SocketListen disabled but left in place for posterity

Pre-emptive evaluation add a substantial latency (>300% slowdown).
Disabling the code for now and likely forever.
Keep the code in place as a post-mortem.

Author: Dorian Birraux

wolframclient/evaluation/kernel/initkernel.m

@@ -188,8 +188,8 @@
 $MaxIdlePause=.001;
 $MinIdlePause=0.0001;
 $PauseIncrement=0.0001;
-$ListenerSupportMinVersion = 12.3;
-
+(*$ListenerSupportMinVersion = 12.3;*)
+$ListenerSupportMinVersion = Infinity;
 Which[
 	$VersionNumber < $ListenerSupportMinVersion,
 	(* Low CPU wait but need synchronous loop. *)
@@ -207,6 +207,9 @@
 			]
 		]
 	],
+	(* Version with SocketListen, code is cleaner is 3 times slower as the version above.
+	Possibly during the async events and pre-emptive evaluation.
+	 *)
 	True,
 	evaluationLoop[socketIn_SocketObject]:= (
 		$SocketListener = SocketListen[