From: Peter Stephenson <p.stephenson@samsung.com>
To: Zsh hackers list <zsh-workers@zsh.org>
Subject: Re: fd used for saving redirected fds leaked to child processes
Date: Mon, 14 Aug 2017 16:24:53 +0100 [thread overview]
Message-ID: <20170814162453.3374d09d@pwslap01u.europe.root.pri> (raw)
In-Reply-To: <CAH+w=7bUMdLYFd0aBE=xFCizZvkK6Msj93fOAFanF5vZO7QsKg@mail.gmail.com>
On Mon, 14 Aug 2017 07:49:52 -0700
Bart Schaefer <schaefer@brasslantern.com> wrote:
> On Mon, Aug 14, 2017 at 2:09 AM, Peter Stephenson
> <p.stephenson@samsung.com> wrote:
> >
> > We need to expose the entire hierarchy for this particular case, but
> > that looks like a stack or a linked list, which seems a little
> > heavyweight for this case.
>
> Another flag in the fdtable array?
That probably works --- by default we've got to search 64 fd's for the
flag (the usual size for the fdtable if we don't need to enlarge it)
unless we add a (bug-prone) max saved index, but arguably if that seems
a lot it's the 64 itself that's the target for optimisation as it's
already widely used.
pws
next prev parent reply other threads:[~2017-08-14 15:25 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-13 16:12 Stephane Chazelas
2017-08-13 18:49 ` Bart Schaefer
2017-08-13 18:49 ` Peter Stephenson
2017-08-13 21:45 ` Bart Schaefer
2017-08-14 9:09 ` Peter Stephenson
2017-08-14 14:49 ` Bart Schaefer
2017-08-14 15:24 ` Peter Stephenson [this message]
2017-08-14 15:31 ` Bart Schaefer
2017-08-14 19:19 ` Peter Stephenson
2017-09-29 15:06 ` Daniel Shahaf
2017-09-29 15:18 ` Peter Stephenson
2017-08-15 18:42 ` Peter Stephenson
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