Re: bash sets O_NONBLOCK on pts

From	Andreas Schwab <schwab@linux-m68k.org>
Newsgroups	gnu.bash.bug
Subject	Re: bash sets O_NONBLOCK on pts
Date	2019-10-02 20:16 +0200
Message-ID	<mailman.789.1570040206.2651.bug-bash@gnu.org> (permalink)
References	<CAGnkfhzCqfL03_Ox+awRvd2gmu+OQy4J8qbzQLiaO3sQgQcGqA@mail.gmail.com> <5d94e361.21745@msgid.achurch.org> <CAGnkfhwz-1DE+yKFGi-yCviQeAE_2h2-p7rhA1xOt7pPzXBdkg@mail.gmail.com> <87tv8r8132.fsf@igel.home>

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On Okt 02 2019, Matteo Croce <mcroce@redhat.com> wrote:

> It seems to me that bash restores the flag, cat prints an error when not:
>
> $ cat
> $
>
> the same is not true if running multiple commands:
>
> $ ./foo; cat
> cat: -: Resource temporarily unavailable
> $
>
> Why this different behaviour?

Because it's reset immediately before reading the next line with
readline.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
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Re: bash sets O_NONBLOCK on pts Andreas Schwab <schwab@linux-m68k.org> - 2019-10-02 20:16 +0200

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