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

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.

-- 
Doug Rabson				Mail:  [e-mail]
					Phone: [phone]



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