From 14f7b6c6df4b630fbbac4b1b9d4911c941faaf29 Mon Sep 17 00:00:00 2001
From: Djeeberjr <djeeberjr@gmail.com>
Date: Sat, 8 Apr 2023 00:39:54 +0200
Subject: [PATCH] added shutdown

---
 src/kernel/Init.hx         |  7 +++++--
 src/kernel/KernelEvents.hx | 24 +++++++++++++++++++-----
 src/lib/HomeContext.hx     |  1 +
 3 files changed, 25 insertions(+), 7 deletions(-)

diff --git a/src/kernel/Init.hx b/src/kernel/Init.hx
index 22ca02a..6850181 100644
--- a/src/kernel/Init.hx
+++ b/src/kernel/Init.hx
@@ -13,6 +13,10 @@ import kernel.peripherals.Peripherals.Peripheral;
 import kernel.net.Net;
 
 class Init {
+
+	@:allow(kernel.KernelEvents)
+	private static var mainEvent:MainEvent;
+
 	public static function initKernel() {
 		// Init singeltons here because haxe is confused about the order to create them.
 		Log.instance = new Log();
@@ -44,9 +48,8 @@ class Init {
 			FS.makeDir("/var/ns");
 		}
 
-		MainLoop.add(()->{
+		Init.mainEvent = MainLoop.add(()->{
 			KernelEvents.instance.startEventLoop();
 		});
-
 	}
 }
diff --git a/src/kernel/KernelEvents.hx b/src/kernel/KernelEvents.hx
index 3a16297..7486941 100644
--- a/src/kernel/KernelEvents.hx
+++ b/src/kernel/KernelEvents.hx
@@ -1,11 +1,12 @@
 package kernel;
 
+import haxe.MainLoop;
+import cc.OS;
 import kernel.log.Log;
 import lib.Pos;
 import cc.HTTP.HTTPResponse;
 import lua.TableTools;
 import lua.Coroutine;
-import lib.Vec.Vec2;
 import haxe.Exception;
 
 using tink.CoreApi;
@@ -95,6 +96,8 @@ class KernelEvents {
 	private final onWebsocketMessageTrigger:SignalTrigger<{url:String, message:String, isBinary:Bool}> = Signal.trigger();
 	private final onWebsocketSuccessTrigger:SignalTrigger<{url:String, handle:Any}> = Signal.trigger();
 
+	private var stopLoop:Bool = false;
+
 	@:allow(kernel.Init)
 	private function new() {
 		this.onAlarm = onAlarmTrigger.asSignal();
@@ -132,16 +135,27 @@ class KernelEvents {
 	/**
 		Start pulling events. Blocking.
 	**/
-	public function startEventLoop() {
-		while (true) {
+	@:allow(kernel.Init)
+	private function startEventLoop() {
+		while (!stopLoop) {
 			var event:Table<Int, Dynamic> = pullEvents();
 
 			var eventName:String = event[1];
-
-			fireSignal(eventName,event);
+			try {
+				fireSignal(eventName,event);
+			}catch(e:Dynamic) {
+				Log.error('Error while handling event: $eventName: ${e}');
+			}
 		}
 	}
 
+	public function shutdown() {
+		Log.info('Shutting down event loop');
+		this.stopLoop = true;
+		MainTerm.instance.reset();
+		Init.mainEvent.stop();
+	}
+
 	private function pullEvents():Table<Int, Dynamic> {
 		return cast TableTools.pack(Coroutine.yield(null));
 	}
diff --git a/src/lib/HomeContext.hx b/src/lib/HomeContext.hx
index 216c766..c6dee80 100644
--- a/src/lib/HomeContext.hx
+++ b/src/lib/HomeContext.hx
@@ -130,6 +130,7 @@ class HomeContext {
 
 		children.push(new TextElement('Add Terminal', {onClick: this.addTerminal}));
 		children.push(new TextElement('Add Log', {onClick: this.addLog}));
+		children.push(new TextElement('Exit', {onClick: KernelEvents.instance.shutdown}));
 
 		renderer.setChildren(children);