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/**************************************************************************
A/V Stream Camera Sample
Copyright (c) 2014, Microsoft Corporation.
File:
waitable.cpp
Abstract:
Base interface for any object that is waitable.
In otherwords, it contains a kernel dispatch object.
History:
created 5/30/2014
**************************************************************************/
#include "Common.h"
KWaitable::
KWaitable()
{}
KWaitable::
~KWaitable()
{}
NTSTATUS
KWaitable::
Wait(
_In_opt_ PLARGE_INTEGER Timeout
)
/*++
Routine Description:
Default Wait implementation.
Arguments:
Timeout -
An optional timeout value in 100ns units. Negative is relative time.
If NULL, wait forever.
Return Value:
Success / Failure.
--*/
{
PVOID pObj = GetDispatchObject() ;
if(pObj != NULL)
{
return
KeWaitForSingleObject(
pObj,
Executive,
KernelMode,
FALSE,
Timeout);
}
return STATUS_SUCCESS;
}
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