C++ (Cpp) _Thread_Make_zombie Examples

Example #1

File: threadrestart.c Project: Avanznow/rtems

void _Thread_Close( Thread_Control *the_thread, Thread_Control *executing )
{
  _Assert( _Thread_Is_life_protected( executing->Life.state ) );

  if ( _States_Is_dormant( the_thread->current_state ) ) {
    _Thread_Make_zombie( the_thread );
  } else {
    if (
      the_thread != executing
        && !_Thread_Is_life_terminating( executing->Life.state )
    ) {
      /*
       * Wait for termination of victim thread.  If the executing thread is
       * also terminated, then do not wait.  This avoids potential cyclic
       * dependencies and thus dead lock.
       */
       the_thread->Life.terminator = executing;
       _Thread_Set_state( executing, STATES_WAITING_FOR_TERMINATION );
    }

    _Thread_Request_life_change(
      the_thread,
      executing,
      executing->current_priority,
      THREAD_LIFE_TERMINATING
    );
  }
}

Example #2

File: threadrestart.c Project: valabojub79/rtems-iAptiv-Port

void _Thread_Cancel(
  Thread_Control *the_thread,
  Thread_Control *executing,
  void           *exit_value
)
{
  ISR_lock_Context   lock_context;
  Thread_Life_state  previous;
  Per_CPU_Control   *cpu_self;
  Priority_Control   priority;

  _Assert( the_thread != executing );

  _Thread_State_acquire( the_thread, &lock_context );

  _Thread_Set_exit_value( the_thread, exit_value );
  previous = _Thread_Change_life_locked(
    the_thread,
    0,
    THREAD_LIFE_TERMINATING,
    0
  );

  cpu_self = _Thread_Dispatch_disable_critical( &lock_context );
  priority = _Thread_Get_priority( executing );

  if ( _States_Is_dormant( the_thread->current_state ) ) {
    _Thread_State_release( the_thread, &lock_context );
    _Thread_Make_zombie( the_thread );
  } else if ( _Thread_Is_life_change_allowed( previous ) ) {
    _Thread_Add_life_change_request( the_thread );
    _Thread_State_release( the_thread, &lock_context );

    _Thread_Finalize_life_change( the_thread, priority );
  } else {
    _Thread_Add_life_change_request( the_thread );
    _Thread_Clear_state_locked( the_thread, STATES_SUSPENDED );
    _Thread_State_release( the_thread, &lock_context );

    _Thread_Raise_real_priority( the_thread, priority );
    _Thread_Remove_life_change_request( the_thread );
  }

  _Thread_Dispatch_enable( cpu_self );
}

Example #3

File: threadrestart.c Project: valabojub79/rtems-iAptiv-Port

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();
}

Example #4

File: threadrestart.c Project: Avanznow/rtems

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();
    }
  }
}