From: Philippe Gerum <rpm@xenomai.org>
To: Roberto Finazzi <rfinaz@tin.it>, xenomai@xenomai.org
Subject: Re: [Xenomai] Heap binding error (EWOULDBLOCK)
Date: Tue, 17 Oct 2017 12:04:02 +0200 [thread overview]
Message-ID: <96045a73-a4c5-a441-ec74-31d03322b0d3@xenomai.org> (raw)
In-Reply-To: <1508232053.2272.23.camel@scrappix.utpvision.local>
On 10/17/2017 11:20 AM, Roberto Finazzi wrote:
> Hi,
> I'm porting an old Xenomai 2.5.6 application to the Cobalt 3.0.5.
> In the original application there were several heaps shared between many
> processes.
> Now I maintained the same structure but, when I tryed to bind an already
> created heap from another process, I had always the EWOULDBLOCK error.
> The names used in create and bind were the same. In the previous
> application the heap was created using H_SHARED but now is obsolete.
>
> Just to test I created two simple programs with a shared semaphore and
> the behaviour is the same: the second program is blocked always on the
> rt_sem_bind even if the semaphore is already created.
> It seems like if the name of the shared resource is not registered
> properly.
>
> Have you got some suggestions for me?
>
--enable-pshared is required for sharing common resources between processes.
--
Philippe.
next prev parent reply other threads:[~2017-10-17 10:04 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-17 9:20 [Xenomai] Heap binding error (EWOULDBLOCK) Roberto Finazzi
2017-10-17 10:04 ` Philippe Gerum [this message]
2017-10-18 6:03 ` Roberto Finazzi
2017-10-18 9:02 ` Philippe Gerum
2017-10-18 9:55 ` Roberto Finazzi
2017-10-18 16:40 ` Philippe Gerum
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