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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
I've only tested on FreeBSD4 where this is a no-op.
Now pushing to a Linux box for real testing.