Panda3D
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00001 // Filename: pipelineCyclerLinks.h 00002 // Created by: drose (16Feb06) 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 #ifndef PIPELINECYCLERLINKS_H 00016 #define PIPELINECYCLERLINKS_H 00017 00018 #include "pandabase.h" 00019 #include "selectThreadImpl.h" // for THREADED_PIPELINE definition 00020 #include "pnotify.h" 00021 00022 //////////////////////////////////////////////////////////////////// 00023 // Class : PipelineCyclerLinks 00024 // Description : This just stores the pointers to implement a 00025 // doubly-linked list of PipelineCyclers for a 00026 // particular Pipeline object. We use a hand-rolled 00027 // linked list rather than any STL container, because we 00028 // want PipelineCyclers to be able to add and remove 00029 // themselves from this list very quickly. 00030 // 00031 // These pointers are inherited from this separate class 00032 // so the Pipeline object itself can be the root of the 00033 // linked list. 00034 //////////////////////////////////////////////////////////////////// 00035 class EXPCL_PANDA_PIPELINE PipelineCyclerLinks { 00036 protected: 00037 #ifdef THREADED_PIPELINE 00038 INLINE PipelineCyclerLinks(); 00039 INLINE ~PipelineCyclerLinks(); 00040 00041 INLINE void make_head(); 00042 INLINE void clear_head(); 00043 00044 INLINE void remove_from_list(); 00045 INLINE void insert_before(PipelineCyclerLinks *node); 00046 00047 INLINE void take_list(PipelineCyclerLinks &other); 00048 00049 PipelineCyclerLinks *_prev, *_next; 00050 #endif 00051 friend class Pipeline; 00052 }; 00053 00054 #include "pipelineCyclerLinks.I" 00055 00056 #endif