Source code of Windows XP (NT5)
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/*-----------------------------------------------------------------------------
Microsoft Denali
Microsoft Confidential
Copyright 1997 Microsoft Corporation. All Rights Reserved.
Component: File/Application mapping
File: CFileApp.h
Owner: CGrant
File/Application mapping definition
-----------------------------------------------------------------------------*/
#ifndef _CFILEAPP_H
#define _CFILEAPP_H
// Includes -------------------------------------------------------------------
#include "applmgr.h"
#include "hashing.h"
#include "idhash.h"
#include "memcls.h"
#define NUM_FILEAPP_HASHING_BUCKETS 17
/*****************************************************************************
Class: CFileApplicationMap
Synopsis: Maintains a database relating files to the applications that
must be shut down if the file changes. The key for the hash table
is the full file name
*/
class CFileApplicationMap : public CHashTable
{
// Flags
DWORD m_fInited : 1; // Are we initialized?
DWORD m_fHashTableInited : 1; // Need to UnInit hash table?
DWORD m_fCriticalSectionInited : 1; // Need to delete CS?
// Critical section for locking
CRITICAL_SECTION m_csLock;
public:
CFileApplicationMap();
~CFileApplicationMap();
void Lock();
void UnLock();
HRESULT Init();
HRESULT UnInit();
HRESULT AddFileApplication(const TCHAR *pszFileName, CAppln *pAppln);
BOOL ShutdownApplications(const TCHAR *pszFile);
};
inline void CFileApplicationMap::Lock()
{
Assert(m_fInited);
EnterCriticalSection(&m_csLock);
}
inline void CFileApplicationMap::UnLock()
{
Assert(m_fInited);
LeaveCriticalSection( &m_csLock );
}
/*****************************************************************************
Class: CFileApplnList
Synopsis: Maintains a list of applications that
must be shut down if a file changes
*/
class CFileApplnList : public CLinkElem
{
friend class CFileApplicationMap;
TCHAR* m_pszFilename;
CPtrArray m_rgpvApplications; // the list of applications
BOOL m_fInited; // flag indicating initialization
public:
CFileApplnList();
~CFileApplnList();
HRESULT Init(const TCHAR* pszFilename);
HRESULT UnInit();
HRESULT AddApplication(void *pApplication);
HRESULT RemoveApplication(void *pApplication);
VOID GetShutdownApplications(CPtrArray *prgpapplnRestartList);
// Cache on per-class basis
ACACHE_INCLASS_DEFINITIONS()
};
/*===================================================================
Globals
===================================================================*/
extern CFileApplicationMap g_FileAppMap;
#endif // _CFILEAPP_H