Date: Fri, 29 May 1998 12:13:12 -0700 From: Mike Smith <mike@smith.net.au> To: Peter Dufault <dufault@hda.com> Cc: bde@zeta.org.au (Bruce Evans), mike@smith.net.au, current@FreeBSD.ORG Subject: Re: cdrecord trouble on currnet Message-ID: <199805291913.MAA00482@dingo.cdrom.com> In-Reply-To: Your message of "Fri, 29 May 1998 07:09:30 EDT." <199805291109.HAA23356@hda.hda.com>
next in thread | previous in thread | raw e-mail | index | archive | help
> > > 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.
8) Thanks again.
In reality, I can just check the return from sysconf; if
_SC_PRIORITY_SCHEDULING can't be queried, then it's not a goer anyway.
--
\\ Sometimes you're ahead, \\ Mike Smith
\\ sometimes you're behind. \\ mike@smith.net.au
\\ The race is long, and in the \\ msmith@freebsd.org
\\ end it's only with yourself. \\ msmith@cdrom.com
To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-current" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199805291913.MAA00482>