/**********************************************************************
*
* Method: waitfor()
*
* Description: Wait for the software timer to finish.
*
* Notes:
*
* Returns: 0 on success, -1 if the timer is not running.
*
**********************************************************************/
int
Timer::waitfor()
{
if (state != Active)
{
return (-1);
}
//
// Wait for the timer to expire.
//
while (state != Done);
timerList.remove(this);
//
// Restart or idle the timer, depending on its type.
//
if (type == Periodic)
{
state = Active;
timerList.insert(this);
}
else
{
state = Idle;
}
return (0);
} /* waitfor() */
/**********************************************************************
*
* Method: isDone()
*
* Description: check for the software timer to finish.
*
* Notes:
*
* Returns: 1 on success, 0 if the timer is running.
*
**********************************************************************/
int
Timer::isDone()
{
#if 0
if (state != Active)
{
return (-1);
}
#endif
//
// Wait for the timer to expire.
//
if (state != Done)
return 0;
timerList.remove(this);
//
// Restart or idle the timer, depending on its type.
//
if (type == Periodic)
{
state = Active;
timerList.insert(this);
}
else
{
state = Idle;
}
return 1;
} /* isDone() */
/**********************************************************************
*
* Method: cancel()
*
* Description: Stop a running timer.
*
* Notes:
*
* Returns: None defined.
*
**********************************************************************/
void
Timer::cancel(void)
{
//
// Remove the timer from the timer list.
//
if (state == Active)
{
timerList.remove(this);
}
//
// Reset the timer's state.
//
state = Idle;
} /* cancel() */