Fix hang when deleting busses

ResourceManager.cpp

@@ -32,7 +32,7 @@ ResourceManager::~ResourceManager()
 
     for(i2c_smbus_interface* bus : busses)
     {
-        //delete bus;
+        delete bus;
     }
 
     DetectDevicesThread->join();

i2c_smbus/i2c_smbus.cpp

@@ -24,11 +24,16 @@ i2c_smbus_interface::i2c_smbus_interface()
     this->pci_vendor           = -1;
     this->pci_subsystem_device = -1;
     this->pci_subsystem_vendor = -1;
+    i2c_smbus_thread_running   = true;
     i2c_smbus_thread           = new std::thread(&i2c_smbus_interface::i2c_smbus_thread_function, this);
 }
 
 i2c_smbus_interface::~i2c_smbus_interface()
 {
+    i2c_smbus_thread_running = false;
+    i2c_smbus_start = true;
+    i2c_smbus_start_cv.notify_all();
+    i2c_smbus_thread->join();
     delete i2c_smbus_thread;
 }
 
@@ -190,6 +195,11 @@ void i2c_smbus_interface::i2c_smbus_thread_function()
         i2c_smbus_start_cv.wait(start_lock, [this]{ return i2c_smbus_start.load(); });
         i2c_smbus_start = false;
 
+        if (!i2c_smbus_thread_running.load())
+        {
+            break;
+        }
+
         i2c_ret = i2c_smbus_xfer(i2c_addr, i2c_read_write, i2c_command, i2c_size, i2c_data);
 
         std::unique_lock<std::mutex> done_lock(i2c_smbus_done_mutex);

i2c_smbus/i2c_smbus.h

@@ -89,7 +89,8 @@ public:
     virtual s32 i2c_smbus_xfer(u8 addr, char read_write, u8 command, int size, i2c_smbus_data* data) = 0;
 
 private:
-    std::thread *       i2c_smbus_thread;
+    std::thread *           i2c_smbus_thread;
+    std::atomic<bool>       i2c_smbus_thread_running;
 
     std::atomic<bool>       i2c_smbus_start;
     std::condition_variable i2c_smbus_start_cv;