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typeRegistry.I
00001 // Filename: typeRegistry.I
00002 // Created by:  drose (06Aug01)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 
00016 ////////////////////////////////////////////////////////////////////
00017 //     Function: TypeRegistry::freshen_derivations
00018 //       Access: Private
00019 //  Description: Rebuilds the derivation data structures after some
00020 //               derivation relationship has been modified, so that
00021 //               class relationships can quickly be determined.
00022 ////////////////////////////////////////////////////////////////////
00023 INLINE void TypeRegistry::
00024 freshen_derivations() {
00025   if (!_derivations_fresh) {
00026     rebuild_derivations();
00027     _derivations_fresh = true;
00028   }
00029 }
00030 
00031 ////////////////////////////////////////////////////////////////////
00032 //     Function: TypeRegistry::init_lock
00033 //       Access: Private, Static
00034 //  Description: Ensures the lock pointer has been allocated.
00035 ////////////////////////////////////////////////////////////////////
00036 INLINE void TypeRegistry::
00037 init_lock() {
00038   if (_lock == (MutexImpl *)NULL) {
00039     _lock = new MutexImpl;
00040   }
00041 }
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