NULL;
}

void *wokerT2(void *vargp)
{
    for(int i=0; i<5; i++)
    {
        printf("My student number is 2024414290124\n");
        int sleep_time = rand() % 5 + 1;
        sleep(sleep_time);
    }
    return NULL;
}

void *wokerT3(void *vargp)
{
    for(int i=0; i<5; i++)
    {
        time_t t = time(NULL);
        printf("Current time %s",ctime(&t));
        int sleep_time = rand() % 5 + 1;
        sleep(sleep_time);
    }
    return NULL;
}

int main()
{
    pthread_t t1,t2,t3;
    pthread_create(&t1, NULL, wokerT1, NULL);
    pthread_create(&t2, NULL, wokerT2, NULL);
    pthread_create(&t3, NULL, wokerT3, NULL);
    
    
    pthread_join(t1, NULL);
    pthread_join(t2, NULL);
    pthread_join(t3, NULL);
    return 0;
}