alarm: Refresh Kerberos tickets after a suspended system is resumed
A read(2) from the timerfd will fail with ECANCELED [1], which will be seen as G_IO_ERROR_CANCELLED, when the clock jumps after waking up. In this case, instead of giving up, the alarm should continue to fire or re-arm as needed. [1] http://man7.org/linux/man-pages/man2/timerfd_create.2.html https://bugzilla.gnome.org/show_bug.cgi?id=796095
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