7812cbad41
Reorganize to match other architectures. Replace _timer._timer1 and _timer._timer2 with _timer.si_tid, _timer.si_overrun, and _timer.si_sigval. Correct the type of _sigpoll.si_band. (si_timerid, si_overrun): Define. (__SIGEV_PAD_SIZE): Correct for __WORDSIZE == 64. (__pthread_attr_s): Remove declaration. (struct sigevent): Remove XXX. Add _tid.