e2a5f9e02d
Add a helper function to check if a struct timespec is zero. This helper will be used in the upcoming commits to transition the Weston codebase to struct timespec. Signed-off-by: Alexandros Frantzis <alexandros.frantzis@collabora.com> Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>