标签：线程
1 #include<stdio.h>
2 #include<pthread.h>
3
4 static int count = 0;
5 static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
6 void *pthread(void* arg)
7 {
8 int tmp = 0;
9 int i = 5000;
10 while(i--)
11 {
12 pthread_mutex_lock(&lock);
13 tmp = count;
14 printf("this is %d thread,count is %d\n",(int)arg,tmp);
15 count = tmp +1;
16 pthread_mutex_unlock(&lock);
17 }
18 return (void*)2;
19 }
20 int main()
21 {
22 pthread_t tid1,tid2;
23 pthread_create(&tid1,NULL,pthread,(void*)1);
24 pthread_create(&tid2,NULL,pthread,(void*)2);
25
26 void* status = NULL;
27 pthread_join(tid1,&status);
28 pthread_join(tid2,&status);
29 printf("count is %d\n",count);
30 return 0;
31 }
this is 1 thread,count is 5304
this is 1 thread,count is 5305
this is 1 thread,count is 5306
this is 1 thread,count is 5307
this is 1 thread,count is 5308
this is 1 thread,count is 5309
this is 1 thread,count is 5310
this is 1 thread,count is 5311
count is 5312
this is 1 thread,count is 9993
this is 1 thread,count is 9994
this is 1 thread,count is 9995
this is 1 thread,count is 9996
this is 1 thread,count is 9997
this is 1 thread,count is 9998
this is 1 thread,count is 9999
count is 10000标签：线程
原文地址：http://fengbaoli.blog.51cto.com/10538178/1764743
