From d80de6c81ab37e1b3bc7abe91946f5ebcaa95515 Mon Sep 17 00:00:00 2001
From: James Thomas <james.thomas@codethink.co.uk>
Date: Mon, 16 Jul 2018 11:13:38 +0100
Subject: [PATCH] Use PTHREAD_EXPLICIT_SCHED for non RT threads

This prevents jack control threads from inheriting RT priorities from
other applications that may be using this in another RT thread
---
 posix/JackPosixThread.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/posix/JackPosixThread.cpp b/posix/JackPosixThread.cpp
index e11358cb..44205a9e 100644
--- a/posix/JackPosixThread.cpp
+++ b/posix/JackPosixThread.cpp
@@ -134,6 +134,9 @@ int JackPosixThread::StartImp(jack_native_thread_t* thread, int priority, int re
 
     } else {
         jack_log("JackPosixThread::StartImp : create non RT thread");
+        if ((res = pthread_attr_setinheritsched(&attributes, PTHREAD_EXPLICIT_SCHED))) {
+            jack_log("Cannot request explicit scheduling for non RT thread res = %d", res);
+        }
     }
 
     if ((res = pthread_attr_setstacksize(&attributes, THREAD_STACK))) {