[fireball] 34232: Yuri Sidorov <[e-mail]> - Prevent boolean flags from being optimized away by compiler (due to PSEH usage) by making them volatile. See issue #3408 for more details.

Author: fireball
Date: Tue Jul  1 05:48:50 2008
New Revision: 34232

URL: http://svn.reactos.org/svn/reactos?rev=34232&view=rev
Log:
Yuri Sidorov <jura(a)cp-lab.com>
- Prevent boolean flags from being optimized away by compiler (due to PSEH usage) by
making them volatile.
See issue #3408 for more details.

Modified:
    trunk/reactos/ntoskrnl/mm/virtual.c

Modified: trunk/reactos/ntoskrnl/mm/virtual.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/mm/virtual.c?rev=…
==============================================================================
--- trunk/reactos/ntoskrnl/mm/virtual.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/mm/virtual.c [iso-8859-1] Tue Jul  1 05:48:50 2008
@@ -70,7 +70,7 @@
     PFN_NUMBER MdlBuffer[(sizeof(MDL) / sizeof(PFN_NUMBER)) + MI_MAPPED_COPY_PAGES + 1];
     PMDL Mdl = (PMDL)MdlBuffer;
     ULONG TotalSize, CurrentSize, RemainingSize;
-    BOOLEAN FailedInProbe = FALSE, FailedInMapping = FALSE, FailedInMoving;
+    volatile BOOLEAN FailedInProbe = FALSE, FailedInMapping = FALSE, FailedInMoving;
     BOOLEAN PagesLocked;
     PVOID CurrentAddress = SourceAddress, CurrentTargetAddress = TargetAddress;
     PVOID MdlAddress;
@@ -225,7 +225,7 @@
 {
     UCHAR StackBuffer[MI_POOL_COPY_BYTES];
     ULONG TotalSize, CurrentSize, RemainingSize;
-    BOOLEAN FailedInProbe = FALSE, FailedInMoving, HavePoolAddress = FALSE;
+    volatile BOOLEAN FailedInProbe = FALSE, FailedInMoving, HavePoolAddress = FALSE;
     PVOID CurrentAddress = SourceAddress, CurrentTargetAddress = TargetAddress;
     PVOID PoolAddress;
     KAPC_STATE ApcState;