clkmgr.h

T-kernel 的extension源代码

/*
 *----------------------------------------------------------------------
 *    T-Kernel / Standard Extension
 *
 *    Copyright (C) 2006 by Ken Sakamura. All rights reserved.
 *    T-Kernel / Standard Extension is distributed 
 *      under the T-License for T-Kernel / Standard Extension.
 *----------------------------------------------------------------------
 *
 *    Version:   1.00.00
 *    Released by T-Engine Forum(http://www.t-engine.org) at 2006/8/11.
 *
 *----------------------------------------------------------------------
 */

/*
 *	clkmgr.h (clock)
 *
 *	Time management
 */

#ifndef _CM_CLKMGR_H_
#define _CM_CLKMGR_H_

#define	DEBUG_MODULE	"(clock)"

#include <basic.h>
#include <tk/tkernel.h>
#include <tk/util.h>
#include <extension/extension.h>
#include <extension/datetime.h>
#include <device/clk.h>
#include <sys/util.h>
#include <extension/sys/svc/ifclk.h>
#include <sys/debug.h>
/*
 * Time management information
 */
typedef struct {
	FastLock	lk;		/* Lock for exclusive access */
	TIMEZONE	tz;		/* Local time correction data */

	W		clkupd;		/* ON/OFF of the time update notification */
	ID		cycid;		/* Timer handler for time update notification */
} ClkInfo;

/*
 * Lock at the time management information (ClkInfo) access
 */
#define	LockCM()	Lock(&clkInfo.lk)
#define	UnlockCM()	Unlock(&clkInfo.lk)
#define	LOCK_CM(exp)	{ LockCM(); { exp; } UnlockCM(); }

/*
 * Error code-related
 */
#define	EC_MASK			0xffff0000U
#define	ED_MASK			0x0000ffffU
#define	toERR(class,detail)	((ERR)(((UW)(class) << 16) | ((UW)(detail) & 0x0000ffffU)))

#endif