EventChannelHandler.h
Go to the documentation of this file.00001 /******************************************************************************* 00002 * 00003 * Copyright (c) 2008-2010 Michael Schulze <mschulze@ivs.cs.uni-magdeburg.de> 00004 * All rights reserved. 00005 * 00006 * Redistribution and use in source and binary forms, with or without 00007 * modification, are permitted provided that the following conditions 00008 * are met: 00009 * 00010 * * Redistributions of source code must retain the above copyright 00011 * notice, this list of conditions and the following disclaimer. 00012 * 00013 * * Redistributions in binary form must reproduce the above copyright 00014 * notice, this list of conditions and the following disclaimer in 00015 * the documentation and/or other materials provided with the 00016 * distribution. 00017 * 00018 * * Neither the name of the copyright holders nor the names of 00019 * contributors may be used to endorse or promote products derived 00020 * from this software without specific prior written permission. 00021 * 00022 * 00023 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 00024 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 00025 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 00026 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 00027 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00028 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00029 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00030 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00031 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00032 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00033 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00034 * 00035 * 00036 * $Id$ 00037 * 00038 ******************************************************************************/ 00039 00040 #ifndef __EventChannelHandler_h__ 00041 #define __EventChannelHandler_h__ 00042 00043 #include <stddef.h> 00044 #include <stdint.h> 00045 00046 namespace famouso { 00047 namespace mw { 00048 namespace el { 00049 00057 template < class EL > 00058 class EventChannelHandler : public EL { 00059 00063 void* operator new(size_t, void* __p) { 00064 return __p; 00065 } 00066 00067 public: 00070 static inline EL& ech() { 00071 // definition of the event channel handler 00072 static uint8_t _ech[sizeof(EL)]; 00073 return reinterpret_cast<EL&>(_ech); 00074 } 00075 00076 00079 static void create() { 00080 // late/defered Constructor call on pre-allocated memory 00081 // using the placement new of C++ 00082 new(&ech()) EventChannelHandler; 00083 } 00084 00088 static void init() { 00089 ech().init(); 00090 } 00091 00092 }; 00093 00094 } // namespace el 00095 } // namespace mw 00096 } // namespace famouso 00097 00098 #endif /* __EventChannelHandler_h__ */ 00099