1 files changed, 71 insertions, 0 deletions
diff --git a/src/Idle.cxx b/src/Idle.cxx
new file mode 100644
index 000000000..840a5d4e5
--- /dev/null
+++ b/src/Idle.cxx
@@ -0,0 +1,71 @@
+/*
+ * 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.
+ */
+
+/*
+ * Support library for the "idle" command.
+ *
+ */
+
+#include "config.h"
+#include "Idle.hxx"
+#include "GlobalEvents.hxx"
+
+#include <atomic>
+
+#include <assert.h>
+
+static std::atomic_uint idle_flags;
+
+static const char *const idle_names[] = {
+	"database",
+	"stored_playlist",
+	"playlist",
+	"player",
+	"mixer",
+	"output",
+	"options",
+	"sticker",
+	"update",
+	"subscription",
+	"message",
+	nullptr
+};
+
+void
+idle_add(unsigned flags)
+{
+	assert(flags != 0);
+
+	unsigned old_flags = idle_flags.fetch_or(flags);
+
+	if ((old_flags & flags) != flags)
+		GlobalEvents::Emit(GlobalEvents::IDLE);
+}
+
+unsigned
+idle_get(void)
+{
+	return idle_flags.exchange(0);
+}
+
+const char*const*
+idle_get_names(void)
+{
+        return idle_names;
+}