/**
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*******************************************************************************
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* @FileName : x_queue.h
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* @Author : GaoQiu
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* @CreateDate: 2020-02-18
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* @Copyright : Copyright(C) GaoQiu
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* All Rights Reserved.
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*******************************************************************************
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*
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* The information contained herein is confidential and proprietary property of
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* GaoQiu and is available under the terms of Commercial License Agreement
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* between GaoQiu and the licensee in separate contract or the terms described
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* here-in.
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*
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* This heading MUST NOT be removed from this file.
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*
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* Licensees are granted free, non-transferable use of the information in this
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* file under Mutual Non-Disclosure Agreement. NO WARRENTY of ANY KIND is provided.
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*
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*******************************************************************************
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*/
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#ifndef X_QUEUE_H_
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#define X_QUEUE_H_
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#include "defs_types.h"
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/*! Initialize a queue */
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#define QUEUE_INIT(pQuene) do{(pQuene)->pHead = NULL; (pQuene)->pTail = NULL;}while(0)
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/*! Queue type */
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typedef struct{
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void *pHead;
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void *pTail;
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}queue_t;
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/**
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* @brief : Check if queue is empty.
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* @param : pQueue pointer to queue.
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* @return: None.
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*/
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bool_t QUEUE_IsEmty(queue_t *pQueue);
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/**
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* @brief: Enqueue and element to the tail of a queue.
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* @param: pQueue pointer to queue
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* @oaram: pElem pointer to element
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* @return: none
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*/
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void QUEUE_Enquene(queue_t *pQueue, void *pElem);
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/**
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* @brief: Dequeue and element to the head of a queue.
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* @param: pQueue pointer to queue
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* @return: none
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*/
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void *QUEUE_Dequeue(queue_t *pQueue);
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/**
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* @brief: Push and element to the head of a queue.
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* @param: pQueue pointer to queue
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* @oaram: pElem pointer to element
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* @return: none
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*/
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void QUEUE_PushElement(queue_t *pQueue, void *pElem);
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/**
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* @brief: Insert and element to a queue.
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* @param: pQueue pointer to queue
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* @param: pElem pointer to element to be inserted.
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* @param: pPrev Pointer to previous element in the queue before element to be inserted.
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* @return: none
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*/
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void QUEUE_InsertElement(queue_t *pQueue, void *pElem, void *pPrev);
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/**
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* @brief: Remove and element from a queue.
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* @param: pQueue pointer to queue
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* @param: pElem pointer to element to be inserted.
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* @param: pPrev Pointer to previous element in the queue before element to be inserted.
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* @return: none
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*/
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void QUEUE_RemoveElement(queue_t *pQueue, void *pElem, void *pPrev);
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#endif /* QUEUE_H_ */
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