From 8354e89cf1e1cd8b8bb5458820e4e1714d6cc89a Mon Sep 17 00:00:00 2001
From: Andrew Molloy <amolloy@gmail.com>
Date: Sun, 3 Dec 2017 11:41:06 -0500
Subject: [PATCH] Break out of the loop waiting for the SearchBT to be done in
 WiimoteScannerDarwin::FindWiimotes() when the object is destroyed. Allows the
 application to quit correctly when Continuous Scanning is enabled on macOS.

---
 Source/Core/Core/HW/WiimoteReal/IOdarwin.h  | 4 +++-
 Source/Core/Core/HW/WiimoteReal/IOdarwin.mm | 7 ++++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/Source/Core/Core/HW/WiimoteReal/IOdarwin.h b/Source/Core/Core/HW/WiimoteReal/IOdarwin.h
index 93a53dfe50..d15f85481d 100644
--- a/Source/Core/Core/HW/WiimoteReal/IOdarwin.h
+++ b/Source/Core/Core/HW/WiimoteReal/IOdarwin.h
@@ -13,10 +13,12 @@ class WiimoteScannerDarwin final : public WiimoteScannerBackend
 {
 public:
   WiimoteScannerDarwin() = default;
-  ~WiimoteScannerDarwin() override = default;
+  ~WiimoteScannerDarwin() override;
   bool IsReady() const override;
   void FindWiimotes(std::vector<Wiimote*>&, Wiimote*&) override;
   void Update() override {}  // not needed
+private:
+  bool stopScanning = false;
 };
 }
 
diff --git a/Source/Core/Core/HW/WiimoteReal/IOdarwin.mm b/Source/Core/Core/HW/WiimoteReal/IOdarwin.mm
index f0743dc6d6..dfb077c54e 100644
--- a/Source/Core/Core/HW/WiimoteReal/IOdarwin.mm
+++ b/Source/Core/Core/HW/WiimoteReal/IOdarwin.mm
@@ -21,6 +21,11 @@
 
 namespace WiimoteReal
 {
+WiimoteScannerDarwin::~WiimoteScannerDarwin() 
+{
+	stopScanning = true;
+}
+	
 void WiimoteScannerDarwin::FindWiimotes(std::vector<Wiimote*>& found_wiimotes,
                                         Wiimote*& found_board)
 {
@@ -55,7 +60,7 @@ void WiimoteScannerDarwin::FindWiimotes(std::vector<Wiimote*>& found_wiimotes,
   do
   {
     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0, false);
-  } while (!sbt->done);
+  } while (!sbt->done && !stopScanning);
 
   int found_devices = [[bti foundDevices] count];