mxworkitemkm.h

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/*++
 
Copyright (c) Microsoft Corporation
 
ModuleName:
 
    MxWorkItemKm.h
 
Abstract:
 
    Kernel mode implementation of work item
    class defined in MxWorkItem.h
 
Author:
 
 
 
Revision History:
 
 
 
--*/
 
#pragma once
 
typedef IO_WORKITEM_ROUTINE MX_WORKITEM_ROUTINE, *PMX_WORKITEM_ROUTINE;
typedef PIO_WORKITEM MdWorkItem;
 
#include "mxworkitem.h"
 
__inline
MxWorkItem::MxWorkItem(
    )
{
    m_WorkItem = NULL;
}
 
_Must_inspect_result_
__inline
NTSTATUS
MxWorkItem::Allocate(
    __in MdDeviceObject DeviceObject,
    __in_opt PVOID ThreadPoolEnv
    )
{
    UNREFERENCED_PARAMETER(ThreadPoolEnv);
 
    m_WorkItem = IoAllocateWorkItem(DeviceObject);
    if (NULL == m_WorkItem) {
        return STATUS_INSUFFICIENT_RESOURCES;
    }
 
    return STATUS_SUCCESS;
}
 
__inline
VOID
MxWorkItem::Enqueue(
    __in PMX_WORKITEM_ROUTINE Callback,
    __in PVOID Context
    )
{
    IoQueueWorkItem(
        m_WorkItem,
        Callback,
        DelayedWorkQueue,
        Context
        );
}
 
__inline
MdWorkItem
MxWorkItem::GetWorkItem(
    )
{
    return m_WorkItem;
}
 
__inline
VOID
MxWorkItem::_Free(
    __in MdWorkItem Item
    )
{
    IoFreeWorkItem(Item);
}
 
__inline
VOID
MxWorkItem::Free(
    )
{
    if (NULL != m_WorkItem) {
        MxWorkItem::_Free(m_WorkItem);
        m_WorkItem = NULL;
    }
}
 
//
// FxAutoWorkitem
//
__inline
MxAutoWorkItem::~MxAutoWorkItem(
    )
{
    this->Free();
}