Fixes random hanging on closing of ConPty session by disposing pseudo console before its writing pipe.

FluentTerminal.SystemTray/Services/ConPty/ConPtySession.cs

@@ -22,7 +22,6 @@ namespace FluentTerminal.SystemTray.Services.ConPty
 
         public void Close()
         {
-            _terminal?.ConsoleOutStream?.Close();
             _reader?.Dispose();
 
             ConnectionClosed?.Invoke(this, _terminal.ExitCode);

FluentTerminal.SystemTray/Services/ConPty/PseudoConsole.cs

@@ -42,10 +42,19 @@ namespace FluentTerminal.SystemTray.Services.ConPty
             ResizePseudoConsole(Handle, new COORD { X = (short)width, Y = (short)height });
         }
 
+        private bool alreadyDisposed = false;
+
         public void Dispose()
         {
+            if (alreadyDisposed)
+            {
+                return;
+            }
+
             ClosePseudoConsole(Handle);
             GC.SuppressFinalize(this);
+
+            alreadyDisposed = true;
         }
     }
 }

FluentTerminal.SystemTray/Services/ConPty/Terminal.cs

@@ -176,9 +176,11 @@ namespace FluentTerminal.SystemTray.Services.ConPty
             if (disposeManaged)
             {
                 ConsoleOutStream.Dispose();
+                // Dispose pseudo console before _consoleInputWriter to avoid
+                // hanging on call of ClosePseudoConsole
+                _pseudoConsole?.Dispose();
                 _consoleInputWriter?.Dispose();
                 _process?.Dispose();
-                _pseudoConsole?.Dispose();
                 _outputPipe?.Dispose();
                 _inputPipe?.Dispose();
             }