MPD: system/SignalFD.hxx Source File

MPD 0.20.18

SignalFD.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_SIGNAL_FD_HXX
21 #define MPD_SIGNAL_FD_HXX
22
23 #include "check.h"
24 #include "FileDescriptor.hxx"
25
26 #include <signal.h>
27
31 class SignalFD {
32 FileDescriptor fd;
33
34 public:
35 SignalFD():fd(-1) {}
36 ~SignalFD() {
37 Close();
38 }
39
40 SignalFD(const SignalFD &other) = delete;
41 SignalFD &operator=(const SignalFD &other) = delete;
42
48 void Create(const sigset_t &mask);
49 void Close();
50
51 int Get() const {
52 return fd.Get();
53 }
54
60 int Read();
61 };
62
63 #endif
check.h
SignalFD::Get
int Get() const
Definition: SignalFD.hxx:51
SignalFD::Close
void Close()
SignalFD
A class that wraps signalfd().
Definition: SignalFD.hxx:31
SignalFD::operator=
SignalFD & operator=(const SignalFD &other)=delete
SignalFD::Read
int Read()
Read the next signal from the file descriptor.
SignalFD::~SignalFD
~SignalFD()
Definition: SignalFD.hxx:36
SignalFD::Create
void Create(const sigset_t &mask)
Create the signalfd or update its mask.
FileDescriptor
An OO wrapper for a UNIX file descriptor.
Definition: FileDescriptor.hxx:49
SignalFD::SignalFD
SignalFD()
Definition: SignalFD.hxx:35
FileDescriptor::Get
constexpr int Get() const
Returns the file descriptor.
Definition: FileDescriptor.hxx:69
FileDescriptor.hxx