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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | /* | |
4 | * Ceph - scalable distributed file system | |
5 | * | |
6 | * Copyright (C) 2014 UnitedStack <haomai@unitedstack.com> | |
7 | * | |
8 | * Author: Haomai Wang <haomaiwang@gmail.com> | |
9 | * | |
10 | * This is free software; you can redistribute it and/or | |
11 | * modify it under the terms of the GNU Lesser General Public | |
12 | * License version 2.1, as published by the Free Software | |
13 | * Foundation. See file COPYING. | |
14 | * | |
15 | */ | |
16 | ||
17 | #ifndef CEPH_MSG_EVENTEPOLL_H | |
18 | #define CEPH_MSG_EVENTEPOLL_H | |
19 | ||
20 | #include <unistd.h> | |
21 | #include <sys/epoll.h> | |
22 | ||
23 | #include "Event.h" | |
24 | ||
25 | class EpollDriver : public EventDriver { | |
26 | int epfd; | |
27 | struct epoll_event *events; | |
28 | CephContext *cct; | |
9f95a23c | 29 | int nevent; |
7c673cae FG |
30 | |
31 | public: | |
9f95a23c | 32 | explicit EpollDriver(CephContext *c): epfd(-1), events(NULL), cct(c), nevent(0) {} |
7c673cae FG |
33 | ~EpollDriver() override { |
34 | if (epfd != -1) | |
35 | close(epfd); | |
36 | ||
37 | if (events) | |
38 | free(events); | |
39 | } | |
40 | ||
41 | int init(EventCenter *c, int nevent) override; | |
42 | int add_event(int fd, int cur_mask, int add_mask) override; | |
43 | int del_event(int fd, int cur_mask, int del_mask) override; | |
44 | int resize_events(int newsize) override; | |
45 | int event_wait(vector<FiredFileEvent> &fired_events, | |
46 | struct timeval *tp) override; | |
47 | }; | |
48 | ||
49 | #endif |