多线程程序设计

#include <pthread.h>

pthread_t thread[2];

int number=0;//共享资源

pthread_mutex_t mut;

void work1()

{

int i=0;

printf("This is work1\n");

for(i=0;i<10;i++)

{

//共享资源枷锁

pthread_mutex_lock(&mnt);

number++;

pthread_mutex_unlock(&mnt);

printf("number=%d\n",number);

sleep(1);

}

//线程结束

pthread_exit(NULL);

}

void work2()

{

int i=0;

printf("This is work2\n");

for(i=0;i<10;i++)

{

//共享资源枷锁

pthread_mutex_lock(&mnt);

number++;

pthread_mutex_unlock(&mnt);

printf("number=%d\n",number);

sleep(1);

}

//线程结束

pthread_exit(NULL);

}

int main()

{

//线程锁的初始化

pthread_mutex_init(&mnt,NULL);

//创建线程1

pthread_create(&thread[0],NULL,work1,NULL);

//创建线程2

pthread_create(&thread[1],NULL,work2,NULL)；

//等待线程1结束

pthread_join(thread[0],NULL);

//等待线程2结束

pthread_join(thread[1],NULL);

}