Hi On Tue, Apr 21, 2020 at 7:42 PM Michal Privoznik <mprivozn@xxxxxxxxxx> wrote: > > On 4/21/20 6:50 PM, Marc-André Lureau wrote: > > Hi > > > > On Tue, Apr 21, 2020 at 6:04 PM Michal Privoznik <mprivozn@xxxxxxxxxx> wrote: > >> > >> On 4/8/20 7:23 PM, marcandre.lureau@xxxxxxxxxx wrote: > >>> From: Marc-André Lureau <marcandre.lureau@xxxxxxxxxx> > >>> > >>> Don't stop the DBus daemon if a slirp helper failed to start, as it > >>> may be shared with other helpers. > >>> > >>> Signed-off-by: Marc-André Lureau <marcandre.lureau@xxxxxxxxxx> > >>> --- > >>> src/qemu/qemu_slirp.c | 2 +- > >>> 1 file changed, 1 insertion(+), 1 deletion(-) > >>> > >>> diff --git a/src/qemu/qemu_slirp.c b/src/qemu/qemu_slirp.c > >>> index 09c1247892..49bffa01b8 100644 > >>> --- a/src/qemu/qemu_slirp.c > >>> +++ b/src/qemu/qemu_slirp.c > >>> @@ -355,6 +355,6 @@ qemuSlirpStart(qemuSlirpPtr slirp, > >>> virProcessKillPainfully(pid, true); > >>> if (pidfile) > >>> unlink(pidfile); > >>> - qemuDBusStop(driver, vm); > >>> + /* leave dbus daemon running, it may be used by others */ > >>> return -1; > >>> } > >>> > >> > >> I'm not quite sure about this one. Who do you mean by "others"? Other > > > > Other users of DBus. For now, it's only slirp-helper, but there can be > > already multiple instances. > > Ah, I've misunderstood this part. But if there is only one user of the > DBus (us who are trying to start it now), shouldn't we kill the dbus > daemon? On the other hand, it will be done by qemuProcessStop() > eventually. My idea was to track whether the dbus daemon is running > prior starting it (basically save priv->dbusDaemonRunning before calling > qemuDBusStart() and then wrap this qemuDBusStop() with 'if > (was_started)'. I can do the change before push, if you are okay with > it. I just like functions to tidy up on failure, maybe it's just an > obsession though. Oh ok, that should be fine. thanks