新增：实现 EventQueue 类，单线程事件队列

code/EventQueue.h

@@ -0,0 +1,23 @@
+#ifndef EVENTQUEUE_H
+#define EVENTQUEUE_H
+
+#include <pthread.h>
+#include <unistd.h>
+#include <iostream>
+#include <list>
+
+class EventQueue
+{
+public:
+    bool EventQueue_AddEvent(int tInputCmd, void *pInputParam);
+    bool EventQueue_AddEventToFront(int tInputCmd, void *pInputParam);
+    bool EventQueue_PeekEvent(int *pOutputCmd, void **ppOutputParam);
+    void EventQueue_PopEvent(void);
+    bool EventQueue_GetEvent(int *pOutputCmd, void **ppOutputParam);
+
+private:
+    std::list<int> cmdList;
+    std::list<void *> cmdParam;
+};
+
+#endif