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- Resolve two GDI handle leaks
- Faster GDI handle allocation strategy svn path=/trunk/; revision=7952
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@ -16,7 +16,7 @@
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Id: painting.c,v 1.64 2004/01/21 17:23:55 navaraf Exp $
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* $Id: painting.c,v 1.65 2004/02/01 08:07:07 navaraf Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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@ -147,6 +147,8 @@ IntGetNCUpdateRegion(PWINDOW_OBJECT Window)
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Window->UpdateRegion = NULL;
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}
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NtGdiDeleteObject(WindowRgn);
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return NonclientRgn;
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}
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@ -554,7 +556,7 @@ IntRedrawWindow(PWINDOW_OBJECT Window, const RECT* UpdateRect, HRGN UpdateRgn,
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* Cleanup ;-)
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*/
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if (NULL != hRgn)
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if (hRgn != NULL)
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{
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NtGdiDeleteObject(hRgn);
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}
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@ -931,6 +933,7 @@ NtUserGetUpdateRect(HWND hWnd, LPRECT lpRect, BOOL fErase)
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NtUserGetUpdateRgn(hWnd, hRgn, fErase);
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NtGdiGetRgnBox(hRgn, lpRect);
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NtGdiDeleteObject(hRgn);
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return lpRect->left < lpRect->right && lpRect->top < lpRect->bottom;
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}
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@ -19,7 +19,7 @@
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/*
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* GDIOBJ.C - GDI object manipulation routines
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*
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* $Id: gdiobj.c,v 1.57 2004/01/30 13:11:52 rcampbell Exp $
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* $Id: gdiobj.c,v 1.58 2004/02/01 08:07:07 navaraf Exp $
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*
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*/
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@ -84,6 +84,7 @@ typedef struct _GDI_HANDLE_TABLE
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{
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WORD wTableSize;
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PGDIOBJHDR Handles[1];
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WORD AllocationHint;
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} GDI_HANDLE_TABLE, *PGDI_HANDLE_TABLE;
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/* GDI stock objects */
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@ -176,6 +177,7 @@ GDIOBJ_iAllocHandleTable (WORD Size)
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0,
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sizeof(GDI_HANDLE_TABLE) + sizeof(PGDIOBJ) * Size);
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handleTable->wTableSize = Size;
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handleTable->AllocationHint = 1;
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ExReleaseFastMutexUnsafe (&HandleTableMutex);
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KfLowerIrql(PrevIrql);
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@ -204,17 +206,31 @@ GDIOBJ_iGetObjectForIndex(WORD TableIndex)
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static WORD FASTCALL
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GDIOBJ_iGetNextOpenHandleIndex (void)
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{
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WORD tableIndex;
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WORD tableIndex;
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for (tableIndex = 1; tableIndex < HandleTable->wTableSize; tableIndex++)
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{
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if (NULL == HandleTable->Handles[tableIndex])
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{
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break;
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}
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}
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for (tableIndex = HandleTable->AllocationHint;
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tableIndex < HandleTable->wTableSize;
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tableIndex++)
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{
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if (HandleTable->Handles[tableIndex] == NULL)
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{
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HandleTable->AllocationHint = tableIndex + 1;
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return tableIndex;
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}
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}
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return (tableIndex < HandleTable->wTableSize) ? tableIndex : 0;
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for (tableIndex = 1;
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tableIndex < HandleTable->AllocationHint;
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tableIndex++)
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{
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if (HandleTable->Handles[tableIndex] == NULL)
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{
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HandleTable->AllocationHint = tableIndex + 1;
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return tableIndex;
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}
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}
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return 0;
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}
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/*!
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