From 56bd361d67e0f375537706e4b2345da54113bedb Mon Sep 17 00:00:00 2001
From: Dave Nicolson <david.nicolson@gmail.com>
Date: Thu, 19 Feb 2026 14:50:25 +0100
Subject: [PATCH] fix: thread cleanup in destructor and Stop method

Ensure polling thread is properly stopped and joined before cleanup.

Co-authored-by: Claude <claude@anthropic.com>
---
 src/BluetoothHciSocket.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/BluetoothHciSocket.cpp b/src/BluetoothHciSocket.cpp
index bc4ed6f..1c0e69e 100644
--- a/src/BluetoothHciSocket.cpp
+++ b/src/BluetoothHciSocket.cpp
@@ -583,6 +583,11 @@ void BluetoothHciSocket::SetFilter(const Napi::CallbackInfo& info) {
 }
 
 void BluetoothHciSocket::Start(const Napi::CallbackInfo& info) {
+  if (!stopFlag && pollingThread.joinable()) {
+    stopFlag = true;
+    pollingThread.join();
+  }
+
   if (!this->EnsureSocket(info)) {
     return;
   }