From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Wed, 02 Aug 2006 18:08:25 +0200
From: "Petr Cervenka" <grugh@domain.hid>
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Subject: [Xenomai-help] rt_pipe and rt_queue problems
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I have Xenomai snapshot (18.5.2006,  2.1.1 ~ 2.1.2) and userspace application.
I need to exchange lot of data between two tasks (producer -> consumer) with some buffer in the middle.
I used rt_pipe/linux device scheme, but I realised that the preformance is very low. (At least some performance monitor showed it)
So I tried to use rt_queue. But when I tried to read from queue with timeout (or TM_INFINITE), I got an EPERM error.
That means: "service should block, but was called from a context, which cannot sleep.". But I want to sleep (and wait for new data).
Where is the problem? Do you have any advice?
Petr Cervenka