svn commit: r190299 - stable/7/sys/kern

[Mike Silbersack]

On Sun, 22 Mar 2009, Robert Watson wrote:

> On Sun, 22 Mar 2009, Mike Silbersack wrote:
>
>>  Fix unp_gc so that it recognizes file descriptors
>>  that are currently in the process of being passed
>>  between processes as alive and does not
>>  try to garbage collect them.
>>
>>  The full description of the problem and a test
>>  program to reproduce it can be found in PR 112554.
>>
>>  This fix was inspired by similar fixes in NetBSD and BSD/OS.
>>  However, it does not apply to FreeBSD 8 and above -
>>  when this code was rewritten and optimized, the bug
>>  was fixed in a different way.  The test program in the
>>  PR passes on 8-current with flying colors.
>
> We have a UNIX domain socket-passing regression test that creates various 
> contortion-esque situations and then looks to see if sockets were leaked.  If 
> it doesn't yet capture this failure mode, could you add it to that test?
>
> Robert N M Watson
> Computer Laboratory
> University of Cambridge

I've been meaning to do that for two years, that's what delayed me from 
committing this.  I finally decided to get it in before I missed another 
release.

So I can try, but I won't make any guarantees.

Mike "Silby" Silbersack