Date: Fri, 29 May 1998 07:09:30 -0400 (EDT) From: Peter Dufault <dufault@hda.com> To: bde@zeta.org.au (Bruce Evans) Cc: dufault@hda.com, mike@smith.net.au, current@FreeBSD.ORG Subject: Re: cdrecord trouble on currnet Message-ID: <199805291109.HAA23356@hda.hda.com> In-Reply-To: <199805290119.LAA20313@godzilla.zeta.org.au> from Bruce Evans at "May 29, 98 11:19:43 am"
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> > if (sysconf(_SC_PRIORITY_SCHEDULING) == -1) {
> > if (errno != 0) {
> > /* This isn't valid:
> > */
(...)
> The "This isn't valid" case isn't valid, since sysconf() doesn't change
> errno if there is no error. errno must be set before calling sysconf().
I needed to cut a few more lines:
> /* Is priority scheduling configured?
> */
> errno = 0;
> if (sysconf(_SC_PRIORITY_SCHEDULING) == -1) {
Remember: Bruce is watching. Measure twice, cut once.
Peter
--
Peter Dufault (dufault@hda.com) Realtime development, Machine control,
HD Associates, Inc. Safety critical systems, Agency approval
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