For debugging sake, log to stderr / stdout. A modern system will redirect stderr to something like the systemd journal for structured logging appropriately.
On Sat, May 4, 2013 at 12:46 PM, אנטולי קרסנר <tomback...@gmail.com> wrote: > Thanks for your reply, > > I realized app error logs are needed only for debugging, I guess that's > why release-build apps in general don't need to log anything. In debug > mode, I'm taking your advice to write to the standard home cache dir. > > Anatoly > > On א', 2013-05-05 at 01:16 +0900, Tristan Van Berkom wrote: > > On Sat, May 4, 2013 at 10:22 PM, אנטולי קרסנר <tomback...@gmail.com> > wrote: > > > Hello, > > > > > > I'm writing a desktop application using Gnome technologies. I added > > > support for some operations which may fail or produce useful errors, so > > > I decided I want the app to record the warnings and errors in a log > > > file, allowing me to see the report later, and find bugs. > > > > > > I tried to find any conventions for GNU software logging, and for Gnome > > > apps, but I found nothing. > > > > > > Is there a convention for that? A standard location for log files in > > > filesystem/home directory? A common standard for naming them and > filling > > > the contents? > > > > System daemons would generally dump logs somewhere like: > > $(localstatedir)/log/$(daemonname)/$(daemonname).log > > > > Apps don't really log AFAIK, as they don't really have write permissions > > to /var/log, instead I would think it more appropriate for the app > launcher > > (something integrated in the window manager, like a springboard) to > direct > > logging of an apps' stdout/stderr to some directory *it* controls > (however > > I don't know if WMs or gnome-shell actually do this, just think it would > > be the 'right way'). > > > > If your app must write somewhere, it would be safe to write in > XDG_CACHE_HOME > > (g_get_user_cache_dir()). > > > > Cheers, > > -Tristan > > > > > > > > And does Gnome have a log viewer app for reading log files produced by > > > applications? > > > > > > > > > Anatoly > > > > > > _______________________________________________ > > > gtk-list mailing list > > > gtk-list@gnome.org > > > https://mail.gnome.org/mailman/listinfo/gtk-list > > > _______________________________________________ > gtk-list mailing list > gtk-list@gnome.org > https://mail.gnome.org/mailman/listinfo/gtk-list > -- Jasper
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