UINT_PTR FASTCALL
IntSetTimer(HWND Wnd, UINT_PTR IDEvent, UINT Elapse, TIMERPROC TimerFunc, BOOL SystemTimer)
{
- PWINDOW_OBJECT WindowObject;
- UINT_PTR Ret = 0;
+ PWINDOW_OBJECT WindowObject;
+ UINT_PTR Ret = 0;
- DPRINT("IntSetTimer wnd %x id %p elapse %u timerproc %p systemtimer %s\n",
- Wnd, IDEvent, Elapse, TimerFunc, SystemTimer ? "TRUE" : "FALSE");
+ DPRINT("IntSetTimer wnd %x id %p elapse %u timerproc %p systemtimer %s\n",
+ Wnd, IDEvent, Elapse, TimerFunc, SystemTimer ? "TRUE" : "FALSE");
- if ((Wnd == NULL) && ! SystemTimer)
- {
+ if ((Wnd == NULL) && ! SystemTimer)
+ {
DPRINT("Window-less timer\n");
/* find a free, window-less timer id */
IntLockWindowlessTimerBitmap();
IDEvent = RtlFindClearBitsAndSet(&WindowLessTimersBitMap, 1, HintIndex);
if (IDEvent == (UINT_PTR) -1)
- {
- IntUnlockWindowlessTimerBitmap();
- DPRINT1("Unable to find a free window-less timer id\n");
- SetLastWin32Error(ERROR_NO_SYSTEM_RESOURCES);
- return 0;
- }
+ {
+ IntUnlockWindowlessTimerBitmap();
+ DPRINT1("Unable to find a free window-less timer id\n");
+ SetLastWin32Error(ERROR_NO_SYSTEM_RESOURCES);
+ return 0;
+ }
HintIndex = ++IDEvent;
IntUnlockWindowlessTimerBitmap();
Ret = IDEvent;
- }
- else
- {
+ }
+ else
+ {
WindowObject = IntGetWindowObject(Wnd);
if (! WindowObject)
- {
- DPRINT1("Invalid window handle\n");
- SetLastWin32Error(ERROR_INVALID_WINDOW_HANDLE);
- return 0;
- }
+ {
+ DPRINT1("Invalid window handle\n");
+ SetLastWin32Error(ERROR_INVALID_WINDOW_HANDLE);
+ return 0;
+ }
if (WindowObject->OwnerThread->ThreadsProcess != PsGetCurrentProcess())
- {
- IntReleaseWindowObject(WindowObject);
- DPRINT1("Trying to set timer for window in another process (shatter attack?)\n");
- SetLastWin32Error(ERROR_ACCESS_DENIED);
- return 0;
- }
+ {
+ IntReleaseWindowObject(WindowObject);
+ DPRINT1("Trying to set timer for window in another process (shatter attack?)\n");
+ SetLastWin32Error(ERROR_ACCESS_DENIED);
+ return 0;
+ }
IntReleaseWindowObject(WindowObject);
Ret = IDEvent;
- }
+ }
- #if 1
+#if 1
- /* Win NT/2k/XP */
- if (Elapse > 0x7fffffff)
- {
+ /* Win NT/2k/XP */
+ if (Elapse > 0x7fffffff)
+ {
DPRINT("Adjusting uElapse\n");
Elapse = 1;
- }
+ }
- #else
+#else
- /* Win Server 2003 */
- if (Elapse > 0x7fffffff)
- {
+ /* Win Server 2003 */
+ if (Elapse > 0x7fffffff)
+ {
DPRINT("Adjusting uElapse\n");
Elapse = 0x7fffffff;
- }
+ }
- #endif
+#endif
- /* Win 2k/XP */
- if (Elapse < 10)
- {
+ /* Win 2k/XP */
+ if (Elapse < 10)
+ {
DPRINT("Adjusting uElapse\n");
Elapse = 10;
- }
+ }
- if (! MsqSetTimer(PsGetWin32Thread()->MessageQueue, Wnd,
- IDEvent, Elapse, TimerFunc,
- SystemTimer ? WM_SYSTIMER : WM_TIMER))
- {
+ if (! MsqSetTimer(PsGetWin32Thread()->MessageQueue, Wnd,
+ IDEvent, Elapse, TimerFunc,
+ SystemTimer ? WM_SYSTIMER : WM_TIMER))
+ {
DPRINT1("Failed to set timer in message queue\n");
SetLastWin32Error(ERROR_NO_SYSTEM_RESOURCES);
return 0;
- }
+ }
- return Ret;
+ return Ret;
}
BOOL FASTCALL
IntKillTimer(HWND Wnd, UINT_PTR IDEvent, BOOL SystemTimer)
{
- DPRINT("IntKillTimer wnd %x id %p systemtimer %s\n",
- Wnd, IDEvent, SystemTimer ? "TRUE" : "FALSE");
+ DPRINT("IntKillTimer wnd %x id %p systemtimer %s\n",
+ Wnd, IDEvent, SystemTimer ? "TRUE" : "FALSE");
- if (! MsqKillTimer(PsGetWin32Thread()->MessageQueue, Wnd,
- IDEvent, SystemTimer ? WM_SYSTIMER : WM_TIMER))
- {
+ if (! MsqKillTimer(PsGetWin32Thread()->MessageQueue, Wnd,
+ IDEvent, SystemTimer ? WM_SYSTIMER : WM_TIMER))
+ {
DPRINT1("Unable to locate timer in message queue\n");
SetLastWin32Error(ERROR_INVALID_PARAMETER);
return FALSE;
- }
+ }
- /* window-less timer? */
- if ((Wnd == NULL) && ! SystemTimer)
- {
+ /* window-less timer? */
+ if ((Wnd == NULL) && ! SystemTimer)
+ {
/* Release the id */
IntLockWindowlessTimerBitmap();
RtlClearBits(&WindowLessTimersBitMap, IDEvent - 1, 1);
IntUnlockWindowlessTimerBitmap();
- }
+ }
- return TRUE;
+ return TRUE;
}
NTSTATUS FASTCALL
InitTimerImpl(VOID)
{
- ULONG BitmapBytes;
+ ULONG BitmapBytes;
- ExInitializeFastMutex(&Mutex);
+ ExInitializeFastMutex(&Mutex);
- BitmapBytes = ROUND_UP(NUM_WINDOW_LESS_TIMERS, sizeof(ULONG) * 8) / 8;
- WindowLessTimersBitMapBuffer = ExAllocatePoolWithTag(PagedPool, BitmapBytes, TAG_TIMERBMP);
- RtlInitializeBitMap(&WindowLessTimersBitMap,
- WindowLessTimersBitMapBuffer,
- BitmapBytes * 8);
+ BitmapBytes = ROUND_UP(NUM_WINDOW_LESS_TIMERS, sizeof(ULONG) * 8) / 8;
+ WindowLessTimersBitMapBuffer = ExAllocatePoolWithTag(PagedPool, BitmapBytes, TAG_TIMERBMP);
+ RtlInitializeBitMap(&WindowLessTimersBitMap,
+ WindowLessTimersBitMapBuffer,
+ BitmapBytes * 8);
- /* yes we need this, since ExAllocatePool isn't supposed to zero out allocated memory */
- RtlClearAllBits(&WindowLessTimersBitMap);
+ /* yes we need this, since ExAllocatePool isn't supposed to zero out allocated memory */
+ RtlClearAllBits(&WindowLessTimersBitMap);
- return STATUS_SUCCESS;
+ return STATUS_SUCCESS;
}
STDCALL
NtUserSetTimer
(
- HWND hWnd,
- UINT_PTR nIDEvent,
- UINT uElapse,
- TIMERPROC lpTimerFunc
+ HWND hWnd,
+ UINT_PTR nIDEvent,
+ UINT uElapse,
+ TIMERPROC lpTimerFunc
)
{
DECLARE_RETURN(UINT_PTR);
DPRINT("Enter NtUserSetTimer\n");
UserEnterExclusive();
-
+
RETURN(IntSetTimer(hWnd, nIDEvent, uElapse, lpTimerFunc, FALSE));
-
+
CLEANUP:
DPRINT("Leave NtUserSetTimer, ret=%i\n", _ret_);
UserLeave();
STDCALL
NtUserKillTimer
(
- HWND hWnd,
- UINT_PTR uIDEvent
+ HWND hWnd,
+ UINT_PTR uIDEvent
)
{
DECLARE_RETURN(BOOL);
DPRINT("Enter NtUserKillTimer\n");
UserEnterExclusive();
-
+
RETURN(IntKillTimer(hWnd, uIDEvent, FALSE));
-
+
CLEANUP:
DPRINT("Leave NtUserKillTimer, ret=%i\n", _ret_);
UserLeave();
UINT_PTR
STDCALL
NtUserSetSystemTimer(
- HWND hWnd,
- UINT_PTR nIDEvent,
- UINT uElapse,
- TIMERPROC lpTimerFunc
+ HWND hWnd,
+ UINT_PTR nIDEvent,
+ UINT uElapse,
+ TIMERPROC lpTimerFunc
)
{
DECLARE_RETURN(UINT_PTR);
DPRINT("Enter NtUserSetSystemTimer\n");
UserEnterExclusive();
-
+
RETURN(IntSetTimer(hWnd, nIDEvent, uElapse, lpTimerFunc, TRUE));
-
+
CLEANUP:
DPRINT("Leave NtUserSetSystemTimer, ret=%i\n", _ret_);
UserLeave();
BOOL
STDCALL
NtUserKillSystemTimer(
- HWND hWnd,
- UINT_PTR uIDEvent
+ HWND hWnd,
+ UINT_PTR uIDEvent
)
{
DECLARE_RETURN(BOOL);
DPRINT("Enter NtUserKillSystemTimer\n");
UserEnterExclusive();
-
+
RETURN(IntKillTimer(hWnd, uIDEvent, TRUE));
-
+
CLEANUP:
DPRINT("Leave NtUserKillSystemTimer, ret=%i\n", _ret_);
UserLeave();
projects / reactos.git / blobdiff