00001 /*************************************************************************** 00002 tag: Peter Soetens Wed Jan 18 14:11:38 CET 2006 Handle.hpp 00003 00004 Handle.hpp - description 00005 ------------------- 00006 begin : Wed January 18 2006 00007 copyright : (C) 2006 Peter Soetens 00008 email : peter.soetens@mech.kuleuven.be 00009 00010 *************************************************************************** 00011 * This library is free software; you can redistribute it and/or * 00012 * modify it under the terms of the GNU General Public * 00013 * License as published by the Free Software Foundation; * 00014 * version 2 of the License. * 00015 * * 00016 * As a special exception, you may use this file as part of a free * 00017 * software library without restriction. Specifically, if other files * 00018 * instantiate templates or use macros or inline functions from this * 00019 * file, or you compile this file and link it with other files to * 00020 * produce an executable, this file does not by itself cause the * 00021 * resulting executable to be covered by the GNU General Public * 00022 * License. This exception does not however invalidate any other * 00023 * reasons why the executable file might be covered by the GNU General * 00024 * Public License. * 00025 * * 00026 * This library is distributed in the hope that it will be useful, * 00027 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00028 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00029 * Lesser General Public License for more details. * 00030 * * 00031 * You should have received a copy of the GNU General Public * 00032 * License along with this library; if not, write to the Free Software * 00033 * Foundation, Inc., 59 Temple Place, * 00034 * Suite 330, Boston, MA 02111-1307 USA * 00035 * * 00036 ***************************************************************************/ 00037 00038 00039 #ifndef ORO_CORELIB_SIGNAL_HANDLE_HPP 00040 #define ORO_CORELIB_SIGNAL_HANDLE_HPP 00041 00042 #include "internal/SignalBase.hpp" 00043 00044 namespace RTT 00045 { 00066 class RTT_API Handle 00067 { 00068 private: 00069 typedef internal::SignalBase sender_t; 00070 typedef sender_t::connection_t connection_t; 00071 public: 00075 Handle(); 00076 00077 Handle(connection_t conn); 00078 00082 Handle(const Handle& hs); 00083 00087 ~Handle(); 00088 00094 bool connect(); 00095 00101 bool disconnect(); 00102 00108 bool connected() const; 00109 00114 operator bool() const; 00115 00120 bool ready() const; 00121 protected: 00126 connection_t m_conn; 00127 }; 00128 00137 class RTT_API ScopedHandle 00138 :public Handle 00139 { 00140 ScopedHandle(); 00141 public: 00142 00143 ScopedHandle(const Handle& hs); 00144 00150 ~ScopedHandle(); 00151 }; 00152 00163 class RTT_API CleanupHandle 00164 :public Handle 00165 { 00166 CleanupHandle(); 00167 public: 00168 00169 CleanupHandle(const Handle& hs); 00170 00176 ~CleanupHandle(); 00177 }; 00178 } 00179 #endif