RE: printf locking (was Re: FreeBSD 4.5: Second CPU Not Working

On 25-Mar-2002 Doug Rabson wrote:
> On Mon, 25 Mar 2002, John Baldwin wrote:
> 
>>
>> Hmmmm.  Well, we really need proper printf locking (which probably shouldn't
>> use blocking locks).
> 
> Weren't there some patches (from chuckp?) floating around to do this.
> Something along the lines of a trylock which buffers characters
> somewhere if it fails. I wanted this (again) recently - I couldn't work
> out why syscons kept wedging until I remembered there were no locks on the
> console. In the end, I just switched to a serial console.

I don't think I ever received the patches to do this when I asked for them.

-- 

John Baldwin <[e-mail]>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/

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