#include <sys/time.h>
#include <sys/resource.h>
#include <stdio.h>
-#include "fd-limit.h"
-#include <common/error.h>
-#include <common/compat/errno.h>
+#include "fd-limit.hpp"
+#include <common/error.hpp>
+#include <common/compat/errno.hpp>
/* total count of fd. */
static long fd_count;