From 4a7a2f334dfff2df1449a8ba05aaf68219ff32eb Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Wed, 9 Oct 2013 19:29:04 -0400
Subject: [PATCH] force zero return for thread ID for non-external clients,
 since internal/driver clients have no separate thread

---
 libjack/client.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libjack/client.c b/libjack/client.c
index 99b4895..0173bac 100644
--- a/libjack/client.c
+++ b/libjack/client.c
@@ -2987,6 +2987,11 @@ jack_reset_max_delayed_usecs (jack_client_t *client)
 pthread_t
 jack_client_thread_id (jack_client_t *client)
 {
+        if (client->control->type != ClientExternal) {
+                /* Internal and driver clients run in ... ??? */
+                return 0;
+        } 
+
 	return client->thread_id;
 }