Carlos Garnacho a6ec2b1d42 backends: Set error when opening /sys file fails
The caller in clutter really expects an error if fd==-1, so make
sure we set one here. Otherwise we get a nice crash in addition to
the failure to open the /sys file. Also, retry on EINTR.

https://bugzilla.gnome.org/show_bug.cgi?id=784881
2017-07-14 12:28:32 +02:00
..