* [Xenomai-help] multiple tasks calling rt_pipe_write() on same pipe
@ 2007-12-10 17:27 Theo Veenker
2007-12-10 17:45 ` Philippe Gerum
0 siblings, 1 reply; 3+ messages in thread
From: Theo Veenker @ 2007-12-10 17:27 UTC (permalink / raw)
To: Xenomai
Hi,
I have multiple tasks all calling rt_pipe_write() to send some data
through the same pipe. Is my assumption that rt_pipe_write() won't be
interupted when a higher priority thread becomes ready correct?
Theo
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [Xenomai-help] multiple tasks calling rt_pipe_write() on same pipe
2007-12-10 17:27 [Xenomai-help] multiple tasks calling rt_pipe_write() on same pipe Theo Veenker
@ 2007-12-10 17:45 ` Philippe Gerum
2007-12-10 17:51 ` Theo Veenker
0 siblings, 1 reply; 3+ messages in thread
From: Philippe Gerum @ 2007-12-10 17:45 UTC (permalink / raw)
To: Theo Veenker; +Cc: Xenomai
Theo Veenker wrote:
> Hi,
>
> I have multiple tasks all calling rt_pipe_write() to send some data
> through the same pipe. Is my assumption that rt_pipe_write() won't be
> interupted when a higher priority thread becomes ready correct?
>
Messages are always atomically queued on the write side, so the contents
of two distinct messages won't be mixed. Of course, the priority may
still affect the queuing order of both messages, though. Does this
answer your question?
--
Philippe.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [Xenomai-help] multiple tasks calling rt_pipe_write() on same pipe
2007-12-10 17:45 ` Philippe Gerum
@ 2007-12-10 17:51 ` Theo Veenker
0 siblings, 0 replies; 3+ messages in thread
From: Theo Veenker @ 2007-12-10 17:51 UTC (permalink / raw)
To: rpm; +Cc: Xenomai
Philippe Gerum wrote:
> Theo Veenker wrote:
>> Hi,
>>
>> I have multiple tasks all calling rt_pipe_write() to send some data
>> through the same pipe. Is my assumption that rt_pipe_write() won't be
>> interupted when a higher priority thread becomes ready correct?
>>
>
> Messages are always atomically queued on the write side, so the contents
> of two distinct messages won't be mixed. Of course, the priority may
> still affect the queuing order of both messages, though. Does this
> answer your question?
>
Perfectly! Thanks.
Theo
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2007-12-10 17:51 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2007-12-10 17:27 [Xenomai-help] multiple tasks calling rt_pipe_write() on same pipe Theo Veenker
2007-12-10 17:45 ` Philippe Gerum
2007-12-10 17:51 ` Theo Veenker
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