cvs commit: src/share/man/man4 unix.4 src/sys/sys socket.h un.h unpcb.h src/sys/kern uipc_usrreq.c

[Alfred Perlstein]

* Matthew N. Dodd <mdodd at FreeBSD.ORG> [050413 10:04] wrote:
> On Wed, 13 Apr 2005, Antoine Brodin wrote:
> >I'm not sure it's safe to sooptcopyout/sooptcopyin while holding the
> >unp mutex in uipc_ctloutput.  It can fault.
> 
> I was concerned about this but saw that other code holds locks across 
> sooptcopy*() calls.
> 
> If there is a deadlock problem it may be time to add a per unpcb lock.

This should be tripping an assertion, copyout/copyin is not ok while
holding a mutex.  Does anyone want to add the logic to sooptcopy*?

-- 
- Alfred Perlstein
- Research Engineering Development Inc.
- email: bright at mu.org cell: 408-480-4684