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/**
* @file
*
* @brief Rate Monotonic Timeout
* @ingroup ClassicRateMon
*/
/*
* COPYRIGHT (c) 1989-2009.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/system.h>
#include <rtems/rtems/status.h>
#include <rtems/rtems/support.h>
#include <rtems/score/isr.h>
#include <rtems/score/object.h>
#include <rtems/rtems/ratemon.h>
#include <rtems/score/thread.h>
void _Rate_monotonic_Timeout(
Objects_Id id,
void *ignored
)
{
Rate_monotonic_Control *the_period;
Objects_Locations location;
Thread_Control *the_thread;
/*
* When we get here, the Timer is already off the chain so we do not
* have to worry about that -- hence no _Watchdog_Remove().
*/
the_period = _Rate_monotonic_Get( id, &location );
switch ( location ) {
case OBJECTS_LOCAL:
the_thread = the_period->owner;
if ( _States_Is_waiting_for_period( the_thread->current_state ) &&
the_thread->Wait.id == the_period->Object.id ) {
_Thread_Unblock( the_thread );
_Rate_monotonic_Initiate_statistics( the_period );
_Watchdog_Insert_ticks( &the_period->Timer, the_period->next_length );
} else if ( the_period->state == RATE_MONOTONIC_OWNER_IS_BLOCKING ) {
the_period->state = RATE_MONOTONIC_EXPIRED_WHILE_BLOCKING;
_Rate_monotonic_Initiate_statistics( the_period );
_Watchdog_Insert_ticks( &the_period->Timer, the_period->next_length );
} else
the_period->state = RATE_MONOTONIC_EXPIRED;
_Thread_Unnest_dispatch();
break;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE: /* impossible */
#endif
case OBJECTS_ERROR:
break;
}
}
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