blob: 1b75da0b1b0757ea27ba6c1b0dbdd12daeab956f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2014 UnitedStack <haomai@unitedstack.com>
*
* Author: Haomai Wang <haomaiwang@gmail.com>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#ifndef CEPH_MSG_EVENTSELECT_H
#define CEPH_MSG_EVENTSELECT_H
#include "Event.h"
class SelectDriver : public EventDriver {
fd_set rfds, wfds;
/* We need to have a copy of the fd sets as it's not safe to reuse
* FD sets after select(). */
fd_set _rfds, _wfds;
int max_fd;
CephContext *cct;
public:
explicit SelectDriver(CephContext *c): max_fd(0), cct(c) {}
~SelectDriver() override {}
int init(EventCenter *c, int nevent) override;
int add_event(int fd, int cur_mask, int add_mask) override;
int del_event(int fd, int cur_mask, int del_mask) override;
int resize_events(int newsize) override;
int event_wait(vector<FiredFileEvent> &fired_events,
struct timeval *tp) override;
};
#endif
|