* inconsistency with handling of symlinked ttys in background
@ 2010-11-09 10:18 Pádraig Brady
2011-03-15 9:53 ` Herbert Xu
0 siblings, 1 reply; 2+ messages in thread
From: Pádraig Brady @ 2010-11-09 10:18 UTC (permalink / raw)
To: dash
I noticed a bug with dash-0.5.6-2.fc11.i586
in that it doesn't redirect from symlinked ttys
correctly for background processes.
$ dash -c "tty < /dev/stdin&"
$ dash -c "tty < /dev/stdin"
/dev/pts/3
$ bash -c "tty < /dev/stdin&"
/dev/pts/3
$ dash -c "tty < $(readlink -f /dev/stdin)&"
/dev/pts/3
cheers,
Pádraig.
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: inconsistency with handling of symlinked ttys in background
2010-11-09 10:18 inconsistency with handling of symlinked ttys in background Pádraig Brady
@ 2011-03-15 9:53 ` Herbert Xu
0 siblings, 0 replies; 2+ messages in thread
From: Herbert Xu @ 2011-03-15 9:53 UTC (permalink / raw)
To: Pádraig Brady; +Cc: dash
On Tue, Nov 09, 2010 at 10:18:35AM +0000, Pádraig Brady wrote:
> I noticed a bug with dash-0.5.6-2.fc11.i586
> in that it doesn't redirect from symlinked ttys
> correctly for background processes.
>
> $ dash -c "tty < /dev/stdin&"
> $ dash -c "tty < /dev/stdin"
> /dev/pts/3
> $ bash -c "tty < /dev/stdin&"
> /dev/pts/3
> $ dash -c "tty < $(readlink -f /dev/stdin)&"
> /dev/pts/3
It's completely expected as we close stdin for backgrounded
commands.
Try:
bash -c '{ :; tty < /dev/stdin; }&'
Now who is inconsistent? :)
Cheers,
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
^ permalink raw reply [flat|nested] 2+ messages in thread
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