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event/DeferredCall: new class supposed to replace DeferredMonitor

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Comes with a callback pointer instead of a virtual method, which
allows multiple instances in one class.
This commit is contained in:
Max Kellermann 2016-06-17 18:20:11 +02:00
parent 863f4d8366
commit 829616534e
2 changed files with 51 additions and 0 deletions
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1
Makefile.am
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@ -494,6 +494,7 @@ libevent_a_SOURCES = \
src/event/TimeoutMonitor.hxx src/event/TimeoutMonitor.cxx \
src/event/IdleMonitor.hxx src/event/IdleMonitor.cxx \
src/event/DeferredMonitor.hxx src/event/DeferredMonitor.cxx \
src/event/DeferredCall.hxx \
src/event/MaskMonitor.hxx src/event/MaskMonitor.cxx \
src/event/SocketMonitor.cxx src/event/SocketMonitor.hxx \
src/event/BufferedSocket.cxx src/event/BufferedSocket.hxx \

50
src/event/DeferredCall.hxx Normal file
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@ -0,0 +1,50 @@
/*
* Copyright 2003-2016 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_EVENT_DEFERRED_CALL_HXX
#define MPD_EVENT_DEFERRED_CALL_HXX
#include "check.h"
#include "DeferredMonitor.hxx"
#include "util/BindMethod.hxx"
/**
* Invoke a method call in the #EventLoop.
*
* This class is thread-safe.
*/
class DeferredCall final : DeferredMonitor {
typedef BoundMethod<void()> Callback;
const Callback callback;
public:
DeferredCall(EventLoop &_loop, Callback _callback)
:DeferredMonitor(_loop), callback(_callback) {}
using DeferredMonitor::GetEventLoop;
using DeferredMonitor::Schedule;
using DeferredMonitor::Cancel;
protected:
void RunDeferred() override {
callback();
}
};
#endif