From: Ilari Liusvaara <ilari.liusvaara@elisanet.fi>
Date: Fri, 25 Dec 2009 17:15:05 GMT
Subject: Re: [RFC PATCH 1/2] Report exec errors from run-command
Message-ID: <20091225171505.GA11830@Knoppix>
In-Reply-To: <200912251539.35201.j6t@kdbg.org>

On Fri, Dec 25, 2009 at 03:39:34PM +0100, Johannes Sixt wrote:
> 
> The only really *important* errno of a failed exec is ENOENT. For this case, 
> wouldn't it be easier to do the PATH lookup manually in the parent (before 
> the fork()), and use execv() in the forked child rather than execvp()?

In fact there is API for getting all valid commands on $PATH for given command
prefix. That would take care of ENOENT and most of EACCESS.

But OTOH, its nice to be able to report any error.

-Ilari