线程练习

最新推荐文章于 2021-02-03 23:22:07 发布

原创最新推荐文章于 2021-02-03 23:22:07 发布 · 567 阅读

CC 4.0 BY-SA版权

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

int ticket = 10;

void *sell_ticket1(void)
{
    while(1)
    {
        if(ticket > 0)
        {
            sleep(1);
            printf("sell ticket--> chool ticket:%d\n",--ticket);
        }
        else
        {
            break;
        }
    }
    return NULL;
}

void *sell_ticket2(void)
{

    while(1)
    {
            if(ticket > 0)
            {
            sleep(1);
              printf("sell ticket--> chool ticket:%d\n",--ticket);
            }
            else
            {
                break;
            }
    }
}

void *sell_ticket3(void)
{

    while(1)
    {
            if(ticket > 0)
            {
            sleep(1);
              printf("sell ticket--> chool ticket:%d\n",--ticket);
            }
            else
            {
                break;
            }

    }
    return NULL;
}

int main()
{
    int i=0, ret=0;
    pthread_t id1,id2,id3;

    ret = pthread_create(&id1, NULL, (void*)sell_ticket1, NULL);
     ret = pthread_create(&id2, NULL, (void*)sell_ticket1, NULL);
    ret = pthread_create(&id3, NULL, (void*)sell_ticket1, NULL);


    pthread_join(id1, NULL);
    printf("id1 exit!\n");
    pthread_join(id2, NULL);
    printf("id2 exit!\n");
    pthread_join(id3, NULL);
    printf("id3 exit!\n");

    return 0;
}