#include <windows.h>
#include <stdio.h>
class CworkerThread
{
protected: 
    HANDLE m_hThread;
    LPCTSTR m_szName;
public:
    CworkerThread(LPCTSTR szName)
    {
        m_szName=szName;
        m_hThread=INVALID_HANDLE_VALUE;
        m_hThread=::CreateThread(NULL,0,ThreadProc,reinterpret_cast<LPVOID>(this),0,NULL);
    }
    virtual ~CworkerThread()
    {
        ::CloseHandle(m_hThread);
    }
    virtual void WaitForCompletion()
    {
        ::WaitForSingleObject(m_hThread,INFINITE);
    }
protected:
    static DWORD WINAPI ThreadProc(LPVOID lpParam)
    {
        CworkerThread *pThis=reinterpret_cast<CworkerThread *>(lpParam);
        pThis->DoStuff();
        return (0);
    }
    virtual void DoStuff()                //运行的结果显示这个函数只调用一次,为什么会这样呢?
    {
        for(int n=0;n<20;++n)
        {
            printf("Thread: %s\n",m_szName);
            printf("ID: %d\n",::GetCurrentThreadId());
            printf("count: %d\n\n",n);
        }
    }
};
void main()
{
    CworkerThread wtA("A");
    CworkerThread wtB("B");
    wtA.WaitForCompletion();
    wtB.WaitForCompletion();
    printf("Both threads complete.");
}
问题已经用红色字体标识了,期待高手的解答~~~QQ:304635945



 
											





 
	    

 
	




