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From: Sam Liddicott <sam@liddicott.com>
Newsgroups: gnu.bash.bug
Subject: Re: leaks fd for internal functions but not external command
Date: Tue, 23 Jul 2019 16:20:47 +0100
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Approved: bug-bash@gnu.org
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To: Chester Ramey <chet.ramey@case.edu>
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On Tue, 23 Jul 2019 at 16:15, Sam Liddicott <sam@liddicott.com> wrote:

>
>
> On Tue, 23 Jul 2019 at 16:13, Chet Ramey <chet.ramey@case.edu> wrote:
>
>> On 7/23/19 11:11 AM, Sam Liddicott wrote:
>>
>> > The report concerns the different behaviour with internal and external
>> > operations.
>>
>> Right. The close-on-exec is deliberate. That's how it was intended.
>>
>
> Doesn't close-on-exec usually takes effect only on the process that does
> the exec?
> i.e. the fork that does the exec, not the parent process?
>

It got closed in the parent. The lsof is running for the parent, the main
process. /bin/echo has quit before the lsof runs.