Queue.h

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#pragma once
/************************************************************************************
* Copyright (C) 2021                                                                *
* TETCOS, Bangalore. India                                                          *
*                                                                                   *
* Tetcos owns the intellectual property rights in the Product and its content.      *
* The copying, redistribution, reselling or publication of any or all of the        *
* Product or its content without express prior written consent of Tetcos is         *
* prohibited. Ownership and / or any other right relating to the software and all   *
* intellectual property rights therein shall remain at all times with Tetcos.       *
*                                                                                   *
* This source code is licensed per the NetSim license agreement.                    *
*                                                                                   *
* No portion of this source code may be used as the basis for a derivative work,    *
* or used, for any purpose other than its intended use per the NetSim license       *
* agreement.                                                                        *
*                                                                                   *
* This source code and the algorithms contained within it are confidential trade    *
* secrets of TETCOS and may not be used as the basis for any other software,        *
* hardware, product or service.                                                     *
*                                                                                   *
* Author:    Shashi Kant Suman                                                      *
*                                                                                   *
* ----------------------------------------------------------------------------------*/
 
/*         ,~~.                                                                     *
 *        (  6 )-_,                                                                 *
 *   (\___ )=='-'
 *    \ .   ) )
 *     \ `-' /
 *  ~'`~'`~'`~'`~
 *
 *                                                                                  *
 * ---------------------------------------------------------------------------------*/
#ifndef _NETSIM_QUEUE_H_
#define _NETSIM_QUEUE_H_
#ifdef  __cplusplus
extern "C" {
#endif
#pragma comment(lib,"NetSim_utility.lib")
    typedef void* ptrQUEUE;
 
    _declspec(dllexport) ptrQUEUE queue_init(double size);
    _declspec(dllexport) void queue_free(ptrQUEUE q);
    _declspec(dllexport) bool queue_enqueue(ptrQUEUE queue, const void* mem, double size);
    _declspec(dllexport) void* queue_get_head_ptr(ptrQUEUE queue);
    _declspec(dllexport) void* queue_dequeue(ptrQUEUE queue);
    _declspec(dllexport) double queue_get_size(ptrQUEUE queue);
    _declspec(dllexport) bool queue_is_empty(ptrQUEUE queue);
#define queue_is_not_empty(q) (queue_is_empty((q)) == false)
    _declspec(dllexport) double queue_get_head_size(ptrQUEUE queue);
    _declspec(dllexport) void queue_update_head_size(ptrQUEUE queue, double newSize);
 
#ifdef  __cplusplus
}
#endif
#endif //_NETSIM_QUEUE_H_