From: Denis Vlasenko <vda.linux@googlemail.com>
To: Mockern@yandex.ru
Cc: linux-kernel@vger.kernel.org
Subject: Re: Problem: cat < /dev/my_ttyS0 is not blocked
Date: Sat, 10 Mar 2007 23:43:31 +0100 [thread overview]
Message-ID: <200703102343.31135.vda.linux@googlemail.com> (raw)
In-Reply-To: <45F2A1B5.000006.27583@webmail15.yandex.ru>
On Saturday 10 March 2007 13:16, Mockern wrote:
> I have a problem with cat < /dev/my_ttyS0 (see strace output below).
> cat function is not blocked. I don't understand why it is not stopped
> at read(0, __ and terminated?
> Thank you
Because /dev/my_ttyS0 is probaly a null file.
Please show output of 'ls -l /dev/*ttyS*'
--
vda
prev parent reply other threads:[~2007-03-10 22:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-10 12:16 Problem: cat < /dev/my_ttyS0 is not blocked Mockern
2007-03-10 22:43 ` Denis Vlasenko [this message]
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