On Fri, Feb 20, 2009 at 05:56,  <daniel.poc...@barclayscapital.com> wrote:
> There was previously some discussion about a greaper binary for
> re-starting gmond after a config change.

Well, the usual way to do this is to catch a HUP signal, and do
whatever processing is needed.  I know that some programs will simply
call the "read_config_file()" routine, instead of fullying exec()ing
again.

> Is it potentially safe for gmond to just execve another gmond?  The new
> process will use the same PID, same effective UID, same file
> descriptors.
>

Yeah, its probably safe.  As I mentioned, I've seen other long running
daemons do this.  It's worth a try, in any event.

> If gmond is already running with reduced privileges (post-setuid), does
> it need to gain root privileges again to restart in this way?

No.  No extra privileges are needed.

-- 
Jesse Becker
GPG Fingerprint -- BD00 7AA4 4483 AFCC 82D0  2720 0083 0931 9A2B 06A2

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