Linux多线程编程
#include
#include
#include
#include
#define MAX 10
pthread_t thread[2];
pthread_mutex_t mut;
int number=0, i;
void *thread1()
{
printf ("thread1 : I'm thread 1n");
for (i = 0; i < MAX; i++)
{
printf("thread1 : number = %dn",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 2n");
for (i = 0; i < MAX; i++)
{
printf("thread2 : number = %dn",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;
}