X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fmidi%2B%2B2%2Fmidi%2B%2B%2Fipmidi_port.h;h=7df964232150c768ef04e50ce41ca629eafdfd7b;hb=d5e14b3d9144400fb8026fb9783a5a8582c0ad87;hp=bf949bd60129cf962d9f936fd460221b934e257a;hpb=9b8fe0b09fb62fd96e21e219b916e3b61fab0150;p=ardour.git

diff --git a/libs/midi++2/midi++/ipmidi_port.h b/libs/midi++2/midi++/ipmidi_port.h
index bf949bd601..7df9642321 100644
--- a/libs/midi++2/midi++/ipmidi_port.h
+++ b/libs/midi++2/midi++/ipmidi_port.h
@@ -28,6 +28,8 @@
 #include <net/if.h>
 #endif
 
+#include <glibmm/thread.h>
+
 #include <jack/types.h>
 
 #include "pbd/xml++.h"
@@ -64,7 +66,8 @@ private:
     int sockin;
     int sockout;
     struct sockaddr_in addrout;
-    
+    Glib::Mutex write_lock;    
+
     bool open_sockets (int base_port, const std::string& ifname);
     void close_sockets ();