MPD: system/EventPipe.hxx Source File

MPD 0.20.18

EventPipe.hxx
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1 /*
2 * Copyright 2003-2017 The Music Player Daemon Project
3 * http://www.musicpd.org
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
19
20 #ifndef MPD_EVENT_PIPE_HXX
21 #define MPD_EVENT_PIPE_HXX
22
23 #include "check.h"
24
30 class EventPipe {
31 int fds[2];
32
33 public:
34 EventPipe();
35 ~EventPipe();
36
37 EventPipe(const EventPipe &other) = delete;
38 EventPipe &operator=(const EventPipe &other) = delete;
39
40 int Get() const {
41 return fds[0];
42 }
43
48 bool Read();
49
54 void Write();
55 };
56
57 #endif /* MAIN_NOTIFY_H */
check.h
EventPipe::EventPipe
EventPipe()
EventPipe::Write
void Write()
Wakes up the reader.
EventPipe
A pipe that can be used to trigger an event to the read side.
Definition: EventPipe.hxx:30
EventPipe::Read
bool Read()
Checks if Write() was called at least once since the last Read() call.
EventPipe::operator=
EventPipe & operator=(const EventPipe &other)=delete
EventPipe::Get
int Get() const
Definition: EventPipe.hxx:40
EventPipe::~EventPipe
~EventPipe()