/* The Linux userspace headers didn't export these for a long time. */

TFD_TIMER_ABSTIME (1 << 0)
TFD_TIMER_CANCEL_ON_SET (1 << 1)
#if defined TFD_CLOEXEC || defined O_CLOEXEC
TFD_CLOEXEC O_CLOEXEC
#endif
TFD_NONBLOCK O_NONBLOCK