Implement a FIO engine for testing cluster I/O

epoll_manager.h

@@ -0,0 +1,20 @@
+#pragma once
+
+#include <map>
+
+#include "ringloop.h"
+#include "timerfd_manager.h"
+
+class epoll_manager_t
+{
+    int epoll_fd;
+    ring_loop_t *ringloop;
+    std::map<int, std::function<void(int, int)>> epoll_handlers;
+public:
+    epoll_manager_t(ring_loop_t *ringloop);
+    ~epoll_manager_t();
+    void set_fd_handler(int fd, std::function<void(int, int)> handler);
+    void handle_epoll_events();
+
+    timerfd_manager_t *tfd;
+};