From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eduardo Bustamante <dualbus@gmail.com>
Subject: Re: Bug? "fstat64(f, &sb) < 0 && S_ISREG(sb.st_mode)"
Date: Wed, 26 Oct 2016 19:35:22 -0500
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To: Jilles Tjoelker <jilles@stack.nl>
Cc: Denys Vlasenko <vda.linux@googlemail.com>, Herbert Xu <herbert@gondor.apana.org.au>, dash@vger.kernel.org

>> hp% dash -Cc 'rm ff; mkfifo ff; echo a > ff'
>> ^Cdash: 1: cannot create ff: Interrupted system call
>
>> It seems to be the same case for mksh, ksh93, posh, pdksh. Not that it
>> matters though.
>
> Blocking is intended behaviour when opening a fifo without a
> counterparty. It can be used to good effect for synchronizing processes,
> sometimes even without transferring any data.

Yup, sorry about the noise there. That was just a misunderstanding on my part.