geterror.c

zilog的实时操作系统RZK,可以移植到多种处理器上

/*
* File				:	GetError.c
*
* Description		:	This file defines RZKGetErrorNum routine.
*
* 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* This file contains unpublished confidential and proprietary information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"

extern RZK_THREADHANDLE_t hCurrentThread;	/* declared in Scheduler.c */
extern TIME_t tSystemTime;	/* declared in Scheduler.c */

/*
* Function			:	RZKGetErrorNum
*
* Description		:	This function returns the last error
* 
* Inputs			:	None.
*							
* Outputs			:	Error Number
*							
*
* Dependencies		:	None.
*/
RZK_STATUS_t RZKGetErrorNum()
{
	/*AJ $ 15Sep05  $CR#### $ Error not getting cleared bug */
	RZK_STATUS_t err = 	((RZK_TCB_t *) hCurrentThread)->errNum;
//	((RZK_TCB_t *) hCurrentThread)->errNum=0;
	return err;
}

/* Function			:	RZKSystemTime
*
* Description		:	This function returns the argument values.
* 
* Inputs			:	None.
*							
* Outputs			:	returns the argument value passed to a thread's entry point function.
*							
*
* Dependencies		:	None.
*/
TIME_t RZKSystemTime()
{
	return tSystemTime;
}

/* Function			:	RZKThreadLockForDelete
*
* Description		:	This function Locks thread for deletion.
* 
* Inputs			:	None.
*							
* Outputs			:	None.
*							
*
* Dependencies		:	None.
*/
void RZKThreadLockForDelete()
{
	((RZK_TCB_t *) hCurrentThread)->cResLocked++;
}

/* Function			:	RZKThreadLockForDelete
*
* Description		:	This function Locks thread for deletion.
* 
* Inputs			:	None.
*							
* Outputs			:	None.
*							
*
* Dependencies		:	None.
*/
void RZKThreadUnLockForDelete()
{
	((RZK_TCB_t *) hCurrentThread)->cResLocked--;
}