/****************************************************************************/
/*	Copyright (c) 2009, Bendor Research Pty. Ltd. All rights reserved.		*/
/*	This software is released under the GNU General Public License, version	*/
/*	3, with the exemptions that 1) the header files installed by this 	 	*/
/*	package can be included in closed-source code and 2) the libraries		*/
/*	built by this package can be statically linked into a closed-source 	*/
/*	binary. See the file LICENSE for the details.							*/
/*	This software is provided "AS IS", without any warranty or guarantee.	*/
/*	By using this software you acknowledge that neither Bendor Research nor	*/
/*	any of its personnel or affiliates can be held liable for any damages,	*/
/*	including, but not limited to, loss of business, loss of money, loss of */
/*	life, loss of reputation, arising out of this software being faulty or	*/
/*	not performing as advertised, even if Bendor Research was aware of such	*/
/*	faults in the software. You use this software at your own risk, any and */
/*	all liabilities that arise out of your using this software are strictly	*/
/*	yours.																	*/
/****************************************************************************/

#include "coop.h"

/** @addtogroup coop_time */
/** @{ */

/**
*	Cancels a timer.
*
*	The function checks the active timer queue and removes the timer
*	from it. If the timer is not found on the queue, then this function
*	does nothing.
*
*	@param	timer	The timer to remove
*
*	@retval		1	The timer was removed from the queue
*	@retval		0	The timer was not found on the queue
*/

int		BZ_TimerCancel( BZ_TIME *timer )
{
BZ_STAT	*base = &_bz_stat;
BZ_TIME	*this, **prev;
int		stat;

	stat = BZ_IrqDisable( 1 );

	for ( prev = &base->tptr ; ( this = *prev )  ; prev = &this->next ) {

		if ( this == timer ) {

			if ( ( *prev = this->next ) ) this->next->time += this->time;
			BZ_IrqDisable( stat );
			return( 1 );
		}
	}

	BZ_IrqDisable( stat );
	return( 0 );
}

/** @} */

