From: Jan Kiszka <jan.kiszka@domain.hid>
To: "Li Yi (Adam)" <liyiadam@domain.hid>
Cc: xenomai-help <xenomai@xenomai.org>
Subject: Re: [Xenomai-help] Sychronize between Linux and Xenomai domain
Date: Wed, 12 Jul 2006 10:51:09 +0200 [thread overview]
Message-ID: <44B4B7FD.2060302@domain.hid> (raw)
In-Reply-To: <4546494d0607120124t6a38b19dp8e9f4514c64309a2@domain.hid>
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Li Yi (Adam) wrote:
> But how to handle the situation when, e.g, a normal Linux task( in kernel
> space) and a Xenomai task (in kernel space),
> they share a global data structure. The Linux task want to block the
> Xenomai
> task for a while when it handles this data structure, while
> at the same time HW interrupt is enabled? When the data is ready, Xenomai
> task is waken up.
Simply turn the Linux task into a Xenomai task (set priority to 0 if the
task has otherwise no RT jobs) and use a mutex. That's far cleaner than
playing with suspend/resume anyway.
Jan
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next prev parent reply other threads:[~2006-07-12 8:51 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-10 6:16 [Xenomai-help] Sychronize between Linux and Xenomai domain Li Yi (Adam)
2006-07-10 7:11 ` Jan Kiszka
2006-07-10 8:48 ` Li Yi (Adam)
2006-07-10 9:07 ` Jan Kiszka
2006-07-10 9:31 ` Li Yi (Adam)
2006-07-10 9:44 ` Jan Kiszka
2006-07-11 4:25 ` Li Yi (Adam)
2006-07-11 6:14 ` Jan Kiszka
2006-07-11 6:48 ` Li Yi (Adam)
2006-07-11 6:53 ` Li Yi (Adam)
2006-07-11 7:29 ` Jan Kiszka
2006-07-11 7:43 ` Li Yi (Adam)
2006-07-11 7:47 ` Jan Kiszka
2006-07-12 1:51 ` Li Yi (Adam)
2006-07-12 6:34 ` Jan Kiszka
2006-07-12 7:34 ` Li Yi (Adam)
2006-07-12 7:51 ` Jan Kiszka
2006-07-12 8:24 ` Li Yi (Adam)
2006-07-12 8:51 ` Jan Kiszka [this message]
2006-07-14 8:37 ` Philippe Gerum
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