From 08296cd66d0ef4729767d97420fab96278a9af17 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Fri, 24 Jan 2014 00:24:43 +0100
Subject: Update*: move to update/

---
 src/update/UpdateQueue.cxx | 49 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 src/update/UpdateQueue.cxx

(limited to 'src/update/UpdateQueue.cxx')

diff --git a/src/update/UpdateQueue.cxx b/src/update/UpdateQueue.cxx
new file mode 100644
index 000000000..a6002f854
--- /dev/null
+++ b/src/update/UpdateQueue.cxx
@@ -0,0 +1,49 @@
+/*
+ * 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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