Implements rudimentary thread-safety for EventBus and Logger classes.

src/core/include/EventBus.hpp

@@ -5,6 +5,7 @@
 #include <string>
 #include <vector>
 #include <memory>
+#include <mutex>
 
 namespace Plains {
 namespace Core {
@@ -12,6 +13,7 @@ namespace Core {
 using std::thread;
 using std::string;
 using std::vector;
+using std::mutex;
 using std::unique_ptr;
 
 class EventSubscriber {
@@ -30,6 +32,7 @@ class Event {
     private:
     const string _id;
     vector<EventSubscriber*> _subscribers;
+    mutex _mutex;
 };
 
 class EventBus {
@@ -38,12 +41,14 @@ class EventBus {
     ~EventBus();
     Event& registerEvent(const string& eventID);
     
+    private:
+    void run();
+
     private:
     Logger& _logger;
     thread _thread;
     vector<Event*> _events;
-
-    void run();
+    mutex _mutex;
 };
 
 }}