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Re: non-blocking I/O tests

From: Eric Blake
Subject: Re: non-blocking I/O tests
Date: Fri, 15 Apr 2011 12:49:09 -0600
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On 04/10/2011 08:12 PM, Bruno Haible wrote:
> Hi Eric,
> I was a bit suspicious whether non-blocking I/O on Woe32 sockets really work.
> So I set out to write a unit test for it. Sockets are a bit more complicated
> than pipes, so I started with the pipes.
> Find attached this unit test - for testing, not yet ready to be committed -.
> Can you please review it? The test passes on Linux, FreeBSD, OpenBSD, MacOS X,
> but fails on Solaris 2.6, OSF/1 5.1, IRIX 6.5, Cygwin 1.5 and 1.7, and mingw.

Which version of cygwin did you test?  It passed for me on cygwin 1.7.9
(but cygwin 1.7.9 introduced a broken strchrnul, so I'll have to fix

> If already non-blocking pipes are buggy on so many platforms, what do we have
> to expect from non-blocking sockets...?
> Or maybe you can find a problem with my test, that I didn't see?

Not on my first glance, but can you enumerate the actual failures?

Eric Blake   address@hidden    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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