会python真的可以为所欲为0(回)
379天前
这里还有人吗1(回)
564天前这里还有人吗0(回)
564天前
每天面对着电脑屏幕，敲打键盘。我所面对的并不只是代码，而是一种生活方式。0(回)
789天前到处都是羊，不想上班0(回)
869天前
鸽子
0(回)
873天前/** |
*thread_example.c : c multiple thread programming in linux |
*author : falcon |
*E-mail : tunzhj03@st.lzu.edu.cn |
*/ |
#include <pthread.h> |
#include <stdio.h> |
#include <sys/time.h> |
#include <string.h> |
#define MAX 10 |
pthread_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; |
} |
by: 发表于：2017-08-14 11:28:16 顶(0) | 踩(0) 回复
??
回复评论