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

@@ -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.

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);
 }
 

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;