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[/] [or1k/] [trunk/] [rtems-20020807/] [cpukit/] [rtems/] [src/] [ratemondelete.c] - Rev 1765

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/*
 *  Rate Monotonic Manager
 *
 *
 *  COPYRIGHT (c) 1989-1999.
 *  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.OARcorp.com/rtems/license.html.
 *
 *  ratemondelete.c,v 1.2 1999/11/17 17:50:27 joel Exp
 */
 
#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>
 
/*PAGE
 *
 *  rtems_rate_monotonic_delete
 *
 *  This directive allows a thread to delete a rate monotonic timer.
 *
 *  Input parameters:
 *    id - rate monotonic id
 *
 *  Output parameters:
 *    RTEMS_SUCCESSFUL - if successful
 *    error code        - if unsuccessful
 */
 
rtems_status_code rtems_rate_monotonic_delete(
  Objects_Id id
)
{
  Rate_monotonic_Control *the_period;
  Objects_Locations              location;
 
  the_period = _Rate_monotonic_Get( id, &location );
  switch ( location ) {
    case OBJECTS_REMOTE:            /* should never return this */
      return RTEMS_INTERNAL_ERROR;
 
    case OBJECTS_ERROR:
      return RTEMS_INVALID_ID;
 
    case OBJECTS_LOCAL:
      _Objects_Close( &_Rate_monotonic_Information, &the_period->Object );
      (void) _Watchdog_Remove( &the_period->Timer );
      the_period->state = RATE_MONOTONIC_INACTIVE;
      _Rate_monotonic_Free( the_period );
      _Thread_Enable_dispatch();
      return RTEMS_SUCCESSFUL;
  }
 
  return RTEMS_INTERNAL_ERROR;   /* unreached - only to remove warnings */
}
 

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