Processes and threads

Sample task

• Demonstration
• Features:
  • The main window:
    • two "trains" - green moving horizontally and red moving vertically as in the demonstration
    • sizes and speeds of trains are random
    • tracks of both trains must collide int the center of window's client area
• Technical issues:
  • use one thread per train
  • drawing code can be only in the procedure of the main window
  • don't let the scene flicker
  • use a semaphore or a mutex to synchronize trains
  • left mouse button stops/runs green train, right - red train
  • stopping the train means stopping train's thread
  • naciśnięcie prawego przycisku myszy - zatrzymanie/wznowienie ruchu czerwonego "pociągu"
  • don't let to resize the window
  • make sure that both threads are stopped before the program quits
  • using of a timer is forbidden
  • using busy waiting is forbidden
• Hints:
  • CreateThread
  • CreateMutex, CreateSemaphore
  • WaitForSingleObject
  • ResumeThread, SuspendThread