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#pragma once
// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
#ifdef __cplusplus
extern "C" {
#endif
#define ReleaseQueue(qh, pfn, pv) if (qh) { QueDestroy(qh, pfn, pv); }
#define ReleaseNullQue(qh, pfv, pv) if (qh) { QueDestroy(qh, pfn, pv); qh = NULL; }
typedef void* QUEUTIL_QUEUE_HANDLE;
typedef void(CALLBACK* PFNQUEUTIL_QUEUE_RELEASE_VALUE)(
__in void* pvValue,
__in void* pvContext
);
extern const int QUEUTIL_QUEUE_HANDLE_BYTES;
/********************************************************************
QueCreate - Creates a simple queue. It is not thread safe.
********************************************************************/
HRESULT DAPI QueCreate(
__out_bcount(QUEUTIL_QUEUE_HANDLE_BYTES) QUEUTIL_QUEUE_HANDLE* phQueue
);
HRESULT DAPI QueEnqueue(
__in_bcount(QUEUTIL_QUEUE_HANDLE_BYTES) QUEUTIL_QUEUE_HANDLE hQueue,
__in void* pvValue
);
/********************************************************************
QueDequeue - Returns the value from the beginning of the queue,
or E_NOMOREITEMS if the queue is empty.
********************************************************************/
HRESULT DAPI QueDequeue(
__in_bcount(QUEUTIL_QUEUE_HANDLE_BYTES) QUEUTIL_QUEUE_HANDLE hQueue,
__out void** ppvValue
);
void DAPI QueDestroy(
__in_bcount(QUEUTIL_QUEUE_HANDLE_BYTES) QUEUTIL_QUEUE_HANDLE hQueue,
__in_opt PFNQUEUTIL_QUEUE_RELEASE_VALUE pfnReleaseValue,
__in_opt void* pvContext
);
#ifdef __cplusplus
}
#endif
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