78 lines
1.8 KiB
C++
78 lines
1.8 KiB
C++
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//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1997.
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//
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// File: pdaemon.hxx
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//
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// Contents: Abstract base class for out of process and in-process filter
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// daemon control class.
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//
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// Classes: PFilterDaemonControl
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//
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// History: 2-13-97 srikants Created
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//
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//----------------------------------------------------------------------------
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#pragma once
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#include <glbconst.hxx>
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//+---------------------------------------------------------------------------
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//
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// Class: PFilterDaemonControl
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//
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// Purpose: Abstract base class for in-process and out-of-process filter
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// daemon.
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//
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// History: 2-14-97 srikants Created
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//
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//----------------------------------------------------------------------------
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class PFilterDaemonControl
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{
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public:
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virtual void StartFiltering( BYTE const * pbStartupData,
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ULONG cbStartupData ) = 0;
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virtual void InitiateShutdown() = 0;
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virtual void WaitForDeath() = 0;
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virtual ~PFilterDaemonControl()
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{
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}
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protected:
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BOOL _IsResourceLowError( SCODE sc ) const;
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};
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//+---------------------------------------------------------------------------
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//
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// Function: _IsResourceLowError
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//
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// Synopsis: Tests if the error is a resource low error.
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//
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// History: 2-17-97 srikants Created
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//
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//----------------------------------------------------------------------------
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inline BOOL PFilterDaemonControl::_IsResourceLowError( SCODE sc ) const
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{
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BOOL fLow = STATUS_NO_MEMORY == sc ||
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ERROR_NOT_ENOUGH_MEMORY == sc ||
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HRESULT_FROM_WIN32(ERROR_NOT_ENOUGH_MEMORY) == sc ||
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IsDiskLowError( sc );
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return fLow;
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}
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