Windows临界区的用法

 1 #include <iostream>
 2 #include <Windows.h>
 3 #include <thread>
 4 using namespace std;
 5 
 6 int Count = 0;
 7 CRITICAL_SECTION my_winsc;              //定义一个Windows的临界区，相当于mutex
 8 
 9 void mythead_1()
10 {
11     for (int i = 0; i < 50; i++)
12     {
13         EnterCriticalSection(&my_winsc);  //进入临界区，相当于lock()
14         EnterCriticalSection(&my_winsc);  //进入临界区，相当于lock()
15         Count++;
16         cout << std::this_thread::get_id() << "线程:" << Count << endl;
17         LeaveCriticalSection(&my_winsc);  //离开临界区，相当于unlock()
18         LeaveCriticalSection(&my_winsc);  //离开临界区，相当于unlock()
19     }
20 }
21 
22 void mythread_2()
23 {
24     for (int i = 0; i < 50; i++)
25     {
26         EnterCriticalSection(&my_winsc);
27         Count++;
28         cout << std::this_thread::get_id() << "线程:" << Count << endl;
29         LeaveCriticalSection(&my_winsc);
30     }
31 }
32 
33 
34 int main()
35 {
36     
37     InitializeCriticalSection(&my_winsc);   //初始化
38     thread thread_1(mythead_1);
39     thread thread_2(mythread_2);
40     thread_1.join();
41     thread_2.join();
42 
43 
44     system("pause");
45     return 0;
46 }