mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
45 lines
1.7 KiB
45 lines
1.7 KiB
#if !defined(_FUSION_INC_FUSIONDEQUELINKAGE_H_INCLUDED_)
|
|
#define _FUSION_INC_FUSIONDEQUELINKAGE_H_INCLUDED_
|
|
|
|
#pragma once
|
|
|
|
#include "fusiontrace.h"
|
|
|
|
class CDequeBase;
|
|
|
|
class CDequeLinkage : protected LIST_ENTRY
|
|
{
|
|
friend CDequeBase;
|
|
|
|
public:
|
|
inline CDequeLinkage() : m_pDeque(NULL), m_ulLockCount(0) { this->Flink = NULL; this->Blink = NULL; }
|
|
inline ~CDequeLinkage() { ASSERT_NTC(m_ulLockCount == 0); m_pDeque = NULL; }
|
|
|
|
inline bool IsNotLocked() const { return (m_ulLockCount == 0); }
|
|
inline VOID Lock() { m_ulLockCount++; }
|
|
inline VOID Unlock() { m_ulLockCount--; }
|
|
|
|
inline VOID Remove() { this->Flink->Blink = this->Flink; this->Blink->Flink = this->Flink; }
|
|
|
|
protected:
|
|
inline VOID InitializeHead(CDequeBase *pDequeBase) { ASSERT_NTC(pDequeBase != NULL); this->Flink = this; this->Blink = this; this->m_pDeque = pDequeBase; }
|
|
inline CDequeLinkage *GetFlink() const { return static_cast<CDequeLinkage *>(this->Flink); }
|
|
inline CDequeLinkage *GetBlink() const { return static_cast<CDequeLinkage *>(this->Blink); }
|
|
|
|
inline CDequeBase *GetDequeBase() const { return m_pDeque; }
|
|
inline VOID SetDeque(CDequeBase *pDeque) { m_pDeque = pDeque; }
|
|
|
|
inline VOID SetFlink(CDequeLinkage *pFlink) { this->Flink = pFlink; }
|
|
inline VOID SetBlink(CDequeLinkage *pBlink) { this->Blink = pBlink; }
|
|
|
|
CDequeBase *m_pDeque;
|
|
|
|
// m_ulLockCount is incremented when an iterator is positioned on an entry, to stop
|
|
// it from being deleted. Note that no interlocked synchronization is attempted;
|
|
// this is merely to stop blatent programming errors. If you want multithreaded
|
|
// access to the deque, you need to provide your own synchronization.
|
|
ULONG m_ulLockCount;
|
|
|
|
};
|
|
|
|
#endif
|