On Tuesday, August 15, 2017 3:36:48 PM EDT Armin Krezović wrote:
> On 15.08.2017 04:02, nerdopolis wrote:
>
> Hi,
>
> > ---
> > libweston/compositor-drm.c | 5 +++++
> > libweston/compositor-fbdev.c | 5 +++++
> > 2 files changed, 10 insertions(+)
> >
> > diff --git a/libweston/compositor-drm.c b/libweston/compositor-drm.c
> > index 10adb463..44b2e448 100644
> > --- a/libweston/compositor-drm.c
> > +++ b/libweston/compositor-drm.c
> > @@ -3502,8 +3502,13 @@ drm_backend_create(struct weston_compositor
> > *compositor,
> > struct udev_device *drm_device;
> > struct wl_event_loop *loop;
> > const char *seat_id = default_seat;
> > + const char *session_seat;
> > int ret;
> >
> > + session_seat=getenv("XDG_SEAT");
> > + if (session_seat)
> > + seat_id=session_seat;
> > +
>
> seat_id can already be overriden, using --seat=whatever weston option, as
> seen here:
>
> https://cgit.freedesktop.org/wayland/weston/tree/compositor/main.c#n1224
> https://cgit.freedesktop.org/wayland/weston/tree/libweston/compositor-drm.c#n3549
>
> Not sure if there's same thing for fbdev backend, but even if there's not, it
> should
> be implemented the same way.
>
> > weston_log("initializing drm backend\n");
> >
> > b = zalloc(sizeof *b);
> > diff --git a/libweston/compositor-fbdev.c b/libweston/compositor-fbdev.c
> > index e80a5040..81e5ec3b 100644
> > --- a/libweston/compositor-fbdev.c
> > +++ b/libweston/compositor-fbdev.c
> > @@ -712,6 +712,11 @@ fbdev_backend_create(struct weston_compositor
> > *compositor,
> > {
> > struct fbdev_backend *backend;
> > const char *seat_id = default_seat;
> > + const char *session_seat;
> > +
> > + session_seat=getenv("XDG_SEAT");
> > + if (session_seat)
> > + seat_id=session_seat;
> >
> > weston_log("initializing fbdev backend\n");
> >
> >
>
>
Hi
pam_systemd.so sets the XDG_SEAT variable though
So if you're starting Weston where the session_seat is seat1, weston won't
start, unless you specify --seat=$XDG_SEAT
Which is OK, but then login managers would need to be aware of that when
starting Weston
Thanks
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