cvs commit: src/sys/kern tty.c
Attilio Rao
attilio at freebsd.org
Tue Dec 19 19:18:04 PST 2006
2006/12/19, Martin Blapp <mbr at freebsd.org>:
> mbr 2006-12-19 22:34:33 UTC
>
> FreeBSD src repository
>
> Modified files:
> sys/kern tty.c
> Log:
> Giant might have been temporarily dropped while waiting for proctree_lock, allowing for an
> intervening tty_close() that cleared tp->t_session.
Since proctree_lock is a sx lock which uses 2 condition variables,
they alredy drop Giant (DROP_GIANT()) before sleeping. Are you secure
it is the right thing to do here?
Attilio
--
Peace can only be achieved by understanding - A. Einstein
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