event: add function BlockingCall()

Replaces io_thread_call().  This approach is more generic and easier
to use due to std::function.

1 files changed, 36 insertions, 0 deletions

diff --git a/src/event/Call.hxx b/src/event/Call.hxx
new file mode 100644
index 000000000..34d886ca5
--- /dev/null
+++ b/src/event/Call.hxx
@@ -0,0 +1,36 @@
+/*
+ * 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.
+ */
+
+#ifndef MPD_EVENT_CALL_HXX
+#define MPD_EVENT_CALL_HXX
+
+#include "check.h"
+
+#include <functional>
+
+class EventLoop;
+
+/**
+ * Call the given function in the context of the #EventLoop, and wait
+ * for it to finish.
+ */
+void
+BlockingCall(EventLoop &loop, std::function<void()> &&f);
+
+#endif /* MAIN_NOTIFY_H */