File indexing completed on 2024-05-19 09:36:34
0001 /* 0002 Copyright (C) 2015 Andreas Hartmetz <ahartmetz@gmail.com> 0003 0004 This library is free software; you can redistribute it and/or 0005 modify it under the terms of the GNU Library General Public 0006 License as published by the Free Software Foundation; either 0007 version 2 of the License, or (at your option) any later version. 0008 0009 This library is distributed in the hope that it will be useful, 0010 but WITHOUT ANY WARRANTY; without even the implied warranty of 0011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 0012 Library General Public License for more details. 0013 0014 You should have received a copy of the GNU Library General Public License 0015 along with this library; see the file COPYING.LGPL. If not, write to 0016 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 0017 Boston, MA 02110-1301, USA. 0018 0019 Alternatively, this file is available under the Mozilla Public License 0020 Version 1.1. You may obtain a copy of the License at 0021 http://www.mozilla.org/MPL/ 0022 */ 0023 0024 #ifndef SELECTEVENTPOLLER_H 0025 #define SELECTEVENTPOLLER_H 0026 0027 #include "ieventpoller.h" 0028 0029 #include <unordered_map> 0030 0031 #include <sys/select.h> 0032 0033 class SelectEventPoller : public IEventPoller 0034 { 0035 public: 0036 SelectEventPoller(EventDispatcher *dispatcher); 0037 ~SelectEventPoller(); 0038 IEventPoller::InterruptAction poll(int timeout) override; 0039 void interrupt(IEventPoller::InterruptAction) override; 0040 0041 // reimplemented from IEventPoller 0042 void addFileDescriptor(FileDescriptor fd, uint32 ioRw) override; 0043 void removeFileDescriptor(FileDescriptor fd) override; 0044 void setReadWriteInterest(FileDescriptor fd, uint32 ioRw) override; 0045 0046 private: 0047 void notifyRead(int fd); 0048 void resetFdSets(); 0049 0050 std::unordered_map<FileDescriptor, uint32 /*ioRw*/> m_fds; 0051 0052 fd_set m_readSet; 0053 fd_set m_writeSet; 0054 0055 int m_interruptPipe[2]; 0056 }; 0057 0058 #endif // SELECTEVENTPOLLER_H