void _Thread_Life_action_handler(
  Thread_Control   *executing,
  Thread_Action    *action,
  ISR_lock_Context *lock_context
)
{
  Thread_Life_state  previous_life_state;
  Per_CPU_Control   *cpu_self;

  (void) action;

  previous_life_state = executing->Life.state;
  executing->Life.state = previous_life_state | THREAD_LIFE_PROTECTED;

  _Thread_State_release( executing, lock_context );

  if ( _Thread_Is_life_terminating( previous_life_state ) ) {
    _User_extensions_Thread_terminate( executing );
  } else {
    _Assert( _Thread_Is_life_restarting( previous_life_state ) );

    _User_extensions_Thread_restart( executing );
  }

  cpu_self = _Thread_Dispatch_disable();

  if ( _Thread_Is_life_terminating( previous_life_state ) ) {
    cpu_self = _Thread_Wait_for_join( executing, cpu_self );

    _Thread_Make_zombie( executing );

    /* FIXME: Workaround for https://devel.rtems.org/ticket/2751 */
    cpu_self->dispatch_necessary = true;

    _Assert( cpu_self->heir != executing );
    _Thread_Dispatch_enable( cpu_self );
    RTEMS_UNREACHABLE();
  }

  _Assert( _Thread_Is_life_restarting( previous_life_state ) );

  _Thread_State_acquire( executing, lock_context );

  _Thread_Change_life_locked(
    executing,
    THREAD_LIFE_PROTECTED | THREAD_LIFE_RESTARTING,
    0,
    0
  );

  _Thread_State_release( executing, lock_context );

  _Assert(
    _Watchdog_Get_state( &executing->Timer.Watchdog ) == WATCHDOG_INACTIVE
  );
  _Assert(
    executing->current_state == STATES_READY
      || executing->current_state == STATES_SUSPENDED
  );

  _User_extensions_Destroy_iterators( executing );
  _Thread_Load_environment( executing );

#if ( CPU_HARDWARE_FP == TRUE ) || ( CPU_SOFTWARE_FP == TRUE )
  if ( executing->fp_context != NULL ) {
    _Context_Restore_fp( &executing->fp_context );
  }
#endif

  _Context_Restart_self( &executing->Registers );
  RTEMS_UNREACHABLE();
}
Exemple #2
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void _Thread_Life_action_handler(
  Thread_Control  *executing,
  Thread_Action   *action,
  Per_CPU_Control *cpu,
  ISR_Level        level
)
{
  Thread_Life_state previous_life_state;

  (void) action;

  previous_life_state = executing->Life.state;
  executing->Life.state = THREAD_LIFE_PROTECTED;

  _Thread_Action_release_and_ISR_enable( cpu, level );

  if ( _Thread_Is_life_terminating( previous_life_state ) ) {
    _User_extensions_Thread_terminate( executing );
  } else {
    _Assert( _Thread_Is_life_restarting( previous_life_state ) );

    _User_extensions_Thread_restart( executing );
  }

  _Thread_Disable_dispatch();

  if ( _Thread_Is_life_terminating( previous_life_state ) ) {
    _Thread_Make_zombie( executing );

    if ( executing->Life.terminator != NULL ) {
      _Thread_Clear_state(
        executing->Life.terminator,
        STATES_WAITING_FOR_TERMINATION
      );
    }

    _Thread_Enable_dispatch();

    _Assert_Not_reached();
  } else {
    _Assert( _Thread_Is_life_restarting( previous_life_state ) );

    if ( _Thread_Is_life_terminating( executing->Life.state ) ) {
      /* Someone deleted us in the mean-time */
      _Thread_Start_life_change_for_executing( executing );
    } else {
      _Assert( executing->Timer.state == WATCHDOG_INACTIVE );
      _Assert(
        executing->current_state == STATES_READY
          || executing->current_state == STATES_SUSPENDED
      );

      executing->Life.state = THREAD_LIFE_NORMAL;

      _Thread_Load_environment( executing );
      _Thread_Restart_self( executing );

      _Assert_Not_reached();
    }
  }
}