线程pthread_cleanup_push的简单例程.

http://www.cnblogs.com/hnrainll/archive/2011/04/20/2022149.html

#include<stdlib.h>

#include<stdio.h>

#include<unistd.h>

#include<pthread.h>

void clean_fun1(void * arg)

{

    printf("this is clean fun1 ");

}

void clean_fun2(void * arg)

{

    printf("this is clean fun2 ");

}

void * thread_fun(void * arg)

{

    pthread_cleanup_push(clean_fun1,NULL);

    pthread_cleanup_push(clean_fun2,NULL);

    sleep(100);

    //这里要注意,如果将sleep(100);换成while(1);的话,程序会一直暂停.push和pop要成对出现.

    //因为while(1);运行的太快,线程不接受cancel信号

    //while(1);

    pthread_cleanup_pop(0);

    pthread_cleanup_pop(0);

    return NULL;

}

int main()

{

    pthread_t tid1;

    int err;

    err=pthread_create(&tid1,NULL,thread_fun,NULL);

    if(err!=0)

    {

        perror("pthread_create");

        exit(0);

    }

    sleep(3);

    //printf("test ");

    err=pthread_cancel(tid1);

    if(err!=0)

    {

        perror("cancel error:");

        exit(0);

    }

    err=pthread_join(tid1,NULL);

    if(err!=0)

    {

        perror("pthread_join  error:");

        exit(0);

    }

     

    return 0;

}