Re: file watch feature missing on darwin

[Jan D.]

Michael Albinus skrev 2014-01-17 13:10:
> Michael Albinus <address@hidden> writes:
>
> > Jan Djärv <address@hidden> writes:
> >
> > > Hello.
>
> Hi Jan,
>
> > > AFAIK, using Glib and NS just means calling xg_select instead of
> > > pselect in one place.  It is not done, because there has been no need
> > > for it.
> >
> > Ah, thanks for the hint. I'll take it into account when I integrate that
> > code. In case of problems I'll ask you :-)
>
> Here I am already ...
>
> I'm just checking how to receive file notification events in batch
> mode. It works fine when inotify.c is linked with Emacs, using
> (read-event ...), but I'm not able to receive events when gfilenotify.c
> is linked.
>
> No problem when Emacs runs interactively. Do you know, how I could
> retrieve events in that case?

The select in the NS port runs in another thread.  So just switching to 
xg_select will not do.  You have to explicitly check if in batch mode, 
then check if GLib has file descriptors we don't know about, and then 
call xg_select in the main thread.

        Jan D.