On Sun, Jul 09, 2017 at 09:29:56PM -0400, Ted Unangst wrote:
> i've found ktrace of libevent to be a little noisy and hard to read because it
> always passes in a changes pointer to kevent, even with a count of 0. this is
> just a tiny change to pass NULL in that case, so that kdump doesn't spit out
> big hex numbers at me.
regress tests did not find any problems. OK bluhm@
> Index: kqueue.c
> ===================================================================
> RCS file: /cvs/src/lib/libevent/kqueue.c,v
> retrieving revision 1.39
> diff -u -p -r1.39 kqueue.c
> --- kqueue.c 3 Sep 2016 11:31:17 -0000 1.39
> +++ kqueue.c 10 Jul 2017 01:25:57 -0000
> @@ -190,7 +190,7 @@ kq_dispatch(struct event_base *base, voi
> ts_p = &ts;
> }
>
> - res = kevent(kqop->kq, changes, kqop->nchanges,
> + res = kevent(kqop->kq, kqop->nchanges ? changes : NULL, kqop->nchanges,
> events, kqop->nevents, ts_p);
> kqop->nchanges = 0;
> if (res == -1) {
