Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-12-27 01:24:38 +00:00
Code Issues Projects Releases Packages Wiki Activity

On thread termination, destroy all windows owned by that thread

Browse source 
svn path=/trunk/; revision=4966
This commit is contained in:
Gé van Geldorp 2003-06-25 22:37:07 +00:00
parent 91e44fd859
commit 9aea24bfae
3 changed files with 63 additions and 25 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
reactos/include/win32k/misc.h
View file

@ -1,6 +1,8 @@
#ifndef __WIN32K_MISC_H
#define __WIN32K_MISC_H
#include <internal/ps.h>
/* Process context in which miniport driver is opened/used */
extern PEPROCESS W32kDeviceProcess;
@ -8,4 +10,8 @@ BOOLEAN
STDCALL
W32kInitialize (VOID);
VOID
FASTCALL
DestroyThreadWindows(PETHREAD Thread);
#endif /* __WIN32K_MISC_H */

4
reactos/subsys/win32k/main/dllmain.c
View file

@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: dllmain.c,v 1.39 2003/06/20 16:25:13 ekohl Exp $
/* $Id: dllmain.c,v 1.40 2003/06/25 22:37:07 gvg Exp $
*
* Entry Point for win32k.sys
*/
@ -145,7 +145,7 @@ W32kThreadCallback (struct _ETHREAD *Thread,
#endif
RemoveTimersThread(Thread->Cid.UniqueThread);
DestroyThreadWindows(Thread);
}
return STATUS_SUCCESS;

78
reactos/subsys/win32k/ntuser/window.c
View file

@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: window.c,v 1.57 2003/06/20 16:26:14 ekohl Exp $
/* $Id: window.c,v 1.58 2003/06/25 22:37:07 gvg Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -811,12 +811,11 @@ static void W32kSendDestroyMsg(HWND Wnd)
#endif
}
static BOOL W32kWndBelongsToCurrentThread(PWINDOW_OBJECT Window)
static BOOLEAN W32kWndBelongsToThread(PWINDOW_OBJECT Window, PW32THREAD ThreadData)
{
PW32THREAD ThreadData = PsGetWin32Thread();
PLIST_ENTRY Current;
PWINDOW_OBJECT ThreadWindow;
BOOL Belongs = FALSE;
BOOLEAN Belongs = FALSE;
ExAcquireFastMutexUnsafe(&ThreadData->WindowListLock);
/* If there's no win32k thread data then this thread hasn't created any windows */
@ -881,14 +880,17 @@ static BOOL BuildChildWindowArray(PWINDOW_OBJECT Window, HWND **Children, unsign
*
* Destroy storage associated to a window. "Internals" p.358
*/
static LRESULT W32kDestroyWindow(PWINDOW_OBJECT Window)
static LRESULT W32kDestroyWindow(PWINDOW_OBJECT Window,
PW32PROCESS ProcessData,
PW32THREAD ThreadData,
BOOLEAN SendMessages)
{
HWND *Children;
unsigned NumChildren;
unsigned Index;
PWINDOW_OBJECT Child;
if (! W32kWndBelongsToCurrentThread(Window))
if (! W32kWndBelongsToThread(Window, ThreadData))
{
DPRINT1("Window doesn't belong to current thread\n");
return 0;
@ -904,9 +906,9 @@ static LRESULT W32kDestroyWindow(PWINDOW_OBJECT Window)
Child = W32kGetWindowObject(Children[Index - 1]);
if (NULL != Child)
{
if (W32kWndBelongsToCurrentThread(Child))
if (W32kWndBelongsToThread(Child, ThreadData))
{
W32kDestroyWindow(Child);
W32kDestroyWindow(Child, ProcessData, ThreadData, SendMessages);
}
#if 0 /* FIXME */
else
@ -921,18 +923,21 @@ static LRESULT W32kDestroyWindow(PWINDOW_OBJECT Window)
ExFreePool(Children);
}
/*
* Clear the update region to make sure no WM_PAINT messages will be
* generated for this window while processing the WM_NCDESTROY.
*/
PaintRedrawWindow(Window->Self, NULL, 0,
RDW_VALIDATE | RDW_NOFRAME | RDW_NOERASE | RDW_NOINTERNALPAINT | RDW_NOCHILDREN,
0);
if (SendMessages)
{
/*
* Clear the update region to make sure no WM_PAINT messages will be
* generated for this window while processing the WM_NCDESTROY.
*/
PaintRedrawWindow(Window->Self, NULL, 0,
RDW_VALIDATE | RDW_NOFRAME | RDW_NOERASE | RDW_NOINTERNALPAINT | RDW_NOCHILDREN,
0);
/*
* Send the WM_NCDESTROY to the window being destroyed.
*/
NtUserSendMessage(Window->Self, WM_NCDESTROY, 0, 0);
/*
* Send the WM_NCDESTROY to the window being destroyed.
*/
NtUserSendMessage(Window->Self, WM_NCDESTROY, 0, 0);
}
/* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */
@ -969,7 +974,7 @@ static LRESULT W32kDestroyWindow(PWINDOW_OBJECT Window)
RemoveEntryList(&Window->DesktopListEntry);
RemoveEntryList(&Window->ThreadListEntry);
Window->Class = NULL;
ObmCloseHandle(PsGetWin32Process()->WindowStation->HandleTable, Window->Self);
ObmCloseHandle(ProcessData->WindowStation->HandleTable, Window->Self);
W32kGraphicsCheck(FALSE);
@ -988,8 +993,6 @@ NtUserDestroyWindow(HWND Wnd)
return FALSE;
}
/* FIXME: check if window belongs to current thread */
/* Check for desktop window (has NULL parent) */
if (NULL == Window->Parent)
{
@ -1112,11 +1115,40 @@ NtUserDestroyWindow(HWND Wnd)
#endif
/* Destroy the window storage */
W32kDestroyWindow(Window);
W32kDestroyWindow(Window, PsGetWin32Process(), PsGetWin32Thread(), TRUE);
return TRUE;
}
VOID FASTCALL
DestroyThreadWindows(PETHREAD Thread)
{
PLIST_ENTRY LastHead;
PW32PROCESS Win32Process;
PW32THREAD Win32Thread;
PWINDOW_OBJECT Window;
Win32Thread = Thread->Win32Thread;
Win32Process = Thread->ThreadsProcess->Win32Process;
ExAcquireFastMutexUnsafe(&Win32Thread->WindowListLock);
LastHead = NULL;
while (Win32Thread->WindowListHead.Flink != &(Win32Thread->WindowListHead) &&
Win32Thread->WindowListHead.Flink != LastHead)
{
LastHead = Win32Thread->WindowListHead.Flink;
Window = CONTAINING_RECORD(Win32Thread->WindowListHead.Flink, WINDOW_OBJECT, ThreadListEntry);
ExReleaseFastMutexUnsafe(&Win32Thread->WindowListLock);
W32kDestroyWindow(Window, Win32Process, Win32Thread, FALSE);
ExAcquireFastMutexUnsafe(&Win32Thread->WindowListLock);
}
if (Win32Thread->WindowListHead.Flink == LastHead)
{
/* Window at head of list was not removed, should never happen, infinite loop */
KeBugCheck(0);
}
ExReleaseFastMutexUnsafe(&Win32Thread->WindowListLock);
}
DWORD STDCALL
NtUserEndDeferWindowPosEx(DWORD Unknown0,
DWORD Unknown1)