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From: "M. Tavasti" <tawz@nic.fi>
To: linux-kernel@vger.kernel.org
Subject: Re: Select with device and stdin not working
In-Reply-To: <Pine.LNX.3.95.1010725114322.520A-100000@chaos.analogic.com> <m2u1zznbcv.fsf@akvavitix.vuovasti.com>
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Date: 26 Jul 2001 16:20:31 +0300
In-Reply-To: "M. Tavasti"'s message of "26 Jul 2001 15:06:24 +0300"
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"M. Tavasti" <tawz@nic.fi> writes:

> randomly makes select return. When looking from random.c, in 2.2.19
> poll_wait is called once, like this:
> 
> 	poll_wait(file, &random_poll_wait, wait);
> 
> And in 2.4.5:
> 
> 	poll_wait(file, &random_read_wait, wait);
> 	poll_wait(file, &random_write_wait, wait);
> 
> 
> I think I got idea how to do it right, make one wait queue for poll,
> which is woken up when read OR write queue is woken up. 

After testing with my own driver, using just one poll_wait doesn't
make difference in 2.4.5.

-- 
M. Tavasti /  tavastixx@iki.fi  /   +358-40-5078254
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