00001 /* +---------------------------------------------------------------------------+ 00002 | The Mobile Robot Programming Toolkit (MRPT) C++ library | 00003 | | 00004 | http://www.mrpt.org/ | 00005 | | 00006 | Copyright (C) 2005-2011 University of Malaga | 00007 | | 00008 | This software was written by the Machine Perception and Intelligent | 00009 | Robotics Lab, University of Malaga (Spain). | 00010 | Contact: Jose-Luis Blanco <jlblanco@ctima.uma.es> | 00011 | | 00012 | This file is part of the MRPT project. | 00013 | | 00014 | MRPT is free software: you can redistribute it and/or modify | 00015 | it under the terms of the GNU General Public License as published by | 00016 | the Free Software Foundation, either version 3 of the License, or | 00017 | (at your option) any later version. | 00018 | | 00019 | MRPT is distributed in the hope that it will be useful, | 00020 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 00021 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 00022 | GNU General Public License for more details. | 00023 | | 00024 | You should have received a copy of the GNU General Public License | 00025 | along with MRPT. If not, see <http://www.gnu.org/licenses/>. | 00026 | | 00027 +---------------------------------------------------------------------------+ */ 00028 #ifndef mrpt_synch_event_H 00029 #define mrpt_synch_event_H 00030 00031 #include <mrpt/utils/utils_defs.h> 00032 #include <mrpt/utils/CStream.h> 00033 #include <mrpt/utils/CReferencedMemBlock.h> 00034 00035 /*--------------------------------------------------------------- 00036 Class 00037 ---------------------------------------------------------------*/ 00038 namespace mrpt 00039 { 00040 namespace synch 00041 { 00042 /** This class provides a simple way of waiting for and signaling events (NOT IMPLEMENTED YET!). 00043 * \ingroup synch_grp 00044 */ 00045 class BASE_IMPEXP CEvent 00046 { 00047 private: 00048 utils::CReferencedMemBlock m_data; 00049 00050 public: 00051 /** Constructor: set the initial signaled state of the event. 00052 */ 00053 CEvent( bool initialSignaled ); 00054 00055 /** Destructor 00056 */ 00057 ~CEvent(); 00058 00059 /** Signal the event: the first waiting thread resumes execution (if no thread is waiting, the object keeps signaled) 00060 */ 00061 void signal(); 00062 00063 /** Waits for the event to be signaled. 00064 */ 00065 void wait(); 00066 00067 /** Manual reset of the event, without waiting to a signaled state (without effect if it is currently not signaled) 00068 */ 00069 void reset(); 00070 }; 00071 00072 } // End of namespace 00073 00074 } // End of namespace 00075 00076 #endif
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