使用_beginThreadex创建多线程（C语言版多线程）

#include   
#include <string>             // for STL string class  
#include           // for HANDLE  
#include           // for _beginthread()  
using namespace std;  
  
class ThreadX  
{  
private:  
  int loopStart;  
  int loopEnd;  
  int dispFrequency;  
public:  
  string threadName;  
  
  ThreadX( int startValue, int endValue, int frequency )  
  {  
    loopStart = startValue;  
    loopEnd = endValue;  
    dispFrequency = frequency;  
  }  
  
  static unsigned __stdcall ThreadStaticEntryPoint(void * pThis)  
  {  
      ThreadX * pthX = (ThreadX*)pThis;   // the tricky cast  
      pthX->ThreadEntryPoint();           // now call the true entry-point-function  
      return 1;                           // the thread exit code  
  }  
  
  void ThreadEntryPoint()  
  {  
    for (int i = loopStart; i <= loopEnd; ++i)  
    {  
      if (i % dispFrequency == 0)  
      {  
          printf( "%s: i = %d\n", threadName.c_str(), i );  
      }  
    }  
    printf( "%s thread terminating\n", threadName.c_str() );  
  }  
};  
  
  
int main()  
{  
    ThreadX * o1 = new ThreadX( 0, 1, 2000 );  
  
    HANDLE   hth1;  
    unsigned  uiThread1ID;  
  
    hth1 = (HANDLE)_beginthreadex( NULL,         // security  
                                   0,            // stack size  
                                   ThreadX::ThreadStaticEntryPoint,  
                                   o1,           // arg list  
                                   CREATE_SUSPENDED,  // so we can later call ResumeThread()  
                                   &uiThread1ID );  
  
    if ( hth1 == 0 )  
        printf("Failed to create thread 1\n");  
  
    DWORD   dwExitCode;  
    GetExitCodeThread( hth1, &dwExitCode );  // should be STILL_ACTIVE = 0x00000103 = 259  
    printf( "initial thread 1 exit code = %u\n", dwExitCode );  
  
    o1->threadName = "t1";  
  
    ThreadX * o2 = new ThreadX( -100000, 0, 2000 );  
  
    HANDLE   hth2;  
    unsigned  uiThread2ID;  
  
    hth2 = (HANDLE)_beginthreadex( NULL,         // security  
                                   0,            // stack size  
                                   ThreadX::ThreadStaticEntryPoint,  
                                   o2,           // arg list  
                                   CREATE_SUSPENDED,  // so we can later call ResumeThread()  
                                   &uiThread2ID );  
  
    if ( hth2 == 0 )  
        printf("Failed to create thread 2\n");  
  
    GetExitCodeThread( hth2, &dwExitCode );  // should be STILL_ACTIVE = 0x00000103 = 259  
    printf( "initial thread 2 exit code = %u\n", dwExitCode );  
  
    o2->threadName = "t2";  
  
    ResumeThread( hth1 );   // serves the purpose of Jaeschke's t1->Start()  
    ResumeThread( hth2 );     
  
    WaitForSingleObject( hth1, INFINITE );  
    WaitForSingleObject( hth2, INFINITE );  
  
    GetExitCodeThread( hth1, &dwExitCode );  
    printf( "thread 1 exited with code %u\n", dwExitCode );  
  
    GetExitCodeThread( hth2, &dwExitCode );  
    printf( "thread 2 exited with code %u\n", dwExitCode );  
  
    CloseHandle( hth1 );  
    CloseHandle( hth2 );  
  
    delete o1;  
    o1 = NULL;  
  
    delete o2;  
    o2 = NULL;  
  
    printf("Primary thread terminating.\n");  
    return 0;  
}