getthreadstatistics.c

zilog的实时操作系统RZK,可以移植到多种处理器上

/*
* File				:	GetThreadStatistics
*
* Description		:	This file defines RZKGetThreadStatistics 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* This file contains unpublished confidential and proprietary information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"
#include "ZThreadStatistics.h"

/* Function			:	RZKGetThreadStatistics
*
* Description		:	This function returns the Threads statistics
*						i.e Actual time taken,Total time run and 
*						Number of times blocked. 
* 
* Inputs			:	pThread- Specifies the thread handle
*						hThreadStatistics - Specifies the structure of thread statistics
*							
* Outputs			:	returns the Threads statistics.
*							
*
* Dependencies		:	None.
*/
RZK_STATUS_t RZKGetThreadStatistics
						(
						   RZK_THREADHANDLE_t hThread,
						   RZK_THREADSTATISTICS_t *pThreadStatistics
						)
{
#define pThread ((RZK_TCB_t*)hThread)//for typecasting hThread to RZK_TCB_t* type

#ifdef RZK_DEBUG
	if ((pThread == NULL) || ( pThread->uState == 0 ) || ( pThread->magic_num != MAGIC_NUM_THREAD))
		return RZKERR_INVALID_HANDLE;

	if (pThreadStatistics == NULL)
		return RZKERR_INVALID_ARGUMENTS;
#endif

#ifdef RZK_STATISTIC
	pThreadStatistics->tTotalTimeRun = pThread->RZK_STATISTICS.tTotalTimeRun;
	pThreadStatistics->tActualTimeRun = pThread->RZK_STATISTICS.tActualTimeRun;
	pThreadStatistics->nNumTimesBlocked = pThread->RZK_STATISTICS.nNumTimesBlocked;
	return RZKERR_SUCCESS;
#endif 
}