新增：实现 EventQueue 类，单线程事件队列

code/EventQueue.cpp

@@ -0,0 +1,46 @@
+#include "EventQueue.h"
+
+bool EventQueue::EventQueue_AddEvent(int tInputCmd, void *pInputParam)
+{
+    cmdParam.push_back(pInputParam);
+    cmdList.push_back(tInputCmd);
+    return true;
+}
+
+bool EventQueue::EventQueue_AddEventToFront(int tInputCmd, void *pInputParam)
+{
+    cmdParam.push_front(pInputParam);
+    cmdList.push_front(tInputCmd);
+    return true;
+}
+
+bool EventQueue::EventQueue_PeekEvent(int *pOutputCmd, void **ppOutputParam)
+{
+    if (cmdList.empty())
+        return false;
+
+    (*pOutputCmd) = cmdList.front();
+    (*ppOutputParam) = cmdParam.front();
+    return true;
+}
+
+void EventQueue::EventQueue_PopEvent(void)
+{
+    if (!cmdList.empty())
+    {
+        cmdList.pop_front();
+        cmdParam.pop_front();
+    }
+}
+
+bool EventQueue::EventQueue_GetEvent(int *pOutputCmd, void **ppOutputParam)
+{
+    if (cmdList.empty())
+        return false;
+
+    (*pOutputCmd) = cmdList.front();
+    (*ppOutputParam) = cmdParam.front();
+    cmdList.pop_front();
+    cmdParam.pop_front();
+    return true;
+}

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

code/main.cpp

@@ -0,0 +1,43 @@
+#include "EventQueue.h"
+
+int main()
+{
+    EventQueue queue;
+
+    /* 模拟事件数据 */
+    int cmd1 = 101;
+    std::string param1 = "事件一";
+    int cmd2 = 202;
+    std::string param2 = "事件二";
+    int cmd3 = 303;
+    std::string param3 = "事件三";
+
+    std::cout << "=== 添加事件 ===" << std::endl;
+    queue.EventQueue_AddEvent(cmd1, &param1);        // 队尾
+    queue.EventQueue_AddEventToFront(cmd2, &param2); // 队头
+    queue.EventQueue_AddEvent(cmd3, &param3);        // 队尾
+
+    /* 查看队头事件 */
+    int peekCmd;
+    void *peekParam;
+    if (queue.EventQueue_PeekEvent(&peekCmd, &peekParam))
+    {
+        std::cout << "[Peek] cmd=" << peekCmd
+                  << " param=" << *(std::string *)peekParam << std::endl;
+    }
+
+    std::cout << "=== 获取并移除事件 ===" << std::endl;
+    int getCmd;
+    void *getParam;
+    while (queue.EventQueue_GetEvent(&getCmd, &getParam))
+    {
+        std::cout << "[Get] cmd=" << getCmd
+                  << " param=" << *(std::string *)getParam << std::endl;
+
+        // queue.EventQueue_PopEvent(); // 队列中 Get 已经 pop 了，PopEvent 可省略
+    }
+
+    std::cout << "=== 队列已清空 ===" << std::endl;
+
+    return 0;
+}