From: Philippe Gerum <rpm@xenomai.org>
To: "Landau, Bracha" <BLandau@domain.hid>
Cc: xenomai@xenomai.org.
Subject: Re: [Xenomai-help] using mq_receive and mq_send
Date: Wed, 30 Nov 2005 15:00:50 +0100 [thread overview]
Message-ID: <438DB092.4050308@domain.hid> (raw)
In-Reply-To: <02AA386EB831044F8537A696BA785C78076485@domain.hid>
Landau, Bracha wrote:
> I am using Xenomai on the MPC8272ADS board with kernel 2.6.14.3.
>
> I've created an application that uses posix message queuing from xenomai.
>
> When I call mq_open, mq_close, mq_setattr, mq_getattr, mq_unlink - the calls succeed.
>
> When I call mq_receive or mq_send, the call fails (returns -1) and errno is set to 1 (Operation not permited).
>
> I put some debugging printk's into the xenomai code and it seems it doesn't even get to the call to __mq_receive or __mq_send from syscall.c (it does get to printk's that I put in the other __mq_* functions).
>
> Can anyone help?
>
You must link your app with the flags output by "xeno-config
--posix-ldflags". Have a look at skins/posix/demos/Makefile for a
working example.
--
Philippe.
next prev parent reply other threads:[~2005-11-30 14:00 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-30 13:46 [Xenomai-help] using mq_receive and mq_send Landau, Bracha
2005-11-30 14:00 ` Philippe Gerum [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-11-30 14:25 Landau, Bracha
2005-11-30 14:36 ` Philippe Gerum
2005-11-30 15:42 Landau, Bracha
2005-11-30 15:44 ` Jan Kiszka
2005-12-01 8:23 Landau, Bracha
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=438DB092.4050308@domain.hid \
--to=rpm@xenomai.org \
--cc=BLandau@domain.hid \
--cc=xenomai@xenomai.org. \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.