Mailing-List: contact dev-help@ant.apache.org; run by ezmlm
Precedence: bulk
Reply-To: "Ant Developers List" <dev@ant.apache.org>
To: dev@ant.apache.org
Subject: Re: cvs commit: ant/docs/manual/CoreTasks fail.html
References: <20040618134109.81780.qmail@web20420.mail.yahoo.com>
From: Stefan Bodewig <bodewig@apache.org>
Date: Fri, 18 Jun 2004 16:01:03 +0200
In-Reply-To: <20040618134109.81780.qmail@web20420.mail.yahoo.com> (Matt
 Benson's message of "Fri, 18 Jun 2004 06:41:09 -0700 (PDT)")
Message-ID: <m3n031ynhc.fsf@bodewig.bost.de>
User-Agent: Gnus/5.1006 (Gnus v5.10.6) XEmacs/21.4 (Security Through
 Obscurity, linux)
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii

On Fri, 18 Jun 2004, Matt Benson <gudnabrsam@yahoo.com> wrote:

>> And there is at least one OS - OpenVMS - where 0 means no success,
>> but Java returns 0 for success on it as well, breaking the contract
>> for DCL scripts.
> 
> I remembered this, but did not attempt to "manufacture" an
> alternative "successful" status code.  It would be nice if we could
> figure out a way to make everything work as expected on that OS.

My guess - I left OpenVMS before there was a Java VM for it - is that
OpenVMS users expect any Java program to return 0 on success.

> Would 1 be the most basic "successful" exit status?

IIRC 1 is the defintion of EXIT_SUCCESS in <stdlib.h>, so 1 would be
the most common choice for C programs.

> Also, I found in the course of composing this missive
> that there is a comment in Execute.isFailure(int
> exitValue) saying that ODD exit codes indicate
> failure, then returns (exitValue % 2 == 0).  I will
> commit the s/odd/even here.

My fault.  Thank you for spotting it.

Stefan

---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscribe@ant.apache.org
For additional commands, e-mail: dev-help@ant.apache.org