From: Lennart Borgman <lennart.borgman@gmail.com>
To: herring@lanl.gov
Cc: Emacs-Devel devel <emacs-devel@gnu.org>
Subject: Re: Process exit status on different platforms
Date: Tue, 23 Feb 2010 21:27:04 +0100 [thread overview]
Message-ID: <e01d8a51002231227o2acad2f0k81ebe4a694bc3cee@mail.gmail.com> (raw)
In-Reply-To: <53744.130.55.118.19.1266956326.squirrel@webmail.lanl.gov>
On Tue, Feb 23, 2010 at 9:18 PM, Davis Herring <herring@lanl.gov> wrote:
> [Sorry this reply is so much delayed; perhaps it will nevertheless be
> useful.]
>
>> Are there any variable that could be used to check if call-process
>> exited with success status?
>
> I don't know of any.
>
>> Is not this return value platform dependent?
>
> Not much. VMS is the only system I know of that doesn't use the "0 means
> success, and everything else means some kind of failure but there's little
> to no convention" convention. I think it uses 1 for success and 44 for
> catastrophic failure (with other values for minor problems), but that's
> just from a very little searching. (It's worth noting, as the glibc
> manual says, that 1 means "successfully found differences" in diff and the
> like, and it means merely "no matches" in grep and the like:
> http://www.gnu.org/software/libc/manual/html_node/Exit-Status.html)
Thanks, at the moment I can't remember exactly why I asked ... eh, yes I do ;-)
I think it will be useful to simplify at least my bug hunting.
prev parent reply other threads:[~2010-02-23 20:27 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-07 8:34 Process exit status on different platforms Lennart Borgman
2010-02-23 20:18 ` Davis Herring
2010-02-23 20:27 ` Lennart Borgman [this message]
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