cvs commit: src/sys/kern kern_exit.c

David Xu davidxu at freebsd.org
Mon Oct 23 22:47:06 UTC 2006


On Monday 23 October 2006 23:33, John Baldwin wrote:
> On Saturday 21 October 2006 19:59, David Xu wrote:
> > davidxu     2006-10-21 23:59:15 UTC
> >
> >   FreeBSD src repository
> >
> >   Modified files:
> >     sys/kern             kern_exit.c
> >   Log:
> >   Since revision 1.333 of kern_sig.c no longer uses P_WEXIT, the change
> >   opened a race window which can cause memory leak in signal queue.
> >   Here we free memory for signal queue when process state is set to
> >   PRS_ZOMBIE.
>
> Is there any reason to not just harvest it in wait() instead?

I prefer to free it earlier rather than delaying it if I can.



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