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Date: Sat, 13 Dec 2003 02:18:53 -0500 (EST)
From: Daniel Eischen <eischen@vigrid.com>
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To: Christopher Sedore <cmsedore@maxwell.syr.edu>
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cc: threads@freebsd.org
Subject: RE: KSE system scope vs non system scope threads
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On Fri, 12 Dec 2003, Christopher Sedore wrote:
> 
> On Mon, 8 Dec 2003, Daniel Eischen wrote:
> 
> >
> > Are you using gethostby* or anything else in libc that isn't
> > thread-safe without using mutexes to protect them?
> 
> I had a couple stray uses of strtok left over from an earlier non-threaded
> version--I cleaned them up, but that didn't help.  Whatever it was, it was
> fixed in between 5.2Beta and 5.2RC1.  I'm not having any performance
> problems with system scope threads at all, and SMP works.  Overall
> performance is dramatically better than it had been previously.  I'll try
> process-scope kse threads again soon.  I'm just happy I don't need to move
> to a different platform.
> 
> Now, I just have to track down why I'm getting EAGAIN from sendfile()
> when I'm not using non-blocking sockets...

Yes, well, try digging in the kernel for that.  Neither libthr
or libkse do anything WRT sendfile(), while libc_r needs a wrapper
for it.

-- 
Dan