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/**************************************************************************
A/V Stream Camera Sample
Copyright (c) 2014, Microsoft Corporation.
File:
waitable.h
Abstract:
Base interface for any object that is waitable.
In otherwords, it contains a kernel dispatch object.
Also implements a Cancelable interface class.
History:
created 5/30/2014
**************************************************************************/
#pragma once
//
// Interface definitions for KWaitable and Cancelable
//
class KWaitable :
public CNonCopyable
{
public:
KWaitable();
virtual
~KWaitable();
virtual
NTSTATUS
Wait(
_In_opt_ PLARGE_INTEGER Timeout = NULL
);
// Must implement
virtual
PVOID
GetDispatchObject() = 0;
};
class Cancelable
{
public:
// Must implement
virtual
BOOLEAN
Cancel() = 0;
};
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