The queue is opened with O_CREAT | O_RDWR. Please note that I sent an updated version of the code that causes the crash - the queue in both the mq_send and mq_receive is "link_rq_mq".
-----Original Message----- From: Gilles Chanteperdrix [mailto:[EMAIL PROTECTED] Sent: Tuesday, August 01, 2006 6:09 PM To: Landau, Bracha Cc: [email protected] Subject: RE: [Xenomai-help] mq_send /mq_receive problem Landau, Bracha wrote: > //********************************************************* > // The following is a snippet from the kernel module: > // (If the delay is put in, it works fine.) > //********************************************************** > > static void *LinkThread (struct net_device *dev) > { > int status; > link_request linkr; > struct timespec ttt,xxx; > ttt.tv_sec = 2; > ttt.tv_nsec = 0; > > while (1) > { > if ((status=mq_receive (link_rq_mq, (char *)&linkr, sizeof > (linkr), 0)) > 0) > { > //nanosleep (&ttt, &xxx); > status = mq_send (link_rq_mq_out, (char *)&linkr, > sizeof (linkr), 0); > } > } > return 0; > } What are the flags passed to mq_open ? If for example O_NONBLOCK is set, then the behaviour you observe is normal. -- Gilles Chanteperdrix. *********************************************************************************** This email message and any attachments thereto are intended only for use by the addressee(s) named above, and may contain legally privileged and/or confidential information. If the reader of this message is not the intended recipient, or the employee or agent responsible to deliver it to the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited. If you have received this communication in error, please immediately notify the [EMAIL PROTECTED] and destroy the original message. *********************************************************************************** _______________________________________________ Xenomai-help mailing list [email protected] https://mail.gna.org/listinfo/xenomai-help
