[Bug 19982] SetThreadAffinityMask() seems not to work correctly

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=19982





--- Comment #44 from Juan Lang <juan_lang at yahoo.com>  2009-09-30 17:40:51 ---
That sounds like either the Linux kernel isn't scheduling on the thread you're
asking it to, or that the APIC-based CPU identification isn't doing what you
want.

I compiled and ran the test program here:
http://lkml.org/lkml/2007/5/10/578
and it reported 0, which indicates that after calling sched_setaffinity,
sched_getcpu reports the same CPU as sched_setaffinity requested.  Thus, either
sched_getcpu lying, or sched_setaffinity is doing what I want.  If it's lying,
it's a Linux kernel bug.  Otherwise, the CPU identification is flawed under
Wine, and likely a Wine bug.

In either case, _this_ bug will be fixed once my latest patch is committed,
except on >= 32 CPU systems.. but I'm willing to leave that one alone until
someone actually needs support for those.

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