win32线程安全原子锁

 1 // 微软官方例程 稍微修改了下 测试刚刚好
 2 
 3 #define THREAD_COUNT 20
 4 static volatile UINT vol = 0;
 5 void SimpleThreadA(void* id) {
 6     UINT& max = *(PUINT)id;
 7 
 8     for (size_t i = 0; i < max; i++)
 9     {
10         WDS("[No.%u]%d %u", max, i, GetTickCount());
11         InterlockedIncrement(&vol);
12     }
13 }
14 void MultiThreadTestA() {
15     DWORD num;
16     HANDLE threads[THREAD_COUNT];
17     int args[THREAD_COUNT];
18     int i;
19 
20     for (i = 0; i < THREAD_COUNT; i++) {
21         args[i] = i + 1;
22         threads[i] = reinterpret_cast<HANDLE>(_beginthread(SimpleThreadA, 0,
23             args + i));
24         if (threads[i] == reinterpret_cast<HANDLE>(-1))
25             // error creating threads
26             break;
27     }
28 
29     WaitForMultipleObjects(i, threads, true, INFINITE);
30     WDS("VOL %d", vol);
31 }

/*
* @@静态类 
* Locker 原子锁
* QQ : 4seaynl
* */
class Locker {
private:
    LONG m_locker = NULL;
public:
    void Lock() {
        while (TRUE == m_locker) ::Sleep(1);

        InterlockedIncrement(&m_locker);
    }
    void Unlock() {
        InterlockedDecrement(&m_locker);
    }
};

不喜欢用别人的代码 std::mutex，，，