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From: Daniele Nicolodi <daniele@domain.hid>
To: xenomai@xenomai.org
Subject: [Xenomai-core] Analogy: cancel ongoing commands when a device is closed
Date: Thu, 18 Mar 2010 17:50:25 +0100	[thread overview]
Message-ID: <4BA259D1.4020704@domain.hid> (raw)

After fixing analogy to permit continuous acquisition, I discovered that
ongoing commands are not canceled when a device is closed (I obtain a
DMA buffer owerwrite warning in the kernel log when I abruptly terminate
 my acquisition program).

I think this is quite a surprising behavior. I would expect that the
commands are canceled when there isn't a data consumer any more. Would
it be possible to cancel any ongoing command on device close? If there
is agreement on this, I can look into providing a patch.

Thanks. Cheers,
-- 
Daniele


             reply	other threads:[~2010-03-18 16:50 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-18 16:50 Daniele Nicolodi [this message]
2010-03-19  0:05 ` [Xenomai-core] Analogy: cancel ongoing commands when a device is closed Alexis Berlemont
2010-03-29 18:40   ` Daniele Nicolodi
2010-04-05 21:54     ` Alexis Berlemont
2010-04-23 20:39       ` [Xenomai-core] Analogy: cmd_bits Stefan Schaal
2010-04-24 22:20         ` Alexis Berlemont
2010-06-24 23:04       ` [Xenomai-core] Analogy: cancel ongoing commands when a device is closed Alexis Berlemont

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