Re: t5570-git-daemon fails with SIGPIPE on OSX

> On Fri, Feb 08, 2019 at 10:28:12AM +0100, Johannes Schindelin wrote:
> 
> > On Fri, 8 Feb 2019, Johannes Schindelin wrote:
> > 
> > > I just had a look at the patch you provided below (for some reason, my
> > > previous search on public-inbox only turned up Gábor's mail to which you
> > > responded).
> > > 
> > > Admittedly, I do not really understand all aspects of it, but it applies,
> > > still, and I kicked off a stress test here:
> > > 
> > > 	https://dev.azure.com/git/git/_build/results?buildId=338
> > > 
> > > It seems that your patch fixes that t5570 flakiness on macOS, and more
> > > importantly, addresses an important issue on macOS.
> > > 
> > > Will play a bit more with it and keep you posted.
> > 
> > Alas, I was fooled. *Fooled*, I say. Apparently the --stress option makes
> > the script *succeed* when it fails?
> > [...]
> > So I am afraid that your patch does not fix the issue nor does it work
> > around it.
> 
> I think that patch does the write_or_die conversion to handle EPIPE, but
> it would still need to turn off SIGPIPE for the whole process.
> 
> So you'd also need to stick a:
> 
>   sigchain_push(SIGPIPE, SIG_IGN);
> 
> somewhere near the start of cmd_fetch(). (There may be a less
> coarse-grained place to put it, but at this point I think we're just
> trying to find out whether this approach even solves the problem).