Example #1
0
static void _Thread_Free( Thread_Control *the_thread )
{
  _User_extensions_Thread_delete( the_thread );

  /*
   * Free the per-thread scheduling information.
   */
  _Scheduler_Node_destroy( _Scheduler_Get( the_thread ), the_thread );

  /*
   *  The thread might have been FP.  So deal with that.
   */
#if ( CPU_HARDWARE_FP == TRUE ) || ( CPU_SOFTWARE_FP == TRUE )
#if ( CPU_USE_DEFERRED_FP_SWITCH == TRUE )
  if ( _Thread_Is_allocated_fp( the_thread ) )
    _Thread_Deallocate_fp();
#endif

  _Workspace_Free( the_thread->Start.fp_context );
#endif

  /*
   *  Free the rest of the memory associated with this task
   *  and set the associated pointers to NULL for safety.
   */
  _Thread_Stack_Free( the_thread );

  _Workspace_Free( the_thread->Start.tls_area );

  _Objects_Free(
    _Objects_Get_information_id( the_thread->Object.id ),
    &the_thread->Object
  );
}
Example #2
0
static void _Thread_Free( Thread_Control *the_thread )
{
  Thread_Information *information = (Thread_Information *)
    _Objects_Get_information_id( the_thread->Object.id );

  _User_extensions_Thread_delete( the_thread );
  _User_extensions_Destroy_iterators( the_thread );
  _ISR_lock_Destroy( &the_thread->Keys.Lock );
  _Scheduler_Node_destroy(
    _Thread_Scheduler_get_home( the_thread ),
    _Thread_Scheduler_get_home_node( the_thread )
  );
  _ISR_lock_Destroy( &the_thread->Timer.Lock );

  /*
   *  The thread might have been FP.  So deal with that.
   */
#if ( CPU_HARDWARE_FP == TRUE ) || ( CPU_SOFTWARE_FP == TRUE )
#if ( CPU_USE_DEFERRED_FP_SWITCH == TRUE )
  if ( _Thread_Is_allocated_fp( the_thread ) )
    _Thread_Deallocate_fp();
#endif

  _Workspace_Free( the_thread->Start.fp_context );
#endif

  _Freechain_Put(
    &information->Free_thread_queue_heads,
    the_thread->Wait.spare_heads
  );

  /*
   *  Free the rest of the memory associated with this task
   *  and set the associated pointers to NULL for safety.
   */
  _Thread_Stack_Free( the_thread );

  _Workspace_Free( the_thread->Start.tls_area );

#if defined(RTEMS_SMP)
  _ISR_lock_Destroy( &the_thread->Scheduler.Lock );
  _ISR_lock_Destroy( &the_thread->Wait.Lock.Default );
  _SMP_lock_Stats_destroy( &the_thread->Potpourri_stats );
#endif

  _Thread_queue_Destroy( &the_thread->Join_queue );

  _Objects_Free( &information->Objects, &the_thread->Object );
}
Example #3
0
void _Thread_Close(
  Objects_Information  *information,
  Thread_Control       *the_thread
)
{
  /*
   *  Now we are in a dispatching critical section again and we
   *  can take the thread OUT of the published set.  It is invalid
   *  to use this thread's Id after this call.  This will prevent
   *  any other task from attempting to initiate a call on this task.
   */
  _Objects_Invalidate_Id( information, &the_thread->Object );

  /*
   *  We assume the Allocator Mutex is locked when we get here.
   *  This provides sufficient protection to let the user extensions
   *  run but as soon as we get back, we will make the thread
   *  disappear and set a transient state on it.  So we temporarily
   *  unnest dispatching.
   */
  _Thread_Unnest_dispatch();

  _User_extensions_Thread_delete( the_thread );

  _Thread_Disable_dispatch();

  /*
   *  Now we are in a dispatching critical section again and we
   *  can take the thread OUT of the published set.  It is invalid
   *  to use this thread's Id OR name after this call.
   */
  _Objects_Close( information, &the_thread->Object );

  /*
   *  By setting the dormant state, the thread will not be considered
   *  for scheduling when we remove any blocking states.
   */
  _Thread_Set_state( the_thread, STATES_DORMANT );

  if ( !_Thread_queue_Extract_with_proxy( the_thread ) ) {
    if ( _Watchdog_Is_active( &the_thread->Timer ) )
      (void) _Watchdog_Remove( &the_thread->Timer );
  }

  /*
   * Free the per-thread scheduling information.
   */
  _Scheduler_Free( the_thread );

  /*
   *  The thread might have been FP.  So deal with that.
   */
#if ( CPU_HARDWARE_FP == TRUE ) || ( CPU_SOFTWARE_FP == TRUE )
#if ( CPU_USE_DEFERRED_FP_SWITCH == TRUE )
  if ( _Thread_Is_allocated_fp( the_thread ) )
    _Thread_Deallocate_fp();
#endif
  the_thread->fp_context = NULL;

  _Workspace_Free( the_thread->Start.fp_context );
#endif

  /*
   *  Free the rest of the memory associated with this task
   *  and set the associated pointers to NULL for safety.
   */
  _Thread_Stack_Free( the_thread );
  the_thread->Start.stack = NULL;

  _Workspace_Free( the_thread->extensions );
  the_thread->extensions = NULL;

  _Workspace_Free( the_thread->Start.tls_area );
}