From a64926234f8a172adea2dc01280b8a9ce3f74fd8 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Thu, 19 Jun 2008 00:24:13 +0000
Subject: [PATCH] prevent periodic auto-save from causing GUI deadlock waiting
 for the Locations lock to be released while export-ranges happens. this fix
 might be updated with a better one later.

git-svn-id: svn://localhost/ardour2/branches/2.0-ongoing@3479 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 gtk2_ardour/ardour_ui.cc | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/gtk2_ardour/ardour_ui.cc b/gtk2_ardour/ardour_ui.cc
index 2800c68037..b5a19e388e 100644
--- a/gtk2_ardour/ardour_ui.cc
+++ b/gtk2_ardour/ardour_ui.cc
@@ -532,6 +532,14 @@ ARDOUR_UI::save_ardour_state ()
 gint
 ARDOUR_UI::autosave_session ()
 {
+	if (g_main_depth() > 1) {
+		/* inside a recursive main loop,
+		   give up because we may not be able to 
+		   take a lock.
+		*/
+		return 1;
+	}
+
         if (!Config->get_periodic_safety_backups())
                 return 1;