NetBSD's usleep(3) only returns -1/sets errno=EINVAL when `microseconds`
is one million or more
MFC after: 3 days
Submitted by: pho
Sponsored by: EMC / Isilon Storage Division
minus the vendor Makefiles
Provide directions for how to bootstrap the vendor sources in
FREEBSD-upgrade
MFC after 2 weeks
Discussed with: rpaulo
Sponsored by: EMC / Isilon Storage Division