[RFC] locking.9

[Julian Elischer]

Pawel Jakub Dawidek wrote:
> On Wed, Mar 14, 2007 at 05:29:26AM +0100, Pawel Jakub Dawidek wrote:
>> On Tue, Mar 13, 2007 at 08:54:10PM -0700, Julian Elischer wrote:
>>> Julian Elischer wrote:
>>>
>>>> ok so how about I commit this to get us started and the nroff and
>>>> locking experts can take it from there.
>>> The first table I think may look like this (from quick reading.. but I may be wrong):
>>>
>>>
>>>     The following table shows what you can and can not do if you hold one of
>>>     the synchronisation primatives discussed here: (someone who knows what
>>>     they are talking about should write this table)
>> I think it should be:
>>
>>>           You have:  You want: Spin_mtx  Slp_mtx sx_lock rw_lock sleep
>>>           SPIN mutex           ok        no      no      no      no-3
>>>           Sleep mutex          ok        ok-1    no      ok      no-3
>>>           sx_lock              ok        no      ??      no      ok-4
>>             sx_lock              ok        ok      ok-2    ok      ok
>>>           rw_lock              ok        no      no      ok-2    no-3
>>             rw_lock              ok        ok      no      ok-2    no
> 
> I'd also add:
> 
>               You're in: You want: Spin_mtx  Slp_mtx sx_lock rw_lock sleep
>               interrupt\                 ok       no      no      no    no
>               context
> 


I checked it in..


go for it!

:-)