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/*
* Copyright (C) 2003-2014 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 "UpdateQueue.hxx"
#include <queue>
#include <list>
static constexpr unsigned MAX_UPDATE_QUEUE_SIZE = 32;
static std::queue<UpdateQueueItem, std::list<UpdateQueueItem>> update_queue;
bool
update_queue_push(const char *path, bool discard, unsigned id)
{
if (update_queue.size() >= MAX_UPDATE_QUEUE_SIZE)
return false;
update_queue.emplace(path, discard, id);
return true;
}
UpdateQueueItem
update_queue_shift()
{
if (update_queue.empty())
return UpdateQueueItem();
auto i = std::move(update_queue.front());
update_queue.pop();
return i;
}
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