Windows Api学习笔记-设置线程的优先级

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#include <windows.h>

#include <iostream>

using namespace std;

 

DWORD WINAPI ThreadIdle(LPVOID lpParam)

{

    int i=0;

    while(i++<10)

    {

        cout<<"Idel thread is running"<<endl;

    }

    return 0;

}

 

DWORD WINAPI ThreadNormal(LPVOID lpParam)

{

    int i=0;

    while(i++<10)

    {

        cout<<"Normal thread is running"<<endl;

    }

    return 0;

}

 

int main()

{

    DWORD dwThreadId;

    HANDLE h[2];

    h[0] = ::CreateThread(

        NULL,//线程的安全性

        0,//指定线程堆栈大小

        ThreadIdle,//线程函数

        NULL,//线程函数的参数

        CREATE_SUSPENDED,//指定创建线程后是否立即启动,不立即启动

        &dwThreadId//内核给新生成的线程分配的线程ID

        );

    ::SetThreadPriority(h[0],THREAD_PRIORITY_IDLE);//把线程的属性设置为空闲，

    ::ResumeThread(h[0]);//恢复线程运行

    h[1] = ::CreateThread(

        NULL,

        0,

        ThreadNormal,

        NULL,

        0,

        &dwThreadId

        );//创建的线程默认优先级为Normal

    ::WaitForMultipleObjects(

        2,//要等待内核对象的数量

        h,//句柄数组

        TRUE,//是否要等待所有内核对象都成为受信状态

        INFINITE//无限期等待下去

        );

    ::CloseHandle(h[0]);

    ::CloseHandle(h[1]);

    char a;

    cin >> a;

 

}