Panda3D
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nodeReferenceCount.cxx
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1/**
2 * PANDA 3D SOFTWARE
3 * Copyright (c) Carnegie Mellon University. All rights reserved.
4 *
5 * All use of this software is subject to the terms of the revised BSD
6 * license. You should have received a copy of this license along
7 * with this source code in a file named "LICENSE."
8 *
9 * @file nodeReferenceCount.cxx
10 * @author drose
11 * @date 2006-05-01
12 */
13
14#include "nodeReferenceCount.h"
15
16TypeHandle NodeReferenceCount::_type_handle;
17
18/**
19 * Does some easy checks to make sure that the reference count isn't
20 * completely bogus.
21 */
22bool NodeReferenceCount::
23do_test_ref_count_integrity() const {
24 // If this assertion fails, we're trying to delete an object that was just
25 // deleted. Possibly you used a real pointer instead of a PointerTo at some
26 // point, and the object was deleted when the PointerTo went out of scope.
27 // Maybe you tried to create an automatic (local variable) instance of a
28 // class that derives from ReferenceCount. Or maybe your headers are out of
29 // sync, and you need to make clean in direct or some higher tree.
30 nassertr(_node_ref_count != -100, false);
31
32 // If this assertion fails, the reference counts are all screwed up
33 // altogether. Maybe some errant code stomped all over memory somewhere.
34 nassertr(_node_ref_count >= 0, false);
35
36 return ReferenceCount::do_test_ref_count_integrity();
37}
TypeHandle is the identifier used to differentiate C++ class types.
Definition typeHandle.h:81
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.