From 4ed36809b825d8b23bf78dabbf43dbbca4b577f0 Mon Sep 17 00:00:00 2001
From: Charl Wentzel <charl.wentzel@vodamail.co.za>
Date: Mon, 27 Nov 2017 18:48:41 +0200
Subject: [PATCH] Important update: - Detect serial port disconnect/close

---
 SelectableCore.cpp | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/SelectableCore.cpp b/SelectableCore.cpp
index ce7daf4..b853979 100644
--- a/SelectableCore.cpp
+++ b/SelectableCore.cpp
@@ -1130,12 +1130,30 @@ bool CSelectableCore::Read( THandle * Handle )
         ioctl( Handle->FD, FIONREAD, &BytesWaiting );
 
         // EOF from server
-        if (!BytesWaiting)
+        if (BytesWaiting < 1)
         {
             // Close Handle
             Close( Handle );
 
-            // Destroy Remote Client
+            // Destroy Client
+            if (Handle->Type == ctRemoteClient) {
+                RemoveHandle( Handle );
+            }
+            return false;
+        }
+    }
+    else if (Handle->Type == ctPort)
+    {
+        // Check if anything to read
+        ioctl( Handle->FD, FIONREAD, &BytesWaiting );
+
+        // EOF from port
+        if (BytesWaiting < 1)
+        {
+            // Close Handle
+            Close( Handle );
+
+            // Destroy Port
             if (Handle->Type == ctRemoteClient) {
                 RemoveHandle( Handle );
             }