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