Changeset 30112 in vbox for trunk/src/VBox/VMM

Timestamp:

Jun 9, 2010 12:31:50 PM (15 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

62507

Message:

iprt/asm.h,*: Added ASMAtomicWriteNullPtr and ASMAtomicUoWriteNullPtr to better deal with NULL being 0 in C++.

Location:

trunk/src/VBox/VMM

Files:

• VMMR0/GVMMR0.cpp (modified) (1 diff)
• VMReq.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMR0/GVMMR0.cpp

@@ -1067 +1067 @@
     pHandle->iNext = pGVMM->iFreeHead;
     pGVMM->iFreeHead = iHandle;
-    ASMAtomicWritePtr(&pHandle->pGVM,               (PGVM)NULL);
-    ASMAtomicWritePtr(&pHandle->pVM,                 (PVM)NULL);
-    ASMAtomicWritePtr(&pHandle->pvObj,            (void *)NULL);
-    ASMAtomicWritePtr(&pHandle->pSession, (PSUPDRVSESSION)NULL);
+    ASMAtomicWriteNullPtr(&pHandle->pGVM);
+    ASMAtomicWriteNullPtr(&pHandle->pVM);
+    ASMAtomicWriteNullPtr(&pHandle->pvObj);
+    ASMAtomicWriteNullPtr(&pHandle->pSession);
     ASMAtomicWriteSize(&pHandle->hEMT0,     NIL_RTNATIVETHREAD);
     ASMAtomicWriteSize(&pHandle->ProcId,         NIL_RTPROCESS);

trunk/src/VBox/VMM/VMReq.cpp

@@ -490 +490 @@
         if (ASMAtomicCmpXchgPtr(ppHead, pHead, pList))
             return;
-        ASMAtomicWritePtr(&pTail->pNext, NULL);
+        ASMAtomicWriteNullPtr(&pTail->pNext);
         ASMCompilerBarrier();
         if (ASMAtomicCmpXchgPtr(ppHead, pHead, NULL))
@@ -1009 +1009 @@
         pReqRet = pReqRet->pNext;
     } while (pReqRet->pNext);
-    ASMAtomicWritePtr(&pPrev->pNext, NULL);
+    ASMAtomicWriteNullPtr(&pPrev->pNext);
 
     /* Push the others back onto the list (end of it). */