source: trunk/dll/timer.c@ 101

#define INCL_DOS
#define INCL_DOSERRORS
#define INCL_WIN

#include <os2.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "fm3dll.h"
#include "fm3str.h"

#pragma alloc_text(TIMER,TimerThread,StartTimer,StopTimer)

static HEV hevTimerSem;


static void TimerThread (void *args) {

  HAB   hab2;
  HMQ   hmq2;
  ULONG cntr = 0;

  priority_bumped();
  hab2 = WinInitialize(0);
  if(hab2) {
    hmq2 = WinCreateMsgQueue(hab2,
                             0);
    if(hmq2) {
      WinCancelShutdown(hmq2,
                        TRUE);
      if(!DosCreateEventSem(NULL,
                            &hevTimerSem,
                            0,
                            FALSE)) {
        for(;;) {
          if(DosWaitEventSem(hevTimerSem,
                             3000) !=
             ERROR_TIMEOUT)
            break;
          cntr++;
          if(hwndTree &&
             !(cntr % 3))
            PostMsg(hwndTree,
                    UM_TIMER,
                    MPVOID,
                    MPVOID);
          if(hwndBubble &&
             WinIsWindowVisible(hwndBubble))
              PostMsg(hwndBubble,
                      UM_TIMER,
                      MPVOID,
                      MPVOID);
          if(DataHwnd)
            PostMsg(DataHwnd,
                    UM_TIMER,
                    MPVOID,
                    MPVOID);
        }
        DosCloseEventSem(hevTimerSem);
      }
      WinDestroyMsgQueue(hmq2);
    }
    WinTerminate(hab2);
  }
}

BOOL StartTimer (void) {

  return (_beginthread(TimerThread,
                       NULL,
                       32768,
                       (PVOID)0) != -1);
}

void StopTimer (void) {

  DosPostEventSem(hevTimerSem);
}