Subject: Re: CVS commit: src/usr.sbin/rpc.lockd
To: Christos Zoulas <firstname.lastname@example.org>
From: Jason R Thorpe <email@example.com>
Date: 03/14/2003 08:07:06
On Fri, Mar 14, 2003 at 03:24:27PM +0000, Christos Zoulas wrote:
> Is there a reason for that change? Using _exit() avoids doing the
> stdio cleanup and the atexit calls. It is recommended for vfork()
> where the address space of the parent and the child are shared
> after the vfork() and before the exec(). There is no reason to do
> it for fork(), right?
Yes, IIRC, it is also recommended for normal fork().
Consider the parent does an atexit() to clean up a pidfile it creates.
The child does not write a new pidfile. When the child exits, you don't
want it to delete the parent's pidfile.
-- Jason R. Thorpe <firstname.lastname@example.org>