00001 /* -*- c++ -*- */ 00002 /* 00003 * Copyright 2005 Free Software Foundation, Inc. 00004 * 00005 * This file is part of GNU Radio 00006 * 00007 * GNU Radio is free software; you can redistribute it and/or modify 00008 * it under the terms of the GNU General Public License as published by 00009 * the Free Software Foundation; either version 2, or (at your option) 00010 * any later version. 00011 * 00012 * GNU Radio 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 * GNU General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU General Public License 00018 * along with GNU Radio; see the file COPYING. If not, write to 00019 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, 00020 * Boston, MA 02111-1307, USA. 00021 */ 00022 00023 #ifndef INCLUDED_GR_SELECT_HANDLER_H 00024 #define INCLUDED_GR_SELECT_HANDLER_H 00025 00026 #include <boost/shared_ptr.hpp> 00027 00028 class gr_select_handler; 00029 typedef boost::shared_ptr<gr_select_handler> gr_select_handler_sptr; 00030 00031 00037 class gr_select_handler 00038 { 00039 int d_fd; 00040 00041 protected: 00042 gr_select_handler(int file_descriptor); 00043 00044 public: 00045 virtual ~gr_select_handler(); 00046 00047 int fd() const { return d_fd; } 00048 int file_descriptor() const { return d_fd; } 00049 00056 virtual void handle_read() = 0; 00057 00064 virtual void handle_write() = 0; 00065 00072 virtual bool readable() { return true; } 00073 00080 virtual bool writable() { return true; } 00081 }; 00082 00083 #endif /* INCLUDED_GR_SELECT_HANDLER_H */
1.4.1