C++ DosSleep函数代码示例

MRESULT EXPENTRY aboutProcR( HWND hwndDlg, ULONG msg,
			    MPARAM mp1, MPARAM mp2 )
{
INT i;
switch ( msg )
   {
   case WM_INITDLG:
      return WinDefDlgProc( hwndDlg, msg, mp1, mp2 );

   case WM_COMMAND:
      switch( SHORT1FROMMP( mp1 ) )
	 {
	 case DID_CANCEL :
	    WinShowWindow(WinWindowFromID(hwndDlg, DID_CANCEL), FALSE);
	    for( i=0;i<4;i++ )
	       {
	       WinShowWindow(WinWindowFromID(hwndDlg, ID_BEGSCREEN), FALSE);
	       DosSleep(200);
	       WinShowWindow(WinWindowFromID(hwndDlg, ID_BEGSCREEN), TRUE);
	       DosSleep(200);
	       }
	    WinDismissDlg( hwndDlg, TRUE );
	    break;

	 default :
	    return WinDefDlgProc( hwndDlg, msg, mp1, mp2 );
	 }
      break;
   default :
      return WinDefDlgProc( hwndDlg, msg, mp1, mp2 );
   }
return (MRESULT) FALSE;
}

static VOID FAR alarm_thread ( VOID )
{
    while(1)
    {
      if (bAlarmRunning)
      {
        DosSleep(1000L);
        uTime--;
        if (uTime==0L)
        {
          // send signal to the main process.. I could have put raise() here
          // however that would require the use of the multithreaded library,
          // and it does not contain raise()!
          // I tried it with the standard library, this signaled ok, but a
          // test printf in the signal would not work and even caused SEGV.
          // So I signal the process through OS/2 and then the process
          // signals itself.
          if (bAlarmRunning)
            DosFlagProcess(pidMain,FLGP_PID, PFLG_A,1);
          bAlarmRunning=FALSE;
        }
      }
      else
        DosSleep(500L);
    }
}

void main(int argc, char **argv)
{
   APIRET rc;
   ULONG ulAction = 0;
   TID tid = 0;
   char szTemp[] = "NPU4011$";
   char szDevName[128] = "\\DEV\\";

   if (argc > 1) {
      strcpy(szTemp, argv[1]);
      szTemp[0]++;
   }

   strcat(szDevName, szTemp);

   printf("MPUTRACE - Theta Band Software MPU-401 Driver Trace Utility\n");
   printf("%d Trace Messages supported\n", NUM_TRACES);
   printf("Opening %s\n", szDevName);
   rc = DosOpen((PSZ) szDevName, &hfile, &ulAction, 0, 0, OPEN_FLAG, OPEN_MODE, NULL);
   if (rc) {
      printf("Error %d while trying to open MPU-401 device driver\n", rc);
      return;
   }

   ULONG ulSize1;
   ULONG ulSize2 = sizeof(STATUS);
   rc = DosDevIOCtl(hfile, 0x80, 0, NULL, ulSize1, &ulSize1, &status, ulSize2, &ulSize2);
   if (rc) {
      printf("Error %d while trying to get MPU-401 status\n", rc);
      return;
   }

   PrintStatus();

   printf("Creating thread\n");
   rc = DosCreateThread(&tid, (PFNTHREAD) Thread, 0, CREATE_READY | STACK_COMMITTED, 8192);
   if (rc) {
      printf("DosCreateThread failed with RC = %lu\n", rc);
      return;
   }

   while (!fRunning)
      DosSleep(100);

   printf("Hit any key to quit. Program will then exit after the next message.\n");

   getch();
   printf("Quitting ...\n");
   fQuit = TRUE;
   while (fRunning)
      DosSleep(100);

   DosSleep(500);    // wait until the thread really ends
   DosClose(hfile);
}

// poplog( )
//
//  Open the popuplog and sent to printsys( )
//
void poplog(struct PROGRAMOPTS *prgoptions)
{
    int start = 1;

    char buffer[256];

    FILE *popfile;

    if(access(prgoptions->popupfile, F_OK) == 0)
    {
        popfile = fopen(prgoptions->popupfile, "rt");

        while(!feof(popfile))
        {
            fgets(buffer, 256, popfile);

            if(start == 1)
            {
                printsys(" --< START POPUPLOG ENTRY >-- ");
                start = 0;
            }

            if((int)buffer[0] == 45)
            {
                printsys(" --<  END POPUPLOG ENTRY  >-- ");
                start = 1;
            }
            else if((int)buffer[0] != 0) printsys( buffer );
            DosSleep(20L);
        }

        printsys(" --<  END POPUPLOG ENTRY  >-- ");

        fclose(popfile);

        remove(prgoptions->popupfile);
    }

    if(access(prgoptions->flashlog, F_OK) == 0)
    {
        popfile = fopen(prgoptions->flashlog, "rt");

        while(!feof(popfile))
        {
            fgets(buffer, 256, popfile);
            printsys( buffer );
            DosSleep(20L);
        }

        fclose(popfile);

        remove(prgoptions->flashlog);
    }
}

VOID StdLib_Retard( VOID )
{
 // Ждем некоторое время.
 #ifdef I386_ARCHITECTURE
  DosSleep( 50 );
 #else
  DosSleep( 10 );
 #endif

 // Возврат.
 return;
}

/*
	priority_thread
	This thread controls the priority of the drawing thread.
	With these changes, if a saver module runs on low priority (this is
	the default setting), it rises to normal priority twice a second
	for 0.1 seconds. This should solve the problem that, when very
	time-consuming processes were running, the module seemed not to become
	active at all (in fact it became active, but did not get enough CPU
	time to do its saver action).
	There should be no reason to alter the code.
*/
void	priority_thread(void *args)
{
	DosSetPriority(PRTYS_THREAD, PRTYC_TIMECRITICAL, 0, 0);
	for(;!stop_priority_thread;){
		int	i;
		DosSetPriority(PRTYS_THREAD, PRTYC_REGULAR, 0, tidDraw);
		DosSleep(100);
		DosSetPriority(PRTYS_THREAD, PRTYC_IDLETIME, 0, tidDraw);
		for(i=0;!stop_priority_thread && i<4;i++)
			DosSleep(100);
	}
}

static void PostListens( void )
{
    int         i;

    DosSleep( 0 );
    for( i = NUM_REC_BUFFS-1; i >= 0; --i ) {
        if( !InUse( RecECB[i] ) ) {
            PostAListen( i );
        }
    }
    /* make sure other side get the listens up */
    DosSleep( 100 );
}

void omni_thread::sleep(unsigned long secs, unsigned long nanosecs)
{
    if (secs <= MAX_SLEEP_SECONDS) {
    DosSleep(secs * 1000 + nanosecs / 1000000);
    return;
    }

    ULONG no_of_max_sleeps = secs / MAX_SLEEP_SECONDS;

    for (ULONG i = 0; i < no_of_max_sleeps; i++)
    DosSleep(MAX_SLEEP_SECONDS * 1000);

    DosSleep((secs % MAX_SLEEP_SECONDS) * 1000 + nanosecs / 1000000);
}

/**
 * Cleans up after system_Init() and system_Configure().
 */
void system_End(void)
{
    if( tidIPCFirst == _gettid())
    {
        HPIPE hpipe;
        ULONG ulAction;
        ULONG cbActual;
        ULONG rc;

        do
        {
            rc = DosOpen( VLC_IPC_PIPE, &hpipe, &ulAction, 0, 0,
                          OPEN_ACTION_OPEN_IF_EXISTS,
                          OPEN_ACCESS_READWRITE | OPEN_SHARE_DENYREADWRITE |
                          OPEN_FLAGS_FAIL_ON_ERROR,
                          NULL );

            if( rc == ERROR_PIPE_BUSY )
                DosWaitNPipe( VLC_IPC_PIPE, -1 );
            else if( rc )
                DosSleep( 1 );
        } while( rc );

        /* Ask for IPCHelper to quit */
        ULONG ulCmd = IPC_CMD_QUIT;
        DosWrite( hpipe, &ulCmd, sizeof( ulCmd ), &cbActual );

        DosClose( hpipe );

        TID tid = tidIPCHelper;
        DosWaitThread( &tid, DCWW_WAIT );
    }
}

RTDECL(int)   RTThreadSleep(RTMSINTERVAL cMillies)
{
    LogFlow(("RTThreadSleep: cMillies=%d\n", cMillies));
    DosSleep(cMillies);
    LogFlow(("RTThreadSleep: returning (cMillies=%d)\n", cMillies));
    return VINF_SUCCESS;
}

void RemoteDisco( void )
{
    int         i;

    DosSleep( 500 );    /* make sure last packet gets sent */
    Listening = 0;
    _INITSPXECB( Conn, 1, 0, 0 );
    if( SpxTerminateConnection( Connection, &ConnECB ) == 0 ) {
        while( InUse( ConnECB ) ) IPXRelinquishControl();
    }
    for( i = NUM_REC_BUFFS-1; i >= 0; --i ) {
        if( InUse( RecECB[i] ) ) {
            SpxCancelPacket( &RecECB[i] );
        }
    }
    if( InUse( SendECB ) ) {
        SpxCancelPacket( &SendECB );
    }
    for( i = NUM_REC_BUFFS-1; i >= 0; --i ) {
        ZeroArray( RecHead[i] );
        ZeroArray( RecECB[i] );
    }
    ZeroArray( ConnHead );
    ZeroArray( SendHead );
    ZeroArray( ConnECB );
    ZeroArray( SendECB );
}

void Eingang()
{
	DosBeep(3000,300);
	DosSleep(1000);
	DosBeep(4000,200);
	DosExit(0,0);
}

static void WaitForSlip(void) {

    int FirstTime = 1;
    APIRET rc;
    short Seconds = Timeout;
    do {
        rc = DosOpenEventSem("\\sem32\\slip\\monitor", &slip_running);
        if (rc) {
            if (FirstTime) {
                printf("[ Waiting for SLIP - maximum wait = %d seconds ]\n",
                       Timeout);
                FirstTime = 0;
            }
            Seconds--;
            if (Seconds >= 0) {
                if (Debug) {
                    fprintf(stderr, ".");
                    fflush(stderr);
                }
                DosSleep(1000L);
            }
        }
    } while (rc && (Seconds >= 0));
    if (Debug) {
        fprintf(stderr, "\n");
    }
    if (Seconds < 0) {
        printf("The SLIP driver appears not to have started.\n");
        exit(1);
    }
}						// WaitForSlip()

/*
===============
RunThreadsOn
===============
*/
void RunThreadsOn (threadfunc_t func)
{
	LONG		i;

	if (numthreads <= 1)
	{
		work_threads[0] = -1;
		func (NULL);
		return;
	}

	workfunc = func;

	for (i = 0; i < numthreads; i++)
	{
		work_threads[i] = _beginthread(ThreadWorkerFunc, NULL, stacksiz, (void *)i);
		if (work_threads[i] == -1)
			COM_Error ("_beginthread() failed");
	}

	for (i = 0; i < numthreads; i++)
	{
		while (work_threads[i] != -1)
			DosSleep (100);
	}
}

static void hb_taskFreeze( HB_MAXINT wakeup )
{
#if defined( HB_OS_DOS )
   while( wakeup > hb_taskTimeStop( 0 ) )
   {
      union REGS regs;

      regs.h.ah = 2;
      regs.HB_XREGS.ax = 0x1680;

      HB_DOS_INT86( 0x2F, &regs, &regs );
   }
#else
   wakeup -= hb_taskTimeStop( 0 );
   if( wakeup > 0 )
   {
#  if defined( __DJGPP__ )
      usleep( wakeup * 1000 );
#  elif defined( HB_OS_WIN )
      Sleep( wakeup );
#  elif defined( HB_OS_OS2 )
      DosSleep( wakeup );     /* Duration is in milliseconds */
#  elif defined( HB_OS_UNIX )
      struct timeval tv;
      tv.tv_sec = wakeup / 1000;
      tv.tv_usec = ( wakeup % 1000 ) * 1000;
      select( 0, NULL, NULL, NULL, &tv );
#  endif
   }
#endif
}