/*
 *  Initialization 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.rtems.com/license/LICENSE.
 *
 *  $Id$
 */

#if HAVE_CONFIG_H
#include "config.h"
#endif

#include <rtems/system.h>
#include <rtems/score/sysstate.h>
#include <rtems/score/thread.h>

#if defined(__USE_INIT_FINI__)
#include <stdlib.h> /* for atexit() */
#endif

/*
 *  rtems_shutdown_executive
 *
 *  This kernel routine shutdowns the executive.  It halts multitasking
 *  and returns control to the application execution "thread" which
 *  initialially invoked the rtems_initialize_executive directive.
 *
 *  Input parameters:   NONE
 *
 *  Output parameters:  NONE
 */

void rtems_shutdown_executive(
   uint32_t   result
)
{
  if ( _System_state_Current != SYSTEM_STATE_SHUTDOWN ) {

    #if defined(__USE_INIT_FINI__)
      extern void _fini( void );
      atexit( _fini );
    #endif
    _System_state_Set( SYSTEM_STATE_SHUTDOWN );
    _Thread_Stop_multitasking();
  }
}