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Re: revivesa status 2008/07/09
On Jul 24, 2008, at 10:54 PM, SODA Noriyuki wrote:
1) It makes hard to use alternate pthread library, especially pthread
libraries which support more than 100,000 threads.
With today's RAM price, such number of threads can be easily
supported by userland implementations and SA pthread, but
current 1:1 thread library just cannot support such application.
I don't think so. If the alternate threading library exports the
symbols that libc uses to get at the thread implementation, then it
should work just fine.
That said, I'm not sure that has EVER really worked properly on our
system, or if supporting it is even really a good idea. Using some
random pthread library can't possibly work -- think
Now, if we wanted to have 1:1 threads in libc and a system-supplied
libpthread_sa that was fully ABI-compatible with libc's 1:1 threads,
that seems workable to me, and also seems like a pretty reasonable way
to select which behavior you want (not that I really think we ought to
be shipping a libpthread_sa, but I suspect I'll lose that argument
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