cvs commit: src/sys/dev/syscons/apm apm_saver.c src/sys/i386/bios apm.c apm.h

John Baldwin jhb at
Thu Jun 1 14:07:12 UTC 2006

On Thursday 01 June 2006 00:27, Gleb Smirnoff wrote:
> On Wed, May 31, 2006 at 11:23:01AM -0400, John Baldwin wrote:
> J> Nah, that was phk's other timekeeping code to see which timeouts take a 
> J> time to execute.  The THREAD_NO_SLEEPING() stuff was added just before 
> J> was released and replaced a couple of "special" mutexes that were held 
> J> to provoke WITNESS warnings.
> To take a long time to execute one doesn't need to sleep, it can also do
> a lot of job.

Yes, but sleeping in softclock leads to deadlock much more quickly than a 
long-running callout.

John Baldwin

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