From owner-freebsd-arch  Mon Aug 26 17: 4: 8 2002
Delivered-To: freebsd-arch@freebsd.org
Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 7BBDA37B400
	for <arch@freebsd.org>; Mon, 26 Aug 2002 17:04:06 -0700 (PDT)
Received: from elvis.mu.org (elvis.mu.org [192.203.228.196])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 0D7AB43E6A
	for <arch@freebsd.org>; Mon, 26 Aug 2002 17:04:06 -0700 (PDT)
	(envelope-from bright@elvis.mu.org)
Received: by elvis.mu.org (Postfix, from userid 1192)
	id EA893AE163; Mon, 26 Aug 2002 17:04:04 -0700 (PDT)
Date: Mon, 26 Aug 2002 17:04:04 -0700
From: Alfred Perlstein <bright@mu.org>
To: Julian Elischer <julian@elischer.org>
Cc: arch@freebsd.org
Subject: Re: Process/thread states.
Message-ID: <20020827000404.GM96154@elvis.mu.org>
References: <Pine.BSF.4.21.0208261603020.83598-100000@InterJet.elischer.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <Pine.BSF.4.21.0208261603020.83598-100000@InterJet.elischer.org>
User-Agent: Mutt/1.4i
Sender: owner-freebsd-arch@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-arch.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20freebsd-arch>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20freebsd-arch>
X-Loop: FreeBSD.ORG

* Julian Elischer <julian@elischer.org> [020826 17:00] wrote:
> 
> Ok so I've mentionned this to a few peopel at different times and not got
> any real feedback/pushback.. time fopr a wider audience.
...
> e.g. something like: (yeah I know its messy but...):
> 
> 
>  
> #define TD_ST_SUSPQ        0x01    /* uses runq field */
> #define TD_ST_RUNQ         0x02    /* uses runq field */
> #define TD_ST_RUNNING      0x03    /* uses no (virtual) field */
> #define TD_ST_MTX          0x04    /* uses mtx field */
> #define TD_ST_RQ_MASK      0x07    /* mask of non sleep states */
> #define TD_ST_SLPQ         0x08    /* uses slpq field */
> enum thread_state {
>         TDS_UNQUEUED    = 0x00,
>         TDS_SLP         = TD_ST_SLPQ,
>         TDS_RUNQ        = TD_ST_RUNQ,
>         TDS_RUNNING     = TD_ST_RUNNING,
>         TDS_SUSPENDED   = TD_ST_SUSPQ,
>         TDS_MTX         = TD_ST_MTX,
>         TDS_SUSP_SLP    = TD_ST_SUSPQ|TD_ST_SLPQ,
>         TDS_RUN_SLP     = TD_ST_RUNNING|TD_ST_SLPQ,
>         TDS_RUNQ_SLP    = TD_ST_RUNQ|TD_ST_SLPQ, 
>         TDS_MTX_SLP     = TD_ST_MTX|TD_ST_SLPQ,
>         TDS_SWAPPING    = TD_ST_SLPQ|TD_ST_RQ_MASK + 1,
>         TDS_IWAIT,	/* needed? */
>         TDS_SURPLUS	/* needed? */
> };

This seems good, another option would be to mostly expose things 
through a functional interface, like proc_set_swapping() or something.

-Alfred

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-arch" in the body of the message