message: Remove HAVE_NANOSLEEP.
diff: @@ -42,10 +42,8 @@ static PHP_METHOD(swoole_runtime, enableStrictMode);
  static PHP_METHOD(swoole_runtime, enableCoroutine);
  static PHP_FUNCTION(_sleep);
  static PHP_FUNCTION(_usleep);
  -#if HAVE_NANOSLEEP
  static PHP_FUNCTION(_time_nanosleep);
  static PHP_FUNCTION(_time_sleep_until);
  -#endif
  }
  static int socket_set_option(php_stream *stream, int option, int value, void *ptrparam);
  @@ -102,10 +100,8 @@ static php_stream_ops ori_php_stream_stdio_ops;
  static zend_function *ori_sleep;
  static zend_function *ori_usleep;
  -#if HAVE_NANOSLEEP
  static zend_function *ori_time_nanosleep;
  static zend_function *ori_time_sleep_until;
  -#endif
  extern "C"
  {
  @@ -848,10 +844,8 @@ static PHP_METHOD(swoole_runtime, enableCoroutine)
  ori_sleep->internal_function.handler = PHP_FN(_sleep);
  ori_usleep->internal_function.handler = PHP_FN(_usleep);
  -#if HAVE_NANOSLEEP
  ori_time_nanosleep->internal_function.handler = PHP_FN(_time_nanosleep);
  ori_time_sleep_until->internal_function.handler = PHP_FN(_time_sleep_until);
  -#endif
  }
  if (flags & SW_HOOK_TCP)
  {
  @@ -961,7 +955,6 @@ static PHP_FUNCTION(_usleep)
  swoole_coroutine_sleep((double) num / 1000000);
  }
  -#if HAVE_NANOSLEEP
  static PHP_FUNCTION(_time_nanosleep)
  {
  zend_long tv_sec, tv_nsec;
  @@ -1047,4 +1040,3 @@ static PHP_FUNCTION(_time_sleep_until)
  }
  RETURN_TRUE;
  }
  -#endif
  