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/*
* Copyright (C) 2003-2013 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.
*/
#include "config.h"
#include "DeferredMonitor.hxx"
#include "Loop.hxx"
void
DeferredMonitor::Cancel()
{
#ifdef USE_EPOLL
pending = false;
#else
const auto id = source_id.exchange(0);
if (id != 0)
g_source_remove(id);
#endif
}
void
DeferredMonitor::Schedule()
{
#ifdef USE_EPOLL
if (!pending.exchange(true))
fd.Write();
#else
const unsigned id = loop.AddIdle(Callback, this);
const auto old_id = source_id.exchange(id);
if (old_id != 0)
g_source_remove(old_id);
#endif
}
#ifdef USE_EPOLL
bool
DeferredMonitor::OnSocketReady(unsigned)
{
fd.Read();
if (pending.exchange(false))
RunDeferred();
return true;
}
#else
void
DeferredMonitor::Run()
{
const auto id = source_id.exchange(0);
if (id != 0)
RunDeferred();
}
gboolean
DeferredMonitor::Callback(gpointer data)
{
DeferredMonitor &monitor = *(DeferredMonitor *)data;
monitor.Run();
return false;
}
#endif
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