Re: [PATCH] test: redirect STDIN from /dev/tty

Subject: Re: [PATCH] test: redirect STDIN from /dev/tty

Date: Wed, 22 May 2019 08:29:45 +0300

To: David Bremner,


From: Tomi Ollila

On Tue, May 21 2019, David Bremner wrote:

> Tomi Ollila <> writes:
>> Without this stdin may be anything that parent process provided for it.
>> Test processes might have tried to read something from it, which would
>> have caused undeterministic behavior.
>> E.g. gdb(1) tries to do tty related ioctls on fd 0 (and fd 1 and fd 2,
>> but those are redirected to 'test.output' before test runs).
>> ---
>> Hopefully this fixes the parallel problems -- In case of moreutils parallel
>> only stdout and stderr are captured and all other fd's left untouched
>> (provided I read web namual correctly). With GNU parallel docs did not
>> help -- but as we pipe $TESTS to parallel in that case things might be
>> even more complicated there (i don't undersand why but anyway)
> I can confirm that this seems to fix the parallel test problems with
> moreutils parallel and GNU.
> I think I'm leaning towards this fix between the two, but I'll sleep on
> it and decide tommorow.

... and when you merge this one, please amend /dev/tty -> /dev/null 
--- in subject line of the commit message ;D


> d
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