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/*
* Copyright 2003-2017 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 "MaskMonitor.hxx"
void
MaskMonitor::OrMask(unsigned new_mask)
{
if (pending_mask.fetch_or(new_mask) == 0)
defer.Schedule();
}
void
MaskMonitor::RunDeferred() noexcept
{
const unsigned mask = pending_mask.exchange(0);
if (mask != 0)
callback(mask);
}
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