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/*
 *  Thread Handler
 *
 *
 *  COPYRIGHT (c) 1989-1999.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in found in the file LICENSE in this distribution or at
 *  http://www.OARcorp.com/rtems/license.html.
 *
 *  threadevaluatemode.c,v 1.2 1999/11/17 17:50:40 joel Exp
 */
 
#include <rtems/system.h>
#include <rtems/score/apiext.h>
#include <rtems/score/context.h>
#include <rtems/score/interr.h>
#include <rtems/score/isr.h>
#include <rtems/score/object.h>
#include <rtems/score/priority.h>
#include <rtems/score/states.h>
#include <rtems/score/sysstate.h>
#include <rtems/score/thread.h>
#include <rtems/score/threadq.h>
#include <rtems/score/userext.h>
#include <rtems/score/wkspace.h>
 
/*PAGE
 *
 *  _Thread_Evaluate_mode
 *
 *  XXX
 */
 
boolean _Thread_Evaluate_mode( void )
{
  Thread_Control     *executing;
 
  executing = _Thread_Executing;
 
  if ( !_States_Is_ready( executing->current_state ) ||
       ( !_Thread_Is_heir( executing ) && executing->is_preemptible ) ) {
    _Context_Switch_necessary = TRUE;
    return TRUE;
  }
 
  return FALSE;
}