others.c

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.
 *
 *----------------------------------------------------------------------
 */

/*
 *	others.c (event)
 *
 *	Event management
 *	Process other system calls.
 */

#include "evtmgr.h"
#include "others.h"


/*
 * Obtain the event timer.
 */
EXPORT ER _tkse_get_etm( UW *time )
{
	ER	err;

	err = CheckSpaceRW(time, sizeof(UW));
	if ( err < E_OK ) {
		goto err_ret;
	}

	*time = getEvtTime(NULL);

	return E_OK;

err_ret:
	DEBUG_PRINT(("_tkse_get_etm err = %d\n", err));
	return err;
}

/*
 * Set the key repeat interval.
 */
EXPORT ER _tkse_set_krp( W offset, W interval )
{
	ER	err;

	/* Parameter check */
	if ( (offset <= 0) || (interval <= 0) ) {
		err = E_PAR;
		goto err_ret;
	}

	/* Set the key repeat interval. */
	LOCK_EM(
		emInfo.repeatOffset   = offset;
		emInfo.repeatInterval = interval;
	);

	return E_OK;

err_ret:
	DEBUG_PRINT(("_tkse_set_krp err = %d\n", err));
	return err;
}

/*
 * Obtain the key repeat interval.
 */
EXPORT ER _tkse_get_krp( W *offset, W *interval )
{
	ER	err;

	err = CheckSpaceRW(offset, sizeof(W));
	if ( err < E_OK ) {
		goto err_ret;
	}
	err = CheckSpaceRW(interval, sizeof(W));
	if ( err < E_OK ) {
		goto err_ret;
	}

	/* Obtain the key repeat interval */
	LOCK_EM(
		*offset   = emInfo.repeatOffset;
		*interval = emInfo.repeatInterval;
	);

	return E_OK;

err_ret:
	DEBUG_PRINT(("_tkse_get_krp err = %d\n", err));
	return err;
}

/*
 * Set the automatic repeat key.
 */
EXPORT ER _tkse_set_krm( KeyMap keymap )
{
	ER	err;

	err = CheckSpaceR(keymap, sizeof(KeyMap));
	if ( err < E_OK ) {
		goto err_ret;
	}

	LOCK_EM( memcpy(emInfo.repeatKeymap, keymap, (size_t)sizeof(KeyMap)) );

	return E_OK;

err_ret:
	DEBUG_PRINT(("_tkse_set_krm err = %d\n", err));
	return err;
}

/*
 * Obtain the automatic repeat key.
 */
EXPORT ER _tkse_get_krm( KeyMap keymap )
{
	ER	err;

	err = CheckSpaceRW(keymap, sizeof(KeyMap));
	if ( err < E_OK ) {
		goto err_ret;
	}

	LOCK_EM( memcpy(keymap, emInfo.repeatKeymap, (size_t)sizeof(KeyMap)) );

	return E_OK;

err_ret:
	DEBUG_PRINT(("_tkse_get_krm err = %d\n", err));
	return err;
}