- 互锁函数：
- LONG InterlockedIncrement（LONG volatile* Addend）：递增指定32位变量，增量位1，可以阻止其他线程同时使用此变量；
- LONG InterlockedDecrement（LONG volatile* Addend）：递减指定的32变量，减小量位1；
#include<windows.h>
#include<iostream>
#include<process.h>
using namespace std;
UINT __stdcall ThreadProcess(LPVOID lpParam);
int b = true;
int count1 = 0;
int count2 = 0;
int main()
{
UINT Ui;
HANDLE hThread[10];
for (int i = 0; i < 10; i++)
{
hThread[i] = (HANDLE)::_beginthreadex(NULL, 0, ThreadProcess, NULL, 0, &Ui);
}
Sleep(6000);
b = false;
::WaitForMultipleObjects(10, hThread, TRUE, INFINITE);
for (int i = 0; i < 10; i++)
{
::CloseHandle(hThread[i]);
}
cout << "Count1=" << count1 << endl;
cout << "Count2=" << count2 << endl;
return 0;
}
UINT __stdcall ThreadProcess(LPVOID lpParam)
{
while (b)
{
//做加以操作
::InterlockedIncrement((long*)&count1);
::InterlockedIncrement((long*)&count2);
//count1++;
//count2++;
}
return 0;
}
)
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