d44880dfa9
Add UpdateQueueItem::id to keep track of the id in every item. Replaces thhe hack in update_queue_push().
50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
/*
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* Copyright (C) 2003-2013 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "UpdateQueue.hxx"
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#include <queue>
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#include <list>
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static constexpr unsigned MAX_UPDATE_QUEUE_SIZE = 32;
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static std::queue<UpdateQueueItem, std::list<UpdateQueueItem>> update_queue;
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bool
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update_queue_push(const char *path, bool discard, unsigned id)
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{
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if (update_queue.size() >= MAX_UPDATE_QUEUE_SIZE)
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return false;
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update_queue.emplace(path, discard, id);
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return true;
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}
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UpdateQueueItem
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update_queue_shift()
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{
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if (update_queue.empty())
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return UpdateQueueItem();
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auto i = std::move(update_queue.front());
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update_queue.pop();
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return i;
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}
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