#include <mutex>
#include <random>
-#include <folly/CallOnce.h>
#include <folly/File.h>
#include <folly/FileUtil.h>
#include <folly/SingletonThreadLocal.h>
#include <folly/ThreadLocal.h>
#include <folly/portability/SysTime.h>
#include <folly/portability/Unistd.h>
+#include <folly/synchronization/CallOnce.h>
#include <glog/logging.h>
#ifdef _MSC_VER