C语言Win32多线程简单例子

Posted on 2010-06-03 by tunpishuang

来自http://tunps.com/c-win32-simple-multithreads

#include <windows.h>
#include <stdio.h>
#include <process.h>
// Secound Thread function
void ThreadProc(void *param);
 
// First thread
int main()
{
 
    int n;
    int i;
    int val = 0;
    HANDLE handle;
 
    printf("\t Thread Demo\n");
 
    printf("Enter the number of threads : ");
    scanf("%d",&n);
 
    for(i=0;i<n ;i++)
    {
        val = i+1;
        handle = (HANDLE) _beginthread( ThreadProc,0,&val); // create thread
        WaitForSingleObject(handle,INFINITE);
 
    }
 
    return 0;
}
 
void ThreadProc(void *param)
{
 
    int h=*((int*)param);
    printf("%d Thread is Running!\n",h);
    Sleep(1000);
    _endthread();
 
}

功能是执行用户键入指定数量的线程，每个线程干同样的事情：输出字符串：某Thread is Running!，然后Sleep 1秒钟，结束进程，WaitForSingleObject等待指定对象进入有信号的状态，或者等待指定时间。另外发现一个监视线程活动的好工具，sysinternal的Process Monitor ：

参考：http://www.codeproject.com/KB/threads/crtmultithreading.aspx

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