From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Mon, 10 Dec 2012 08:48:40 -0800
From: Anthony Martin <ality@pbrane.org>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Message-ID: <20121210164840.GB6179@dinah>
References: <1c2003a0cb54cfbfca361320611807b5@hamnavoe.com>
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In-Reply-To: <1c2003a0cb54cfbfca361320611807b5@hamnavoe.com>
Subject: Re: [9fans] why is /dev/mousein exclusive use?
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Richard Miller <9fans@hamnavoe.com> once said:
> Is there a good reason to forbid multiple processes to open
> the mousein device?  I can't think what trouble it could cause
> (writes have to be atomic anyway because the driver will only
> parse a complete input), and it makes it awkward to debug
> a new mouse driver if a usb mouse is already (or has ever been)
> connected.

IIRC, this restriction was removed in 9front.

  Anthony