As per the updated FreeBSD copyright template. These were unambiguous
cases where the Foundation was the only listed copyright holder.
Sponsored by: The FreeBSD Foundation
Reviewed by: kib, markj
Obtained from: CheriBSD
Sponsored by: The University of Cambridge, Google Inc.
Differential Revision: https://reviews.freebsd.org/D33988
Without wrapping, rtld services and malloc(3) are not guaranteed
to operate correctly in the forked child.
Reviewed by: markj
MFC after: 1 week
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D28088