C++ GetTimeInMillis函数代码示例

int
TimeSinceLastInputEvent(void)
{
    if (lastEventTime == 0)
        lastEventTime = GetTimeInMillis();
    return GetTimeInMillis() - lastEventTime;
}

static Bool
MouseWaitForReadable (int fd, int timeout)
{
    fd_set	    set;
    struct timeval  tv, *tp;
    int		    n;
    CARD32	    done;

    done = GetTimeInMillis () + timeout;
    for (;;)
    {
	FD_ZERO (&set);
	FD_SET (fd, &set);
	if (timeout == -1)
	    tp = 0;
	else
	{
	    tv.tv_sec = timeout / 1000;
	    tv.tv_usec = (timeout % 1000) * 1000;
	    tp = &tv;
	}
	n = select (fd + 1, &set, 0, 0, tp);
	if (n > 0)
	    return TRUE;
	if (n < 0 && (errno == EAGAIN || errno == EINTR))
	{
	    timeout = (int) (done - GetTimeInMillis ());
	    if (timeout > 0)
		continue;
	}
	break;
    }
    return FALSE;
}

static void
recv_alive_msg (unsigned length)
{
    CARD8   SessionRunning;
    CARD32  AliveSessionID;

    if (state != XDM_AWAIT_ALIVE_RESPONSE)
	return;
    if (length != 5)
	return;
    if (XdmcpReadCARD8 (&buffer, &SessionRunning) &&
	XdmcpReadCARD32 (&buffer, &AliveSessionID))
    {
    	if (SessionRunning && AliveSessionID == SessionID)
    	{
	    /* backoff dormancy period */
	    state = XDM_RUN_SESSION;
	    if ((GetTimeInMillis() - lastDeviceEventTime.milliseconds) >
		keepaliveDormancy * 1000)
	    {
		keepaliveDormancy <<= 1;
		if (keepaliveDormancy > XDM_MAX_DORMANCY)
		    keepaliveDormancy = XDM_MAX_DORMANCY;
	    }
	    timeOutTime = GetTimeInMillis() + keepaliveDormancy * 1000;
    	}
	else
    	{
	    XdmcpDeadSession ("Alive respose indicates session dead");
    	}
    }
}

static int
MouseFlush (Kbufio *b, char *buf, int size)
{
    CARD32  now = GetTimeInMillis ();
    CARD32  done = now + 100;
    int	    c;
    int	    n = 0;
    
    while ((c = MouseReadByte (b, done - now)) != -1)
    {
	if (buf)
	{
	    if (n == size)
	    {
		memmove (buf, buf + 1, size - 1);
		n--;
	    }
	    buf[n++] = c;
	}
	now = GetTimeInMillis ();
	if ((INT32) (now - done) >= 0)
	    break;
    }
    return n;
}

/*
 * TimeSinceLastInputEvent --
 *      Function used for screensaver purposes by the os module. Returns the
 *      time in milliseconds since there last was any input.
 */
int
TimeSinceLastInputEvent(void)
{
  if (xf86Info.lastEventTime == 0) {
    xf86Info.lastEventTime = GetTimeInMillis();
  }
  return GetTimeInMillis() - xf86Info.lastEventTime;
}

static void
AccessXKeyboardEvent(DeviceIntPtr	keybd,
                     BYTE		type,
                     BYTE		keyCode,
                     Bool		isRepeat)
{
    xEvent		xE;

    xE.u.u.type = type;
    xE.u.u.detail = keyCode;
    xE.u.keyButtonPointer.time = GetTimeInMillis();
#ifdef DEBUG
    if (xkbDebugFlags&0x8) {
        ErrorF("AXKE: Key %d %s\n",keyCode,(xE.u.u.type==KeyPress?"down":"up"));
    }
#endif

    if (_XkbIsPressEvent(type))
        XkbDDXKeyClick(keybd,keyCode,TRUE);
    else if (isRepeat)
        XkbLastRepeatEvent=	(pointer)&xE;
    XkbProcessKeyboardEvent(&xE,keybd,1L);
    XkbLastRepeatEvent= NULL;
    return;

} /* AccessXKeyboardEvent */

void
rfbSetXCutText(char *str, int len)
{
    int i = 0;

    inSetXCutText = TRUE;
    ChangeWindowProperty(WindowTable[0], XA_CUT_BUFFER0, XA_STRING,
			 8, PropModeReplace, len,
			 (pointer)str, TRUE);
    
    while ((i < NumCurrentSelections) && 
	   CurrentSelections[i].selection != XA_PRIMARY)
	i++;

    if (i < NumCurrentSelections) {
	xEvent event;

	if (CurrentSelections[i].client) {
	    event.u.u.type = SelectionClear;
	    event.u.selectionClear.time = GetTimeInMillis();
	    event.u.selectionClear.window = CurrentSelections[i].window;
	    event.u.selectionClear.atom = CurrentSelections[i].selection;
	    (void) TryClientEvents (CurrentSelections[i].client, &event, 1,
				NoEventMask, NoEventMask /* CantBeFiltered */,
				NullGrab);
	}

	CurrentSelections[i].window = None;
	CurrentSelections[i].pWin = NULL;
	CurrentSelections[i].client = NullClient;
    }

    inSetXCutText = FALSE;
}

void
SendKeepAliveEvent(ClientPtr client)
{
    fsKeepAliveEvent ev;

    ev.type = FS_Event;
    ev.event_code = KeepAlive;
    ev.sequenceNumber = client->sequence;
    ev.length = SIZEOF(fsKeepAliveEvent) >> 2;
    ev.timestamp = GetTimeInMillis();

#ifdef DEBUG
    fprintf(stderr, "client #%d is getting a KeepAlive\n", client->index);
#endif

    if (client->swapped) {
	/* SErrorEvent requires two fsError pointers */
	fsError evTo;
	
	SErrorEvent((fsError *) & ev, (fsError *) &evTo);
	(void) WriteToClient(client, SIZEOF(fsKeepAliveEvent), (char *) &evTo);
    } else {
	(void) WriteToClient(client, SIZEOF(fsKeepAliveEvent), (char *) &ev);
    }
}

void TimerCheck(void)
{
	unsigned int now = GetTimeInMillis();

	while (timers && (int)(timers->expires - now) <= 0)
		DoTimer(timers, now, &timers);
}

static Bool
AnimCurDisplayCursor (ScreenPtr pScreen,
		      CursorPtr pCursor)
{
    AnimCurScreenPtr    as = GetAnimCurScreen(pScreen);
    Bool		ret;

    Unwrap (as, pScreen, DisplayCursor);
    if (IsAnimCur(pCursor))
    {
	if (pCursor != animCurState.pCursor)
	{
	    AnimCurPtr		ac = GetAnimCur(pCursor);

	    ret = (*pScreen->DisplayCursor) (pScreen, ac->elts[0].pCursor);
	    if (ret)
	    {
		animCurState.elt = 0;
		animCurState.time = GetTimeInMillis () + ac->elts[0].delay;
		animCurState.pCursor = pCursor;
		animCurState.pScreen = pScreen;
	    }
	}
	else
	    ret = TRUE;
    }
    else
    {
        animCurState.pCursor = 0;
	animCurState.pScreen = 0;
	ret = (*pScreen->DisplayCursor) (pScreen, pCursor);
    }
    Wrap (as, pScreen, DisplayCursor, AnimCurDisplayCursor);
    return ret;
}

static void
send_packet(void)
{
    int rtx;

    switch (state) {
    case XDM_QUERY:
    case XDM_BROADCAST:
    case XDM_INDIRECT:
#if defined(IPv6)  && defined(AF_INET6)
    case XDM_MULTICAST:
#endif
        send_query_msg();
        break;
    case XDM_START_CONNECTION:
        send_request_msg();
        break;
    case XDM_MANAGE:
        send_manage_msg();
        break;
    case XDM_KEEPALIVE:
        send_keepalive_msg();
        break;
    default:
        break;
    }
    rtx = (XDM_MIN_RTX << timeOutRtx);
    if (rtx > XDM_MAX_RTX)
        rtx = XDM_MAX_RTX;
    timeOutTime = GetTimeInMillis() + rtx * 1000;
}

static void wcmFingerTapToClick(WacomDevicePtr priv)
{
	WacomCommonPtr common = priv->common;
	WacomChannelPtr firstChannel = common->wcmChannel;
	WacomChannelPtr secondChannel = common->wcmChannel + 1;
	WacomDeviceState ds[2] = { firstChannel->valid.states[0],
				   secondChannel->valid.states[0] };
	WacomDeviceState dsLast[2] = { firstChannel->valid.states[1],
					secondChannel->valid.states[1] };

	DBG(10, priv, "\n");

	/* process second finger tap if matched */
	if ((ds[0].sample < ds[1].sample) &&
	    ((GetTimeInMillis() -
	    dsLast[1].sample) <= common->wcmGestureParameters.wcmTapTime) &&
	    !ds[1].proximity && dsLast[1].proximity)
	{
		/* send left up before sending right down */
		wcmSendButtonClick(priv, 1, 0);
		common->wcmGestureMode = GESTURE_TAP_MODE;

		/* right button down */
		wcmSendButtonClick(priv, 3, 1);

		/* right button up */
		wcmSendButtonClick(priv, 3, 0);
	}
}

static void
do_butmap_change(DeviceIntPtr dev, CARD8 *map, int len, ClientPtr client)
{
    int i;
    xEvent core_mn;
    deviceMappingNotify xi_mn;

    /* The map in ButtonClassRec refers to button numbers, whereas the
     * protocol is zero-indexed.  Sigh. */
    memcpy(&(dev->button->map[1]), map, len);

    core_mn.u.u.type = MappingNotify;
    core_mn.u.mappingNotify.request = MappingPointer;

    /* 0 is the server client. */
    for (i = 1; i < currentMaxClients; i++) {
        /* Don't send irrelevant events to naïve clients. */
        if (!clients[i] || clients[i]->clientState != ClientStateRunning)
            continue;

        if (!XIShouldNotify(clients[i], dev))
            continue;

        core_mn.u.u.sequenceNumber = clients[i]->sequence;
        WriteEventsToClient(clients[i], 1, &core_mn);
    }

    xi_mn.type = DeviceMappingNotify;
    xi_mn.request = MappingPointer;
    xi_mn.deviceid = dev->id;
    xi_mn.time = GetTimeInMillis();

    SendEventToAllWindows(dev, DeviceMappingNotifyMask, (xEvent *) &xi_mn, 1);
}

static void
AnimCurScreenBlockHandler (int screenNum,
			   pointer blockData,
			   pointer pTimeout,
			   pointer pReadmask)
{
    ScreenPtr		pScreen = screenInfo.screens[screenNum];
    AnimCurScreenPtr    as = GetAnimCurScreen(pScreen);
    DeviceIntPtr        dev;
    Bool                activeDevice = FALSE;
    CARD32              now = 0, 
                        soonest = ~0; /* earliest time to wakeup again */

    for (dev = inputInfo.devices; dev; dev = dev->next)
    {
	if (IsPointerDevice(dev) && pScreen == dev->spriteInfo->anim.pScreen)
	{
	    if (!activeDevice) {
                now = GetTimeInMillis ();
                activeDevice = TRUE;
            }

	    if ((INT32) (now - dev->spriteInfo->anim.time) >= 0)
	    {
		AnimCurPtr ac  = GetAnimCur(dev->spriteInfo->anim.pCursor);
		int        elt = (dev->spriteInfo->anim.elt + 1) % ac->nelt;
		DisplayCursorProcPtr DisplayCursor;

		/*
		 * Not a simple Unwrap/Wrap as this
		 * isn't called along the DisplayCursor 
		 * wrapper chain.
		 */
		DisplayCursor = pScreen->DisplayCursor;
		pScreen->DisplayCursor = as->DisplayCursor;
		(void) (*pScreen->DisplayCursor) (dev,
						  pScreen, 
						  ac->elts[elt].pCursor);
		as->DisplayCursor = pScreen->DisplayCursor;
		pScreen->DisplayCursor = DisplayCursor;

		dev->spriteInfo->anim.elt = elt;
		dev->spriteInfo->anim.time = now + ac->elts[elt].delay;
	    }

	    if (soonest > dev->spriteInfo->anim.time)
		soonest = dev->spriteInfo->anim.time;
	}
    }

    if (activeDevice)
        AdjustWaitForDelay (pTimeout, soonest - now);

    Unwrap (as, pScreen, BlockHandler);
    (*pScreen->BlockHandler) (screenNum, blockData, pTimeout, pReadmask);
    if (activeDevice)
        Wrap (as, pScreen, BlockHandler, AnimCurScreenBlockHandler);
    else
        as->BlockHandler = NULL;
}

static void
SertafiedBlockHandler(void *data, void *wt)
{
    SertafiedPtr pReq, pNext;
    unsigned long delay;
    TimeStamp now;

    if (!pPending)
        return;
    now.milliseconds = GetTimeInMillis();
    now.months = currentTime.months;
    if ((int) (now.milliseconds - currentTime.milliseconds) < 0)
        now.months++;
    for (pReq = pPending; pReq; pReq = pNext) {
        pNext = pReq->next;
        if (CompareTimeStamps(pReq->revive, now) == LATER)
            break;
        FreeResource(pReq->id, RT_NONE);

        /* AttendClient() may have been called via the resource delete
         * function so a client may have input to be processed and so
         *  set delay to 0 to prevent blocking in WaitForSomething().
         */
        AdjustWaitForDelay(wt, 0);
    }
    pReq = pPending;
    if (!pReq)
        return;
    delay = pReq->revive.milliseconds - now.milliseconds;
    AdjustWaitForDelay(wt, delay);
}