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