/* * nghttp2 - HTTP/2.0 C Library * * Copyright (c) 2012 Tatsuhiro Tsujikawa * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef EVENT_POLL_EPOLL_H #define EVENT_POLL_EPOLL_H #include "nghttp2_config.h" #include #include #include "EventPollEvent.h" namespace nghttp2 { class EventPoll { public: EventPoll(size_t max_events); ~EventPoll(); // Returns 0 if this function succeeds, or -1. // On success int poll(int timeout); // Returns number of events detected in previous call of poll(). int get_num_events(); // Returns events of p-eth event. int get_events(size_t p); // Returns user data of p-th event. void* get_user_data(size_t p); // Adds/Modifies event to watch. int ctl_event(int op, int fd, int events, void *user_data); private: int epfd_; size_t max_events_; epoll_event *evlist_; size_t num_events_; }; } // namespace nghttp2 #endif // EVENT_POLL_EPOLL_H