From owner-freebsd-threads@FreeBSD.ORG Tue Jul 8 15:01:37 2003 Return-Path: Delivered-To: freebsd-threads@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6953137B401; Tue, 8 Jul 2003 15:01:37 -0700 (PDT) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id E867143F75; Tue, 8 Jul 2003 15:01:34 -0700 (PDT) (envelope-from davidxu@freebsd.org) Received: from tiger (davidxu@localhost [127.0.0.1]) by freefall.freebsd.org (8.12.9/8.12.9) with SMTP id h68M1WUp063358; Tue, 8 Jul 2003 15:01:33 -0700 (PDT) (envelope-from davidxu@freebsd.org) Message-ID: <001201c3459c$f0f66480$0701a8c0@tiger> From: "David Xu" To: "John Baldwin" , "Terry Lambert" , References: <3F0A9E8E.99CA9BD@mindspring.com> <200307080923.20011.jhb@FreeBSD.org> Date: Wed, 9 Jul 2003 06:04:43 +0800 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 cc: threads@freebsd.org Subject: Re: libc_r silliness X-BeenThere: freebsd-threads@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: David Xu List-Id: Threading on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 08 Jul 2003 22:01:37 -0000 ----- Original Message -----=20 From: "John Baldwin" To: "Terry Lambert" ; Cc: Sent: Tuesday, July 08, 2003 9:23 PM Subject: Re: libc_r silliness > On Tuesday 08 July 2003 06:35 am, Terry Lambert wrote: > > Daniel Eischen wrote: > > > On Mon, 7 Jul 2003, John Baldwin wrote: > > > > > I don't really know how to handle this. We can wrap > > > > > sched_get_priority_{min,max}(), but how do we know whether > > > > > the application wants process priorities or thread > > > > > priorities? > > > > > > > > Ugh. Perhaps the manpage should at least be updated to not > > > > reference the macros. What does POSIX say about the confusion > > > > between sched_get_priority_{min,max}? > > > > > > Sure, update the man pages if you want ;-) > > > > > > I have not found anything yet regarding = sched_get_priority_{min,max} > > > confusion in the POSIX spec... > > > > = http://www.opengroup.org/onlinepubs/007904975/functions/sched_get_priorit= y_ > >max.html > > > > The functions take a policy parameter; they are supposed to > > return "appropriate" values, which I took to mean "appropriate > > to the policy parameter supplied at the time they were called": > > > > int sched_get_priority_max(int policy); > > int sched_get_priority_min(int policy); > > > > The sched_get_priority_max() and sched_get_priority_min() > > functions shall return the appropriate maximum or minimum, > > respectively, for the scheduling policy specified by policy. >=20 > Yes, but in a multithreaded program when I call=20 > sched_get_priority_max(SCHED_RR), does that tell me the maximum = process=20 > SCHED_RR priority for use with sched_setschedparam() or does it tell = me the=20 > maximum thread SCHED_RR priority for use with pthread_setschedparam()? >=20 See page: http://www.opengroup.org/onlinepubs/007904975/basedefs/sched.h.html They are marked with 'TPS' code, so they are applied to thread = scheduling. Otherwise, they should be marked with 'PS' code. This is the code page: http://www.opengroup.org/onlinepubs/007904975/help/codes.html > --=20 >=20 > John Baldwin <>< http://www.FreeBSD.org/~jhb/ > "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ > _______________________________________________ > freebsd-threads@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-threads > To unsubscribe, send any mail to = "freebsd-threads-unsubscribe@freebsd.org" >=20 David Xu