From 1101b71fafeab5b02c5af636da49d311d79c705d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Benjamin=20H=C3=B6glinger-Stelzer?= <nefarius@dhmx.at>
Date: Sun, 14 Jul 2024 10:29:06 +0200
Subject: [PATCH] Fixed PlatformNotSupportedException on close

---
 Nefarius.Peripherals.SerialPort/SerialPort.cs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Nefarius.Peripherals.SerialPort/SerialPort.cs b/Nefarius.Peripherals.SerialPort/SerialPort.cs
index 3293f2e..1836c73 100644
--- a/Nefarius.Peripherals.SerialPort/SerialPort.cs
+++ b/Nefarius.Peripherals.SerialPort/SerialPort.cs
@@ -30,6 +30,7 @@ public partial class SerialPort : IDisposable
     private Exception _rxException;
     private bool _rxExceptionReported;
     private Thread _rxThread;
+    private CancellationTokenSource _cts;
     private int _stateBrk = 2;
     private int _stateDtr = 2;
     private int _stateRts = 2;
@@ -151,6 +152,7 @@ public partial class SerialPort : IDisposable
         _rxException = null;
         _rxExceptionReported = false;
 
+        _cts = new CancellationTokenSource();
         _rxThread = new Thread(ReceiveThread)
         {
             Name = "CommBaseRx", Priority = ThreadPriority.AboveNormal, IsBackground = true
@@ -186,10 +188,12 @@ public partial class SerialPort : IDisposable
 
     private void InternalClose()
     {
+        _cts.Cancel();
         PInvoke.CancelIo(_hPort);
+
         if (_rxThread != null)
         {
-            _rxThread.Abort();
+            _rxThread.Join();
             _rxThread = null;
         }
 
@@ -461,7 +465,7 @@ public partial class SerialPort : IDisposable
 
         try
         {
-            while (true)
+            while (!_cts.IsCancellationRequested)
             {
                 COMM_EVENT_MASK eventMask = 0;