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[WIN32K]

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Lock PDC with pDevObj semaphore too.

svn path=/branches/reactos-yarotows/; revision=46470
This commit is contained in:
Jérôme Gardou 2010-03-26 16:17:12 +00:00
parent 33f63724b1
commit 76085ba982
2 changed files with 7 additions and 4 deletions
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6
subsystems/win32/win32k/include/dc.h
View file

@ -167,8 +167,8 @@ FORCEINLINE
DC_LockDc(HDC hdc)
{
PDC pdc;
pdc = GDIOBJ_LockObj(hdc, GDI_OBJECT_TYPE_DC);
// EngAcquireSemaphoreShared(pdc->ppdev->hsemDevLock);
pdc = GDIOBJ_LockObj(hdc, GDILoObjType_LO_DC_TYPE);
if(pdc) EngAcquireSemaphoreShared(pdc->ppdev->hsemDevLock);
return pdc;
}
@ -176,7 +176,7 @@ void
FORCEINLINE
DC_UnlockDc(PDC pdc)
{
// EngReleaseSemaphore(pdc->ppdev->hsemDevLock);
EngReleaseSemaphore(pdc->ppdev->hsemDevLock);
GDIOBJ_UnlockObjByPtr(&pdc->BaseObject);
}

5
subsystems/win32/win32k/objects/dclife.c
View file

@ -117,6 +117,8 @@ DC_vInitDc(
DCTYPE dctype,
PPDEVOBJ ppdev)
{
/* Lock ppdev */
EngAcquireSemaphoreShared(ppdev->hsemDevLock);
/* Setup some basic fields */
pdc->dctype = dctype;
@ -477,6 +479,7 @@ GreOpenDCW(
}
hdc = pdc->BaseObject.hHmgr;
/* Lock ppdev and initialize the new DC */
DC_vInitDc(pdc, iType, ppdev);
/* FIXME: HACK! */
DC_InitHack(pdc);
@ -638,7 +641,7 @@ NtGdiCreateCompatibleDC(HDC hdc)
}
hdcNew = pdcNew->BaseObject.hHmgr;
/* Initialize the new DC */
/* Lock ppdev and initialize the new DC */
DC_vInitDc(pdcNew, DCTYPE_MEMORY, ppdev);
/* FIXME: HACK! */
DC_InitHack(pdcNew);