sim...@netbsd.org (Simon Burge) writes: >qemu uses ppoll() which is implemented with pollts() to do emulated >timers, so that doesn't help here. I don't know what simh uses, nor >any of the other emulators.
simh uses pthread_cond_timedwait(). This actually waits using TIMER_ABSTIME for a deadline, but which is converted to a timeout with ts2timo() and passed to sleepq_block() as a number of ticks to wait for. ts2timo() uses tvothz() which rounds up...
