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
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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) {}
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
int Get() const
Definition: SignalFD.hxx:51
void Close()
A class that wraps signalfd().
Definition: SignalFD.hxx:31
SignalFD & operator=(const SignalFD &other)=delete
int Read()
Read the next signal from the file descriptor.
~SignalFD()
Definition: SignalFD.hxx:36
void Create(const sigset_t &mask)
Create the signalfd or update its mask.
An OO wrapper for a UNIX file descriptor.
SignalFD()
Definition: SignalFD.hxx:35
constexpr int Get() const
Returns the file descriptor.