Changeset 15505 in vbox for trunk/include/VBox

Timestamp:

Dec 15, 2008 2:36:30 PM (16 years ago)

Author:

vboxsync

Message:

SUPDrv,INTNet: Heads up! SupDrv version bumped. Added SUPR0ObjAddRefEx for dealing with the handle table callback which occurs while owning a spinlock. Normally SUPR0ObjAddRef[Ex] would always allocate a usage record, which means RTMemAlloc, but this is a bad idea when inside a spinlock. SUPR0ObjAddRefEx sports an additional parameter indicating whether it is allowed block or not.

File:

• trunk/include/VBox/sup.h (modified) (1 diff)

trunk/include/VBox/sup.h

@@ -839 +839 @@
 SUPR0DECL(void *) SUPR0ObjRegister(PSUPDRVSESSION pSession, SUPDRVOBJTYPE enmType, PFNSUPDRVDESTRUCTOR pfnDestructor, void *pvUser1, void *pvUser2);
 SUPR0DECL(int) SUPR0ObjAddRef(void *pvObj, PSUPDRVSESSION pSession);
+SUPR0DECL(int) SUPR0ObjAddRefEx(void *pvObj, PSUPDRVSESSION pSession, bool fNoBlocking);
 SUPR0DECL(int) SUPR0ObjRelease(void *pvObj, PSUPDRVSESSION pSession);
 SUPR0DECL(int) SUPR0ObjVerifyAccess(void *pvObj, PSUPDRVSESSION pSession, const char *pszObjName);