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Re: Problem with named pipes
- From: Dan Kegel <dank at kegel dot com>
- To: cygwin at cygwin dot com
- Date: Tue, 11 Dec 2018 06:57:19 -0800
- Subject: Re: Problem with named pipes
- References: <567DB7AB.5060606@cornell.edu> <20160108205008.GM20447@calimero.vinschen.de> <d5ff7ebb-6fc2-5ce6-e38b-6e6c9113d102@cornell.edu>
On Tue, Dec 11, 2018 at 6:42 AM Ken Brown <kbrown@cornell.edu> wrote:
> > Very tricky problem. The FIFO code falls over its own feet trying to
> > handle more than one writer (exec 7> is the first, echo blah is the
> > second writer). Sigh. This code needs a thorough rewrite...
>
> I'm coming back to this thread after three years. I'd be willing to put in some
> time working on this, if you could point me in the right direction.
I'm no cygwin developer, but:
It might be worth spending a little quality time with
https://cygwin.com/git/gitweb.cgi?p=newlib-cygwin.git;a=tree;f=winsup/testsuite/winsup.api/ltp
to update it to handle the case you're interested in first...?
https://github.com/linux-test-project/ltp has come a long, long ways
since cygwin's copy was made. It might be interesting to just
try building and running LTP on cygwin and see how far it is from
working at all... I would not be surprised if cygwin's copy is highly customized
to avoid spikes.
- Dan
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