83 lines
1.9 KiB
C++
83 lines
1.9 KiB
C++
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1995.
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//
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// File: PQueue.cxx
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//
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// Purpose: 'Pending' queue. Queue of pending notifications.
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//
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// Classes: CPendingQueue
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//
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// History: 30-Aug-95 KyleP Created
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//
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//----------------------------------------------------------------------------
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#pragma once
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//+---------------------------------------------------------------------------
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//
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// Class: CPendingQueue
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//
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// Purpose: Queue of pending notifications
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//
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// History: 30-Aug-95 KyleP Created.
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//
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//----------------------------------------------------------------------------
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class CPendingQueue
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{
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public:
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//
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// Construction and destruction
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//
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CPendingQueue();
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~CPendingQueue();
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//
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// Queue operations
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//
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unsigned LokPrepare( WORKID wid );
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BOOL LokComplete( unsigned iHint, WORKID wid, USN usn, VOLUMEID volumeId, PARTITIONID partid, ULONG action );
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BOOL LokRemove( WORKID & wid, USN & usn, VOLUMEID& volumeId, PARTITIONID & partid, ULONG & action );
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unsigned LokCountCompleted();
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void LokGetCompleted( WORKID * awid );
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CMutexSem& GetMutex () { return _mutex; }
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void LokFlushCompletedEntries();
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void LokFlushAllEntries();
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private:
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class CDocItem
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{
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public:
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USN usn;
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VOLUMEID volumeId;
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WORKID wid;
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PARTITIONID partid;
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ULONG action;
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unsigned hint;
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BOOL fComplete;
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};
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unsigned _cUnique; // Unique cookie
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unsigned _iBottom; // Bottom of queue. Used to optimize ::Remove
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unsigned _iTop; // First free element at top of queue.
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unsigned _cDoc; // Size of queue
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CDocItem * _aDoc; // Queue itself.
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CMutexSem _mutex; // It gets it's own lock.
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};
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