ch3p2_threads.cpp

游戏开发特殊技巧-special.effects.game.programming

/*
#############################################################################

  Ch3p2_Threads.cpp - A simple multithreaded application that demonstrates
  the concept of multiple threading.

#############################################################################
*/

// Include Directives ///////////////////////////////////////////////////////
#include <windows.h>
#include <process.h>
#include <iostream.h>
#include <conio.h>

/****************************************************************************

 Walk: this is the entry point for our first thread.  The first thread will
 be running inside this function, at the same time the 2nd thread is in
 ChewGum.

 This thread walks.

 ****************************************************************************/
void Walk(void *args)
{
  while(1) {
    cout << "Walk   : putting one foot in front of the other..." << endl;
    Sleep(3000);
  }
}
/****************************************************************************

 ChewGum: The second thread entry point.  This thread chews gum.

 ****************************************************************************/
void ChewGum(void *args)
{
  while(1) {
    cout << "ChewGum: Chewing..." << endl;
    Sleep(2000);
  }
}
/****************************************************************************

 main: start of our application.

 ****************************************************************************/
int main(int argc, char* argv[])
{
  cout << "Ch3p2_Threads:  Press a key to exit." << endl;
  cout << "====================================" << endl;

  // start our two threads
	_beginthread(Walk, 0, NULL);
  _beginthread(ChewGum, 0, NULL);
  
  // at this point, we are running Walk and ChewGum at the same time.

  
  while (kbhit()) getch(); // clear any keys that may be in the buffer
  getch();
  
  // NOTE:  when the main() thread exits, all threads exit!
  return 0;
}