Mutex

时间:2021-02-19 17:25:54
#include "stdafx.h"
#include <string>
#include <iostream>
#include <Windows.h>
using namespace std; HANDLE hMutex = NULL;
int arr[5] = {1, 2, 3, 4, 5}; DWORD CALLBACK Thread1(LPVOID Param)
{
while(true)
{
WaitForSingleObject(hMutex, INFINITE); cout << "Thread1:/t";
for (int i = 0; i < 5; i++)
{
cout << arr[i] << ' ';
Sleep(50);
}
cout << endl; ReleaseMutex(hMutex);
}
} DWORD CALLBACK Thread2(LPVOID Param)
{
while(true)
{
WaitForSingleObject(hMutex, INFINITE); cout << "Thread2:/t";
for (int i = 0; i < 5; i++)
{
cout << arr[i] << ' ';
Sleep(50);
}
cout << endl; ReleaseMutex(hMutex);
}
} int main()
{
hMutex = CreateMutex(NULL, FALSE, NULL);
CreateThread(NULL, 0 ,Thread1, NULL, NULL, NULL);
CreateThread(NULL, 0 ,Thread2, NULL, NULL, NULL);
while(true)
{
Sleep(100);
}
return 0;
}

  

互斥是有线程所有权的

hMutex = CreateMutex(NULL, FALSE, NULL);

FALSE:不为任何线程所有,但他现在也是激发的

TRUE:当前的创建线程所有,默认不激发