#include <iostream>
#include <pthread.h> void cleanup(void *arg) { printf("cleanup: %s\n", (char*)arg);
} void* thr_fn1(void *arg) { printf("thread1 start\n");
pthread_cleanup_push(cleanup, (void*)"thread 1 first handler");
pthread_cleanup_push(cleanup, (void*)"thread 1 second handler");
printf("thread1 push complete.\n"); if(arg) {
return ((void*));
} pthread_cleanup_pop();
pthread_cleanup_pop(); return ((void*));
} void* thr_fn2(void *arg) { printf("thread2 start\n");
pthread_cleanup_push(cleanup, (void*)"thread 2 first handler");
pthread_cleanup_push(cleanup, (void*)"thread 2 second handler");
printf("thread2 push complete.\n"); if(arg) {
pthread_exit((void*));
} pthread_cleanup_pop();
pthread_cleanup_pop(); pthread_exit((void*));
} int main() { int err;
pthread_t tid1,tid2;
void *tret; err = pthread_create(&tid1, NULL, thr_fn1, NULL);
if(err != )
printf("can't create thread 1: %s\n", strerror(err)); err = pthread_create(&tid2, NULL, thr_fn2, NULL);
if(err != )
printf("can't create thread 2: %s\n", strerror(err)); err = pthread_join(tid1, &tret);
if(err != )
printf("can't join with thread 1: %s\n", strerror(err));
printf("thread 1 exit code %d\n", (int*)tret ); err = pthread_join(tid2, &tret);
if(err != )
printf("can't join with thread 2: %s\n", strerror(err));
printf("thread 2 exit code %d\n", (int*)tret ); return ;
}
使用pthread_cleanup_push pthread_cleanup_pop完成线程退出函数自动调用的功能;