[ros-diffs] [jimtabor] 32767: Help Stefan out with SEH. It seems to run faster. I guess.

Author: jimtabor
Date: Wed Mar 26 12:49:18 2008
New Revision: 32767

URL: http://svn.reactos.org/svn/reactos?rev=3D32767&view=3Drev
Log:
Help Stefan out with SEH. It seems to run faster. I guess.

Modified:
    trunk/reactos/subsystems/win32/win32k/objects/dcutil.c

Modified: trunk/reactos/subsystems/win32/win32k/objects/dcutil.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win3=
2k/objects/dcutil.c?rev=3D32767&r1=3D32766&r2=3D32767&view=3Ddiff
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
--- trunk/reactos/subsystems/win32/win32k/objects/dcutil.c (original)
+++ trunk/reactos/subsystems/win32/win32k/objects/dcutil.c Wed Mar 26 12:49=
:18 2008
@@ -112,10 +112,24 @@
 VOID
 CopytoUserDcAttr(PDC dc, PDC_ATTR Dc_Attr)
 {
+  NTSTATUS Status =3D STATUS_SUCCESS;
   XForm2MatrixS( &dc->Dc_Attr.mxWorldToDevice, &dc->w.xformWorld2Vport);
   XForm2MatrixS( &dc->Dc_Attr.mxDevicetoWorld, &dc->w.xformVport2World);
   XForm2MatrixS( &dc->Dc_Attr.mxWorldToPage, &dc->w.xformWorld2Wnd);
-  MmCopyToCaller(Dc_Attr, &dc->Dc_Attr, sizeof(DC_ATTR));
+  _SEH_TRY
+  {
+      ProbeForWrite( Dc_Attr,
+             sizeof(DC_ATTR),
+                           1);
+      RtlCopyMemory( Dc_Attr,
+                &dc->Dc_Attr,
+             sizeof(DC_ATTR));
+  }
+  _SEH_HANDLE
+  {
+     Status =3D _SEH_GetExceptionCode();
+  }
+  _SEH_END;
 }
 =

=