rtems_status_code rtems_rate_monotonic_reset_statistics(
rtems_id id
)
{
Rate_monotonic_Control *the_period;
ISR_lock_Context lock_context;
Thread_Control *owner;
the_period = _Rate_monotonic_Get( id, &lock_context );
if ( the_period == NULL ) {
return RTEMS_INVALID_ID;
}
owner = the_period->owner;
_Rate_monotonic_Acquire_critical( owner, &lock_context );
_Rate_monotonic_Reset_statistics( the_period );
_Rate_monotonic_Release( owner, &lock_context );
return RTEMS_SUCCESSFUL;
}
rtems_status_code rtems_rate_monotonic_create(
rtems_name name,
rtems_id *id
)
{
Rate_monotonic_Control *the_period;
if ( !rtems_is_name_valid( name ) )
return RTEMS_INVALID_NAME;
if ( !id )
return RTEMS_INVALID_ADDRESS;
the_period = _Rate_monotonic_Allocate();
if ( !the_period ) {
_Objects_Allocator_unlock();
return RTEMS_TOO_MANY;
}
_ISR_lock_Initialize( &the_period->Lock, "Rate Monotonic Period" );
_Priority_Node_initialize( &the_period->Priority, 0 );
_Priority_Node_set_inactive( &the_period->Priority );
the_period->owner = _Thread_Get_executing();
the_period->state = RATE_MONOTONIC_INACTIVE;
_Watchdog_Preinitialize( &the_period->Timer, _Per_CPU_Get_by_index( 0 ) );
_Watchdog_Initialize( &the_period->Timer, _Rate_monotonic_Timeout );
_Rate_monotonic_Reset_statistics( the_period );
_Objects_Open(
&_Rate_monotonic_Information,
&the_period->Object,
(Objects_Name) name
);
*id = the_period->Object.id;
_Objects_Allocator_unlock();
return RTEMS_SUCCESSFUL;
}
rtems_status_code rtems_rate_monotonic_create(
rtems_name name,
rtems_id *id
)
{
Rate_monotonic_Control *the_period;
if ( !rtems_is_name_valid( name ) )
return RTEMS_INVALID_NAME;
if ( !id )
return RTEMS_INVALID_ADDRESS;
_Thread_Disable_dispatch(); /* to prevent deletion */
the_period = _Rate_monotonic_Allocate();
if ( !the_period ) {
_Thread_Enable_dispatch();
return RTEMS_TOO_MANY;
}
the_period->owner = _Thread_Executing;
the_period->state = RATE_MONOTONIC_INACTIVE;
_Watchdog_Initialize( &the_period->Timer, NULL, 0, NULL );
_Rate_monotonic_Reset_statistics( the_period );
_Objects_Open(
&_Rate_monotonic_Information,
&the_period->Object,
(Objects_Name) name
);
*id = the_period->Object.id;
_Thread_Enable_dispatch();
return RTEMS_SUCCESSFUL;
}
rtems_status_code rtems_rate_monotonic_reset_statistics(
rtems_id id
)
{
Objects_Locations location;
Rate_monotonic_Control *the_period;
the_period = _Rate_monotonic_Get( id, &location );
switch ( location ) {
case OBJECTS_LOCAL:
_Rate_monotonic_Reset_statistics( the_period );
_Thread_Enable_dispatch();
return RTEMS_SUCCESSFUL;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE: /* should never return this */
#endif
case OBJECTS_ERROR:
break;
}
return RTEMS_INVALID_ID;
}