From: Chet Ramey <chet.ramey@case.edu>
To: Peter Stephenson <p.stephenson@samsung.com>, zsh-workers@zsh.org
Cc: chet.ramey@case.edu, "Eduardo A. Bustamante Lopez" <dualbus@gmail.com>
Subject: Re: Zsh does not follow POSIX when return is called during the action of a trap
Date: Wed, 12 Mar 2014 13:49:18 -0400 [thread overview]
Message-ID: <53209E1E.2090007@case.edu> (raw)
In-Reply-To: <20140312170309.48ea7444@pwslap01u.europe.root.pri>
On 3/12/14 1:03 PM, Peter Stephenson wrote:
> However, I'm trying to work out what happens with the case
>
> | trap '(exit BEFORE-RETURN); return EXPLICIT-RETURN-VALUE' SIGNAL
> |
> | fn() {
> | (exit BEFORE-ACTION); -block here waiting for signal-
> | }
>
> Should this exit with EXPLICIT-RETURN_VALUE or BEFORE-ACTION? The
> latter is easier to implement but my guess (without ploughing through
> the standard) is EXPLICIT-RETURN-VALUE is right here.
The correct exit value is EXPLICIT-RETURN-VALUE.
The standards text that Eduardo quoted only applies to the case where
`return' is not given an argument.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU chet@case.edu http://cnswww.cns.cwru.edu/~chet/
next prev parent reply other threads:[~2014-03-12 17:55 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-12 15:36 Eduardo A. Bustamante López
2014-03-12 16:52 ` Bart Schaefer
2014-03-12 17:03 ` Peter Stephenson
2014-03-12 17:47 ` Eduardo A. Bustamante López
2014-03-12 17:49 ` Chet Ramey [this message]
2014-03-12 18:23 ` Peter Stephenson
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