Windows NT 4.0 source code leak
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/*++
Copyright (c) 1991 Microsoft Corporation
Module Name:
cmdelete.c
Abstract:
This module contains the delete object method (used to delete key
control blocks when last handle to a key is closed, and to delete
keys marked for deletetion when last reference to them goes away.)
Author:
Bryan M. Willman (bryanwi) 13-Nov-91
Revision History:
--*/
#include "cmp.h"
#ifdef ALLOC_PRAGMA
#pragma alloc_text(PAGE,CmpDeleteKeyObject)
#endif
VOID
CmpDeleteKeyObject(
IN PVOID Object
)
/*++
Routine Description:
This routine interfaces to the NT Object Manager. It is invoked when
the last reference to a particular Key object (or Key Root object)
is destroyed.
If the Key object going away holds the last reference to
the extension it is associated with, that extension is destroyed.
Arguments:
Object - supplies a pointer to a KeyRoot or Key, thus -> KEY_BODY.
Return Value:
NONE.
--*/
{
PCM_KEY_CONTROL_BLOCK KeyControlBlock;
PCM_KEY_BODY KeyBody;
PAGED_CODE();
CMLOG(CML_MAJOR, CMS_NTAPI) {
KdPrint(("CmpDeleteKeyObject: Object = %08lx\n", Object));
}
CmpLockRegistry();
KeyBody = (PCM_KEY_BODY)Object;
if (KeyBody->Type==KEY_BODY_TYPE) {
KeyControlBlock = KeyBody->KeyControlBlock;
//
// Clean up any outstanding notifies attached to the KeyBody
//
CmpFlushNotify(KeyBody);
//
// Remove our reference to the KeyControlBlock, clean it up, perform any
// pend-till-final-close operations.
//
// NOTE: Delete notification is seen at the parent of the deleted key,
// not the deleted key itself. If any notify was outstanding on
// this key, it was cleared away above us. Only parent/ancestor
// keys will see the report.
//
//
// The dereference will free the KeyControlBlock. If the key was deleted, its
// storage was freed at delete time, and relevent notifications
// posted then as well. All we are doing is freeing the tombstone.
//
// If it was not deleted, we're both cutting the kcb out of
// the kcb list/tree, AND freeing its storage.
//
CmpDereferenceKeyControlBlock(KeyControlBlock);
}
CmpUnlockRegistry();
return;
}