It got fixed but I can't explain why this fixed it. I usually work on a headless machine, and am always working on a VNC server. I randomly just killed the existing server and started a new one on the same machine (nothing rebuilt since that last email) and now gfilenotify started working again! On Wed, Apr 29, 2015 at 8:39 PM Kaushal wrote: > I just rebuilt emacs-24.4 tag from git while glib 2.40.00 is installed. > But the same results; gfilenotify doesn't work this time. The last time it > worked, it was the same RHEL 5.10, glib 2.40.00 and emacs 24.4. Here is the > config.h (renamed) created for the 24.4 build: > https://dl.dropboxusercontent.com/u/10985/config-emacs-24.4.h > > Is there anything else that gfilenotify depends on? Can I test something > from the terminal to verify glib installation that would make gfilenotify > work? > > Thanks! > > On Wed, Apr 29, 2015 at 8:08 PM Kaushal wrote: > >> Thanks. glib looks like the culprit. >> >> When filenotify used to work, I had glib 2.40.00 installed on RHEL 5.10. >> >> Then I upgraded to glib 2.44.00 last week (also rebuilt emacs after that) >> in efforts to fix a frame issue I am still facing ( >> http://emacs.stackexchange.com/q/10745/115 ). The upgrade didn't fix >> that issue and it seemed that it didn't break anything so I stayed at that >> version. >> >> But looks that that broke the gfilenotify functionality. >> >> Now, I did make uninstall on glib 2.44.00 and reinstalled glib 2.40.00 >> and rebuilt latest emacs from master. But that did not fix the gfilenotify >> issue. I don't know what else I can look into. >> >> Here is the requested src/config.h after reverting back to glib 2.40.00 >> and rebuilding emacs from master: >> https://dl.dropboxusercontent.com/u/10985/config.h >> >> Thanks for the help! >> >> On Wed, Apr 29, 2015 at 5:43 PM Michael Albinus >> wrote: >> >>> Kaushal writes: >>> >>> > When I eval >>> > >>> > (file-notify-add-watch >>> > "/tmp/foo" '(change attribute-change) 'my-notify-callback) >>> > >>> > I see something like >>> > >>> > 38390812 (#o222346034, #x249cc1c) >>> > >>> > in the *Messages* buffer and even the `file-notify-descriptors` hash >>> > is updated. >>> > >>> > But the callback fn is never executed. >>> >>> Which Linux distribution are you using? Which glib version? >>> >>> What are the configure options of your Emacs build? Pls show >>> src/config.h. >>> >>> Best regards, Michael. >>> >>