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Re: 'wait -n' with and without id arguments


From: Chet Ramey
Subject: Re: 'wait -n' with and without id arguments
Date: Mon, 12 Aug 2024 11:13:36 -0400
User-agent: Mozilla Thunderbird

On 8/7/24 2:47 PM, Zachary Santer wrote:

Now I understand that this is because the list of terminated child
processes that 'wait -n' currently ignores is only used in the
interactive shell.

Do you mean when no arguments are supplied? It's not. The difference is
when a job is marked as notified and eligible to be removed from the
jobs list.

If you want the behavior of 'wait -n' to be
consistent between scripts and the interactive shell, then it should
choose one terminated child process from the list of those that is
maintained in the interactive shell, if it's nonempty, to report to
the user and to clear from that list, any time it is called.

That would make it different from wait without -n.


--
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/

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