At 08:05 PM 1/5/2006, Kurt D. Zeilenga wrote: >>I suppose we could devise some kind of test that uses two processes, one that >>spins eating CPU cycles, and another that spawns one thread that does a >>yield, while the main thread does a computation. If the yield causes the >>entire process to lose the CPU, the main thread's computation will be >>impeded. But it may be better to just test $build_os for now. > >For now, yes
Okay, I've committed a basic detection code for REPLACE_SCHED_YIELD as well as updated replacement code. Currently uses select(2), but can be switched to nanosleep(2). I've only tested on FreeBSD4 where this is a no-op. Now pushing to a Linux box for real testing. Kurt
