lockmgr_sleep() (was Re: ssleep() (was Re: mention msleep() in porting_drivers.txt))
aoiko at cc.ece.ntua.gr
Sun Feb 10 04:18:24 PST 2008
On Sunday 10 February 2008, Simon 'corecode' Schubert wrote:
> Aggelos Economopoulos wrote:
> > diff -u -p -r1.88 kern_synch.c
> > --- sys/kern/kern_synch.c
> > +++ sys/kern/kern_synch.c
> > @@ -587,6 +587,29 @@ tsleep_interlock(void *ident)
> > }
> > /*
> > + * Atomically drop a lockmgr lock and go to sleep. The lock is reacquired
> > + * before returning from this function. Passes on the value returned by
> > + * tsleep().
> > + */
> > +int
> > +lock_sleep(void *ident, int flags, const char *wmesg, int timo,
> > + struct lock *lk)
> I like it, but I'd put lock_sleep in kern_lock.c and wouldn't make
> lockstatus_owned public.
No problem with that.
> +10, should go in now. However then we'd ship a release with a lot of
> deprecation warnings. Maybe we should follow up with a msleep->spin_sleep
That was my intention. find + multiline regular expression should help.
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