105 lines
1.4 KiB
C
105 lines
1.4 KiB
C
|
/*++
|
||
|
|
|
||
|
|
Copyright (c) 1996 Microsoft Corporation
|
||
|
|
|
||
|
|
Module Name:
|
||
|
|
|
||
|
|
refcnt.h
|
||
|
|
|
||
|
|
Abstract:
|
||
|
|
|
||
|
|
|
||
|
|
Author:
|
||
|
|
|
||
|
|
Edward Buchwalter (v-edbuc) 15-Aug-1996
|
||
|
|
|
||
|
|
Revision History:
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
#ifndef REFCNT_H
|
||
|
|
#define REFCNT_H
|
||
|
|
|
||
|
|
//
|
||
|
|
// Reference Count Control Block
|
||
|
|
//
|
||
|
|
// Elements:
|
||
|
|
//
|
||
|
|
// - Count: number of outstanding references
|
||
|
|
// - Instance: user supplied context
|
||
|
|
// - UserDeleteFunc: user supplied delete function
|
||
|
|
//
|
||
|
|
|
||
|
|
#define TAG_CNT 8
|
||
|
|
#define REF_SIG 0x7841eeee
|
||
|
|
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
ULONG Tag;
|
||
|
|
LONG Count;
|
||
|
|
} REF_TAG;
|
||
|
|
|
||
|
|
typedef struct reference_count_control
|
||
|
|
{
|
||
|
|
LONG Count;
|
||
|
|
PVOID Instance;
|
||
|
|
VOID (*DeleteHandler)( PVOID );
|
||
|
|
#if DBG
|
||
|
|
int Sig;
|
||
|
|
REF_TAG Tags[TAG_CNT];
|
||
|
|
CTELock Lock;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
REF_CNT, *PREF_CNT;
|
||
|
|
|
||
|
|
|
||
|
|
VOID
|
||
|
|
ReferenceInit
|
||
|
|
(
|
||
|
|
IN PREF_CNT pRefCnt,
|
||
|
|
PVOID InstanceHandle,
|
||
|
|
VOID (*DeleteHandler)( PVOID )
|
||
|
|
);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
ReferenceAdd
|
||
|
|
(
|
||
|
|
IN PREF_CNT pRefCnt
|
||
|
|
);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
ReferenceAddCount
|
||
|
|
(
|
||
|
|
IN PREF_CNT pRefCnt,
|
||
|
|
IN UINT Count
|
||
|
|
);
|
||
|
|
|
||
|
|
PVOID
|
||
|
|
ReferenceRemove
|
||
|
|
(
|
||
|
|
IN PREF_CNT pRefCnt
|
||
|
|
);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
ReferenceApiTest
|
||
|
|
(
|
||
|
|
VOID
|
||
|
|
);
|
||
|
|
|
||
|
|
#if DBG
|
||
|
|
|
||
|
|
VOID ReferenceAddDbg(PREF_CNT pRefCnt, ULONG Tag);
|
||
|
|
VOID ReferenceRemoveDbg(PREF_CNT pRefCnt, ULONG Tag);
|
||
|
|
|
||
|
|
#define REFADD(Rc, Tag) ReferenceAddDbg(Rc, Tag)
|
||
|
|
#define REFDEL(Rc, Tag) ReferenceRemoveDbg(Rc, Tag)
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
#define REFADD(Rc, Tag) ReferenceAdd(Rc);
|
||
|
|
#define REFDEL(Rc, Tag) ReferenceRemove(Rc);
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|