[lxc-users] lxc_monitor exiting, but not cleaning monitor-fifo?
serge.hallyn at ubuntu.com
Wed Apr 2 15:23:52 UTC 2014
Quoting Dwight Engen (dwight.engen at oracle.com):
> On Tue, 1 Apr 2014 13:01:36 -0500
> Serge Hallyn <serge.hallyn at ubuntu.com> wrote:
> > As an alternative to doing pidfiles, how about following the way
> > that lxcapi_create does it with fcntl(fd, F_SETLKW? (see
> > create_partial() and ongoing_create()?
> > Then if the monitor exited without being able to clean up, we can
> > detect it and clean up.
> Hey Serge, thats a good idea. I think F_SETLKW could be used instead if
> we're worried about the kill(pid, 0) and pid reuse. Is that the case
> you're worried about?
And I just don't want all that pidfile code in there if we don't
need it. Is there any advantage to using a pidfile?
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