intended to verify that SIGPIPE is delivered to a process writing or
sending on a socket that has been shut down for write. If available,
SO_NOSIGPIPE is also tested.
This regression test is currently passed by RELENG_4, but not by HEAD or
RELENG_5, due to a bug in the write() code for sockets. SO_NOSIGPIPE is not
present in RELENG_4, however, so is not tested there.
Reported by: Mikko Tyolajarvi <mbsd at pacbell dot net>
PR: 78478