Changeset 1084 in vbox for trunk

Timestamp:

Feb 28, 2007 8:33:39 AM (18 years ago)

Author:

vboxsync

Message:

VBoxGuest: atomic access to event type mask

File:

• trunk/src/VBox/Additions/WINNT/VBoxGuest/VBoxGuest.cpp (modified) (2 diffs)

trunk/src/VBox/Additions/WINNT/VBoxGuest/VBoxGuest.cpp

@@ -381 +381 @@
 {
     _asm {
-        btr PVBOXGUESTDEVEXT[ecx].u32Events, edx;
+        lock btr PVBOXGUESTDEVEXT[ecx].u32Events, edx;
         setc al;
         movzx eax, al;
@@ -889 +889 @@
                      req->events));
 
-            pDevExt->u32Events |= req->events;
+            ASMAtomicOrU32((uint32_t *)&pDevExt->u32Events, req->events);
             IoRequestDpc(pDevExt->deviceObject, pDevExt->currentIrp, NULL);
         }