最简单的WIN32多线程程序

最简单的WIN32多线程程序

这个例子来自MSDN

    1 // crt_begthrdex.cpp

    2 // compile with: /MT

    3 #include <windows.h>

    4 #include <stdio.h>

    5 #include <process.h>

    6 

    7 unsigned Counter; 

    8 unsigned __stdcall SecondThreadFunc( void* pArguments )

    9 {

   10     printf( "In second thread...\n" );

   11 

   12     while ( Counter < 1000000 )

   13         Counter++;

   14 

   15     _endthreadex( 0 );

   16     return 0;

   17 } 

   18 

   19 int main()

   20 { 

   21     HANDLE hThread;

   22     unsigned threadID;

   23 

   24     printf( "Creating second thread...\n" );

   25 

   26     // Create the second thread.

   27     hThread = (HANDLE)_beginthreadex( NULL, 0, &SecondThreadFunc, NULL, 0, &threadID );

   28 

   29     // Wait until second thread terminates. If you comment out the line

   30     // below, Counter will not be correct because the thread has not

   31     // terminated, and Counter most likely has not been incremented to

   32     // 1000000 yet.

   33     WaitForSingleObject( hThread, INFINITE );

   34     printf( "Counter should be 1000000; it is-> %d\n", Counter );

   35     // Destroy the thread object.

   36     CloseHandle( hThread );

   37 }