MPD  0.20.6
MaskMonitor.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_MASK_MONITOR_HXX
21 #define MPD_EVENT_MASK_MONITOR_HXX
22 
23 #include "check.h"
24 #include "DeferredMonitor.hxx"
25 #include "util/BindMethod.hxx"
26 
27 #include <atomic>
28 
37  const Callback callback;
38 
39  std::atomic_uint pending_mask;
40 
41 public:
42  MaskMonitor(EventLoop &_loop, Callback _callback)
43  :DeferredMonitor(_loop), callback(_callback), pending_mask(0) {}
44 
47 
48  void OrMask(unsigned new_mask);
49 
50 protected:
51  /* virtual methode from class DeferredMonitor */
52  void RunDeferred() override;
53 };
54 
55 #endif
EventLoop & GetEventLoop()
An event loop that polls for events on file/socket descriptors.
Definition: Loop.hxx:51
Manage a bit mask of events that have occurred.
Definition: MaskMonitor.hxx:35
Defer execution of an event into an EventLoop.
This object stores a function pointer wrapping a method, and a reference to an instance of the method...
Definition: BindMethod.hxx:44
void OrMask(unsigned new_mask)
void RunDeferred() override
MaskMonitor(EventLoop &_loop, Callback _callback)
Definition: MaskMonitor.hxx:42