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/**********************************************************************
* Copyright (c) 2013-2014 Red Hat, Inc.
*
* Developed by Daynix Computing LTD.
*
* Authors:
* Dmitry Fleytman <dmitry@daynix.com>
* Pavel Gurvich <pavel@daynix.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
**********************************************************************/
#include "stdafx.h"
#include "WdfWorkitem.h"
CWdfWorkitem::~CWdfWorkitem()
{
if (m_hWorkItem != WDF_NO_HANDLE)
{
WdfObjectDelete(m_hWorkItem);
}
}
typedef struct tag_WdfWorkItemContext
{
CWdfWorkitem* workItem;
} WdfWorkItemContext;
WDF_DECLARE_CONTEXT_TYPE_WITH_NAME(WdfWorkItemContext, GetWdfWorkItemContext);
VOID CWdfWorkitem::Callback(_In_ WDFWORKITEM WorkItem)
{
auto* ctx = GetWdfWorkItemContext(WorkItem);
ctx->workItem->m_Payload(ctx->workItem->m_PayloadCtx);
}
NTSTATUS CWdfWorkitem::Create(WDFOBJECT parent)
{
WDF_OBJECT_ATTRIBUTES attributes;
WDF_WORKITEM_CONFIG workitemConfig;
WDF_OBJECT_ATTRIBUTES_INIT(&attributes);
WDF_OBJECT_ATTRIBUTES_SET_CONTEXT_TYPE(&attributes, WdfWorkItemContext);
attributes.ParentObject = parent;
WDF_WORKITEM_CONFIG_INIT(&workitemConfig, Callback);
auto status = WdfWorkItemCreate(&workitemConfig, &attributes, &m_hWorkItem);
auto ctx = GetWdfWorkItemContext(m_hWorkItem);
ctx->workItem = this;
return status;
}
VOID CWdfWorkitem::Enqueue()
{
ASSERT(m_hWorkItem != WDF_NO_HANDLE);
WdfWorkItemEnqueue(m_hWorkItem);
}
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