release-packaging/Classes/FluidNRTProcess.sc: Reintroduce a sync at the cost of performance, but the benefit of being sure that buffers have updated before action is called

release-packaging/Classes/FluidNRTProcess.sc

@@ -21,6 +21,7 @@ FluidNRTProcess : Object{
 		^this;
 	}
 
+
 	process{|...ugenArgs|
 
         var c = Condition.new(false);
@@ -31,13 +32,16 @@ FluidNRTProcess : Object{
 		synth.postln;
 
         OSCFunc({ |m|
+            forkIfNeeded{
 			outputBuffers.do{|buf|
 				buf = server.cachedBufferAt(buf.asUGenInput);
 				buf.updateInfo;
 			};
+            server.sync;
             if(action.notNil && m[2]==0){action.valueArray(outputBuffers)};
             c.test = true;
             c.signal;
+            }
         },'/done',argTemplate:[synth.nodeID]).oneShot;
 
 		forkIfNeeded{