From: Philippe Gerum <rpm@xenomai.org>
To: Kent Borg <kentborg@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-core] rt_pipe_create() and P_MINOR_AUTO
Date: Fri, 13 Jan 2006 08:38:45 +0100 [thread overview]
Message-ID: <43C75905.70603@domain.hid> (raw)
In-Reply-To: <20060112180233.T15311@domain.hid>
Kent Borg wrote:
> Hello,
>
> First things first: I am using version Xenomai 2.0.1 on a recompiled
> Ubuntu kernel version 2.6.14.3.
>
> I am confused by rt_pipe_create(), specifically, the "minor"
> parameter. The writeup at
> http://snail.fsffrance.org/www.xenomai.org/documentation/branches/v2.0.x/html/api/group__pipe.html#ga20
> says that:
>
> Passing P_MINOR_AUTO causes the minor number to be
> auto-allocated. In such a case, the name parameter must be valid so
> that user-space processes may subsequently follow the symbolic link
> that will be automatically created from
> /proc/xenomai/registry/pipes/name to the allocated pipe device entry
> (i.e. /dev/rtp*).
>
> Sounds great, but it doesn't seem true. <mope>
eh. P_MINOR_AUTO appears in 2.0.2.
>
> So I have to manage minor usage be hand until P_MINOR_AUTO is
> implemented, or did I miss something?
>
>
> Thanks,
>
> -kb, the Kent who hasn't had a chance to try the 2.6.15 kernel he
> started playing with last week.
>
> _______________________________________________
> Xenomai-core mailing list
> Xenomai-core@domain.hid
> https://mail.gna.org/listinfo/xenomai-core
>
--
Philippe.
prev parent reply other threads:[~2006-01-13 7:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-12 23:02 [Xenomai-core] rt_pipe_create() and P_MINOR_AUTO Kent Borg
2006-01-13 7:38 ` Philippe Gerum [this message]
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