00001 // Callback helper function implementation -*- C++ -*- 00002 00003 // $Id: callback_ref.h 347 2008-02-06 15:20:01Z schilly $ 00004 // Copyright (C) 2004 Hermann Schichl 00005 // 00006 // This file is part of the COCONUT API. This library 00007 // is free software; you can redistribute it and/or modify it under the 00008 // terms of the Library GNU General Public License as published by the 00009 // Free Software Foundation; either version 2, or (at your option) 00010 // any later version. 00011 00012 // This library is distributed in the hope that it will be useful, 00013 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 // Library GNU General Public License for more details. 00016 00017 // As a special exception, you may use this file as part of a free software 00018 // library without restriction. Specifically, if other files instantiate 00019 // templates or use macros or inline functions from this file, or you compile 00020 // this file and link it with other files to produce an executable, this 00021 // file does not by itself cause the resulting executable to be covered by 00022 // the Library GNU General Public License. This exception does not however 00023 // invalidate any other reasons why the executable file might be covered by 00024 // the Library GNU General Public License. 00025 00028 #ifndef _CALLBACK_REF_H_ 00029 #define _CALLBACK_REF_H_ 00030 00036 typedef unsigned int cb_ref_handle; 00037 00042 #define new_cb_ref() _new_cb_ref((void*)this) 00043 00044 extern "C" { 00052 cb_ref_handle _new_cb_ref(void* dest); 00053 } 00054 00055 extern "C" { 00060 int delete_cb_ref(cb_ref_handle ref); 00061 } 00062 00063 extern "C" { 00069 void* cb_ref(cb_ref_handle ref); 00070 } 00071 00072 #endif /* _CALLBACK_REF_H_ */