pthread_cleanup_push and pthread_cleanup_pop

时间：2010-08-25 来源：harryxiyou

#include<stdio.h> #include<pthread.h>
void clean_up(void* arg) { printf("\nin clean_up function\n"); printf("arg=%s\n",(char*)arg); return; }
void * pthread1(void *arg) { printf("pthread begin\n"); pthread_cleanup_push(clean_up,"first first first"); pthread_cleanup_push(clean_up,"second second second"); pthread_cleanup_pop(1); pthread_cleanup_pop(0); printf("in the end pthread1\n"); pthread_exit((void *)200); } int main(void) { int err; pthread_t tid1; void * ret; err=pthread_create(&tid1,NULL,pthread1,NULL); if(err!=0){ printf("pthread_create error\n"); return -1; } err=pthread_join(tid1,&ret); if(err!=0){ printf("pthread_joid error\n"); return -1; } printf("pthread_join return is %d\n",(int)ret); return 0; } ++++++++++++++++++++++++++++++++++++ fan@fan:~/arm$ gcc -o app pthread_pop.c -lpthread fan@fan:~/arm$ ./app pthread begin
in clean_up function arg=second second second in the end pthread1 //其实还是在没有退出子线程的时候调用函数的。 pthread_join return is 200 fan@fan:~/arm$ +++++++++++++++++++++++++++

pop和push的参数都设置为1的情况

fan@fan:~/arm$ gcc -o app pthread_pop.c -lpthread

fan@fan:~/arm$ ./app

pthread begin

in clean_up function

arg=second second second

in clean_up function

arg=first first first

in the end pthread1

pthread_join return is 200