thread例子

#include <pthread.h>#include <stdio.h>#include <sys/time.h>#include <string.h>#define MAX 10pthread_t thread[2];pthread_mutex_t mut;int number=0, i;void *thread1(){ printf ("thread1 : I'm thread 1/n"); for (i = 0; i < MAX; i++) { printf("thread1 : number = %d/n",number); pthread_mutex_lock(&mut); number++; pthread_mutex_unlock(&mut); sleep(2); } printf("thread1 :主函数在等我完成任务吗？/n"); pthread_exit(NULL);}void *thread2(){ printf("thread2 : I'm thread 2/n"); for (i = 0; i < MAX; i++) { printf("thread2 : number = %d/n",number); pthread_mutex_lock(&mut); number++; pthread_mutex_unlock(&mut); sleep(3); } printf("thread2 :主函数在等我完成任务吗？/n"); pthread_exit(NULL);}void thread_create(void){ int temp; memset(&thread, 0, sizeof(thread)); //comment1 /*创建线程*/ if((temp = pthread_create(&thread[0], NULL, thread1, NULL)) != 0) //comment2 printf("线程1创建失败!/n"); else printf("线程1被创建/n"); if((temp = pthread_create(&thread[1], NULL, thread2, NULL)) != 0) //comment3 printf("线程2创建失败"); else printf("线程2被创建/n");}void thread_wait(void){ /*等待线程结束*/ if(thread[0] !=0) { //comment4 pthread_join(thread[0],NULL); printf("线程1已经结束/n"); } if(thread[1] !=0) { //comment5 pthread_join(thread[1],NULL); printf("线程2已经结束/n"); }}int main(){ /*用默认属性初始化互斥锁*/ pthread_mutex_init(&mut,NULL); printf("我是主函数哦，我正在创建线程，呵呵/n"); thread_create(); printf("我是主函数哦，我正在等待线程完成任务阿，呵呵/n"); thread_wait(); return 0;}