Re: Unix Domain Sockets

[Nathan Scott <nathans@xxxxxxxxxx>]

Hey guys,

----- Original Message -----
> Hi -
> 
> On Tue, Jun 04, 2013 at 04:28:08PM -0400, Dave Brolley wrote:
> > We would then need a separate socket in the file system for each. i.e.
> > /var/run/pcp/pmcd.<pid>.socket.
> 

(just to clarify, thats $PCP_RUN_DIR/pmcd.socket - pmcd should make
use of pmGetConfig(3) when evaulating that path).

> Or some other user-specified name.

*nod*.

> > Is it even possible to run multiple separate pmcds? There is only
> > one /var/run/pcp/pmcd.pid afaikt.
> 
> /var/run defaults are for distro-managed pmcd.  A user that wishes to
> run his own pmcd for some reason would have to override all the
> defaults, including that pmcd.pid file, to avoid conflicts.

*nod*.  Or set PCP_DIR to point elsewhere, for a global prefix.

Given the other mail, it sounds like a single unix socket is the
way to go and the in-progress user/group permissions stuff will
likely suffice for our needs here.

cheers.

--
Nathan