zaddtoresourcequeue.c

zilog的实时操作系统RZK,可以移植到多种处理器上

/*
* File				:	ZAddToResourceQueue.c
*
* Description		:	Adds a given thread to the resource queue.
* 
* Copyright 2004 ZiLOG Inc.  ALL RIGHTS RESERVED.
*
* This file contains unpublished confidential and proprietary information
* of ZiLOG, Inc.
* NO PART OF THIS WORK MAY BE DUPLICATED, STORED, PUBLISHED OR DISCLOSED 
* IN ANY FORM WITHOUT THE PRIOR WRITTEN CONSENT OF ZiLOG, INC.
* This is not a license and no use of any kind of this work is authorized
* in the absence of a written license granted by ZiLOG, Inc. in ZiLOG's 
* sole discretion 
*/
#include "ZSysgen.h"
#include "ZTypes.h"
#include "ZThread.h"
#include "ZQueue.h"
#include "ZMessageQ.h"

extern RZK_THREADHANDLE_t hCurrentThread;

#define pThread ((RZK_TCB_t *) hThread)
#define pInsertionPos ((RZK_TCB_t *) hInsertionPos)

/*
* Function			:	AddToResourceQueue
*
* Description		:	Adds a given thread to the middle/end of resource queue.
* 
* Inputs			:	pInsertionPos  - Pointer to the insertion position.
*						hThread - Handle of the thread to insert into the queue
*							
* Outputs			:	void.
*							
*
* Dependencies		:	None.
*/
void AddToResourceQueue( RZK_HANDLE_t hInsertionPos,RZK_THREADHANDLE_t hThread)
{
	pThread->pResPrevious = pInsertionPos;
	pThread->pResNext = pInsertionPos->pResNext ;
	pInsertionPos->pResNext = pThread;
}

/*
* Function			:	AddToResourceQueueBeg
*
* Description		:	Adds a given thread to the beginning of resource queue.
* 
* Inputs			:	pInsertionPos  - Pointer to the insertion position.
*						hThread - Handle of the thread to insert into the queue
*							
* Outputs			:	void.
*							
*
* Dependencies		:	None.
*/

#undef	pInsertionPos
#define pInsertionPos ((RZK_MESSAGEQUEUE_t *)hInsertionPos)

void AddToResourceQueueBeg( RZK_HANDLE_t hInsertionPos,RZK_THREADHANDLE_t hThread)
{
	pThread->pResPrevious = (RZK_TCB_t *) pInsertionPos;
	pThread->pResNext = pInsertionPos->pResNext ;
	pInsertionPos->pResNext = pThread;
}