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 );
}
void _CORE_message_queue_Close(
CORE_message_queue_Control *the_message_queue,
Thread_queue_Context *queue_context
)
{
/*
* This will flush blocked threads whether they were blocked on
* a send or receive.
*/
_Thread_queue_Flush_critical(
&the_message_queue->Wait_queue.Queue,
the_message_queue->operations,
_CORE_message_queue_Was_deleted,
queue_context
);
(void) _Workspace_Free( the_message_queue->message_buffers );
_Thread_queue_Destroy( &the_message_queue->Wait_queue );
}
rtems_status_code rtems_semaphore_delete(
rtems_id id
)
{
Semaphore_Control *the_semaphore;
Thread_queue_Context queue_context;
Status_Control status;
_Objects_Allocator_lock();
the_semaphore = _Semaphore_Get( id, &queue_context );
if ( the_semaphore == NULL ) {
_Objects_Allocator_unlock();
#if defined(RTEMS_MULTIPROCESSING)
if ( _Semaphore_MP_Is_remote( id ) ) {
return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
}
#endif
return RTEMS_INVALID_ID;
}
_Thread_queue_Acquire_critical(
&the_semaphore->Core_control.Wait_queue,
&queue_context.Lock_context
);
switch ( the_semaphore->variant ) {
case SEMAPHORE_VARIANT_MUTEX_INHERIT_PRIORITY:
case SEMAPHORE_VARIANT_MUTEX_PRIORITY_CEILING:
case SEMAPHORE_VARIANT_MUTEX_NO_PROTOCOL:
if (
_CORE_mutex_Is_locked(
&the_semaphore->Core_control.Mutex.Recursive.Mutex
)
) {
status = STATUS_RESOURCE_IN_USE;
} else {
status = STATUS_SUCCESSFUL;
}
break;
#if defined(RTEMS_SMP)
case SEMAPHORE_VARIANT_MRSP:
status = _MRSP_Can_destroy( &the_semaphore->Core_control.MRSP );
break;
#endif
default:
_Assert(
the_semaphore->variant == SEMAPHORE_VARIANT_SIMPLE_BINARY
|| the_semaphore->variant == SEMAPHORE_VARIANT_COUNTING
);
status = STATUS_SUCCESSFUL;
break;
}
if ( status != STATUS_SUCCESSFUL ) {
_Thread_queue_Release(
&the_semaphore->Core_control.Wait_queue,
&queue_context.Lock_context
);
_Objects_Allocator_unlock();
return _Status_Get( status );
}
_Objects_Close( &_Semaphore_Information, &the_semaphore->Object );
switch ( the_semaphore->variant ) {
#if defined(RTEMS_SMP)
case SEMAPHORE_VARIANT_MRSP:
_MRSP_Destroy( &the_semaphore->Core_control.MRSP, &queue_context );
break;
#endif
default:
_Assert(
the_semaphore->variant == SEMAPHORE_VARIANT_MUTEX_INHERIT_PRIORITY
|| the_semaphore->variant == SEMAPHORE_VARIANT_MUTEX_PRIORITY_CEILING
|| the_semaphore->variant == SEMAPHORE_VARIANT_MUTEX_NO_PROTOCOL
|| the_semaphore->variant == SEMAPHORE_VARIANT_SIMPLE_BINARY
|| the_semaphore->variant == SEMAPHORE_VARIANT_COUNTING
);
_Thread_queue_Flush_critical(
&the_semaphore->Core_control.Wait_queue.Queue,
_Semaphore_Get_operations( the_semaphore ),
_Thread_queue_Flush_status_object_was_deleted,
&queue_context
);
_Thread_queue_Destroy( &the_semaphore->Core_control.Wait_queue );
break;
}
#if defined(RTEMS_MULTIPROCESSING)
if ( the_semaphore->is_global ) {
_Objects_MP_Close( &_Semaphore_Information, id );
_Semaphore_MP_Send_process_packet(
SEMAPHORE_MP_ANNOUNCE_DELETE,
id,
0, /* Not used */
0 /* Not used */
);
}
#endif
_Semaphore_Free( the_semaphore );
_Objects_Allocator_unlock();
return RTEMS_SUCCESSFUL;
}
