From d56018e0513f0159908927a2f429658acf3868c0 Mon Sep 17 00:00:00 2001
From: sletz <sletz@0c269be4-1314-0410-8aa9-9f06e86f4224>
Date: Fri, 6 Nov 2009 08:45:16 +0000
Subject: [PATCH] Correctly save and restore RT mode state in freewheel mode.

git-svn-id: http://subversion.jackaudio.org/jack/jack2/trunk/jackmp@3699 0c269be4-1314-0410-8aa9-9f06e86f4224
---
 ChangeLog                  |  4 ++++
 common/JackEngine.cpp      | 10 +++++++++-
 common/JackEngineControl.h |  2 ++
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 07738fc3..c96d2f49 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -25,6 +25,10 @@ Paul Davis
   Jackdmp changes log
 ---------------------------
 
+2009-11-06 Stephane Letz  <letz@grame.fr>
+
+	* Correctly save and restore RT mode state in freewheel mode.
+
 2009-11-05 Stephane Letz  <letz@grame.fr>
 
 	* No reason to make jack_on_shutdown deprecated, so revert the incorrect change.
diff --git a/common/JackEngine.cpp b/common/JackEngine.cpp
index 83a22ad4..8e798e5e 100644
--- a/common/JackEngine.cpp
+++ b/common/JackEngine.cpp
@@ -305,7 +305,15 @@ void JackEngine::NotifyFailure(int code, const char* reason)
     
 void JackEngine::NotifyFreewheel(bool onoff)
 {
-    fEngineControl->fRealTime = !onoff;
+    if (onoff) {
+        // Save RT state
+        fEngineControl->fFWRealTime = fEngineControl->fRealTime;
+        fEngineControl->fRealTime = false;
+    } else {
+        // Restore RT state
+        fEngineControl->fRealTime = fEngineControl->fFWRealTime;
+        fEngineControl->fFWRealTime = false;
+    }
     NotifyClients((onoff ? kStartFreewheelCallback : kStopFreewheelCallback), true, "", 0, 0);
 }
 
diff --git a/common/JackEngineControl.h b/common/JackEngineControl.h
index 41c9c5b8..47c04d35 100644
--- a/common/JackEngineControl.h
+++ b/common/JackEngineControl.h
@@ -58,6 +58,7 @@ struct SERVER_EXPORT JackEngineControl : public JackShmMem
     float fXrunDelayedUsecs;
     bool fTimeOut;
     bool fRealTime;
+    bool fFWRealTime;  // RT state saved and restored during Freewheel mode
     int fServerPriority;
     int fClientPriority;
     int fMaxClientPriority;
@@ -100,6 +101,7 @@ struct SERVER_EXPORT JackEngineControl : public JackShmMem
         fTimeOut = (timeout > 0);
         fTimeOutUsecs = timeout * 1000;
         fRealTime = rt;
+        fFWRealTime = false;
         fServerPriority = priority;
         fClientPriority = (rt) ? priority - 5 : 0;
         fMaxClientPriority = (rt) ? priority - 1 : 0;