Re: [Xenomai-help] [RT_PIPE] - User space read() not waking up

[Jan Kiszka <jan.kiszka@domain.hid>]

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Dmitry Adamushko wrote:
> [...]
>> So basically, my question is:
>> If I have rt_pipe_write() writing to a pipe from a kernel module with a
>> 200 us period and I have a read() in a tight loop reading from that same
>> pipe is user space, what could be the origin of the fact that
>> sometimes my
>> read() doesn't get woken up?
> 
> 
> Xenomai does provide a Linux system with hard real-time support but it
> doesn't make the Linux kernel itself hard real-time, nor user-space
> applications which relies merely on the standard kernel services.

Good that you read the mail more thoroughly than I did... :-/

Yes, that's obviously an application design issue.

Jan


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