From fb7569de9cb09a8a5af80966d242b0f0c08b29f4 Mon Sep 17 00:00:00 2001
From: Tobias Doerffel <tobias.doerffel@gmail.com>
Date: Fri, 18 Jul 2008 22:18:36 +0000
Subject: [PATCH] lock mixer while adding BB-track (finally closes #2014486)

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1344 0778d3d1-df1d-0410-868b-ea421aaaa00d
---
 src/core/song.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/core/song.cpp b/src/core/song.cpp
index f98b80440..9139cbc83 100644
--- a/src/core/song.cpp
+++ b/src/core/song.cpp
@@ -641,9 +641,11 @@ void song::removeBar( void )
 
 void song::addBBTrack( void )
 {
+	engine::getMixer()->lock();
 	track * t = track::create( track::BBTrack, this );
 	engine::getBBTrackContainer()->setCurrentBB(
 						bbTrack::numOfBBTrack( t ) );
+	engine::getMixer()->unlock();
 }