A monitor for every object

["Jérôme M. Berger"]

Robert Jacques wrote:
> On Fri, 04 Feb 2011 17:23:35 -0500, Jérôme M. Berger <jeberger at free.fr>
> wrote:
> 
>> Steven Schveighoffer wrote:
>>> D's monitors are lazily created, so there should be no issue with
>>> resource allocation.
>>     What happens if two threads attempt to create a monitor for the
>> same object at the same time? Is there a global lock to avoid race
>> conditions in this case?
>>
>>         Jerome
> 
> Only the reference to the mutex is shared, so all you need in an atomic op.

	This requires an atomic "if (a is null) a = b;". I did not know
that such a beast existed.

		Jerome
-- 
mailto:jeberger at free.fr
http://jeberger.free.fr
Jabber: jeberger at jabber.fr

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 198 bytes
Desc: OpenPGP digital signature
URL: <http://lists.puremagic.com/pipermail/digitalmars-d/attachments/20110205/3a2df032/attachment-0001.pgp>