Fix crash when sending port notifications (fix #741).

Use a simpler system for port change notifications (abusing Event, which is virtual and thus can't be ringbuffered safely, was the cause of this crash).


git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@3438 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 60 insertions, 0 deletions

diff --git a/src/server/Notification.hpp b/src/server/Notification.hpp
new file mode 100644
index 00000000..f6824318
--- /dev/null
+++ b/src/server/Notification.hpp
@@ -0,0 +1,60 @@
+/* This file is part of Ingen.
+ * Copyright 2007-2011 David Robillard <http://drobilla.net>
+ *
+ * Ingen 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.
+ *
+ * Ingen 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 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 St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef INGEN_ENGINE_NOTIFICATION_HPP
+#define INGEN_ENGINE_NOTIFICATION_HPP
+
+#include "raul/Atom.hpp"
+
+#include "ControlBindings.hpp"
+#include "types.hpp"
+
+namespace Ingen {
+namespace Server {
+
+class Engine;
+class PortImpl;
+
+struct Notification
+{
+	enum Type {
+		NIL,
+		PORT_VALUE,
+		PORT_ACTIVITY,
+		PORT_BINDING
+	};
+
+	Notification(
+		Type                        type  = NIL,
+		FrameTime                   time  = 0,
+		PortImpl*                   port  = 0,
+		const Raul::Atom&           value = Raul::Atom(),
+		const ControlBindings::Type btype = ControlBindings::NULL_CONTROL);
+
+	void post_process(Engine& engine);
+
+	Type                        type;
+	const ControlBindings::Type binding_type;
+	FrameTime                   time;
+	PortImpl*                   port;
+	const Raul::Atom            value;
+};
+
+} // namespace Server
+} // namespace Ingen
+
+#endif // INGEN_ENGINE_NOTIFICATION_HPP