Source code of Windows XP (NT5)
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//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1997.
//
// File: pdaemon.hxx
//
// Contents: Abstract base class for out of process and in-process filter
// daemon control class.
//
// Classes: PFilterDaemonControl
//
// History: 2-13-97 srikants Created
//
//----------------------------------------------------------------------------
#pragma once
#include <glbconst.hxx>
//+---------------------------------------------------------------------------
//
// Class: PFilterDaemonControl
//
// Purpose: Abstract base class for in-process and out-of-process filter
// daemon.
//
// History: 2-14-97 srikants Created
//
//----------------------------------------------------------------------------
class PFilterDaemonControl{
public:
virtual void StartFiltering( BYTE const * pbStartupData, ULONG cbStartupData ) = 0;
virtual void InitiateShutdown() = 0;
virtual void WaitForDeath() = 0;
virtual ~PFilterDaemonControl() {
}
protected:
BOOL _IsResourceLowError( SCODE sc ) const; };
//+---------------------------------------------------------------------------
//
// Function: _IsResourceLowError
//
// Synopsis: Tests if the error is a resource low error.
//
// History: 2-17-97 srikants Created
//
//----------------------------------------------------------------------------
inline BOOL PFilterDaemonControl::_IsResourceLowError( SCODE sc ) const{ BOOL fLow = STATUS_NO_MEMORY == sc || ERROR_NOT_ENOUGH_MEMORY == sc || HRESULT_FROM_WIN32(ERROR_NOT_ENOUGH_MEMORY) == sc || IsDiskLowError( sc );
return fLow;
}
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