From 7c3efef8927e4f010a89159ecfd3d6aff3b0be72 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Wed, 20 Jun 2012 15:01:29 +0000
Subject: [PATCH] print out a stacktrace if there is no room to send a request
 to the UI thread

git-svn-id: svn://localhost/ardour2/branches/2.0-ongoing@12797 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 libs/pbd/pbd/abstract_ui.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libs/pbd/pbd/abstract_ui.cc b/libs/pbd/pbd/abstract_ui.cc
index 02b5a234f2..132343682e 100644
--- a/libs/pbd/pbd/abstract_ui.cc
+++ b/libs/pbd/pbd/abstract_ui.cc
@@ -4,6 +4,7 @@
 #include <pbd/abstract_ui.h>
 #include <pbd/pthread_utils.h>
 #include <pbd/failed_constructor.h>
+#include <pbd/stacktrace.h>
 
 #include "i18n.h"
 
@@ -102,6 +103,7 @@ AbstractUI<RequestObject>::get_request (RequestType rt)
 		if (vec.len[1] == 0) {
 			cerr << string_compose ("no space in %1-UI request buffer for thread %2", name(), pthread_name())
 			     << endl;
+                        PBD::stacktrace (std::cerr, 20);
 			return 0;
 		} else {
 			vec.buf[1]->type = rt;