AFAIK, the double-checking locking pattern is safe in C# if it is done using memory barriers:
http://blogs.msdn.com/brada/archive/2004/05/12/130935.aspx Zoltan On Tue, May 13, 2008 at 4:58 PM, knocte <[EMAIL PROTECTED]> wrote: > > On Apr 28, 5:53 pm, Sebastien Pouliot <[EMAIL PROTECTED]> > > wrote: > > > >> On Mon, 2008-04-28 at 08:23 -0700, knocte wrote: > >> > (BTW, are we sure that Mono implements this the same way > >> > as .NET?). > > > >> This is indeed the right question. > > > >> The same issue was discussed on another thread (a bit more recent) and > >> it's something that needs to be validated with the runtime guys (I do > >> remember Zoltan asking me to change a double-lock, albeit a long time > >> ago, in CryptoConfig). > > > >> I'll a bit short on time this week (got a presentation to finish/present > >> in two days and stretched a bit my free time this weekend for the rule > >> day) but feel free to bring the discussion to mono-devel, I'll join in > >> later :-) > > > > Mmm, thanks for warning us Sebastien! I agree we should push this to > > mono-devel but, regardless of this runtime topic, come to think of it, > > we should change the rule anyway, because otherwise Gendarme would > > rely on a bug (if Mono doesn't implement this like .NET, it's a bug, > > because I guess it's included in the CLR spec). Besides, Gendarme is > > supposed to target any .NET implementation, right? And doing a double- > > check is just harmless in the case Mono doesn't mimic .NET's CLR (and > > maybe it's better to have your own code conformant to .NET standards, > > this way you won't have to modify it in the future when Mono gets > > fixed). > > > > Hey, sorry for not having brought this to mono-devel until now, but I > was curious to the answer to the above. However, nobody has answered > but, anyway, today I've just seen a commit in the runtime that may be > related to this issue: > > http://lists.ximian.com/pipermail/mono-patches/2008-May/117918.html > > Zoltan, can we then consider that Mono mimics .NET in this aspect:? > http://msdn2.microsoft.com/en-us/library/ms998558.aspx > > Is there a bugzilla bug open for this? > > FYI, the original thread: > > http://groups.google.com/group/gendarme/browse_thread/thread/b46d1ddc3a2d8fb9#msg_9b9c2989cedb4c34 > > Thanks! > > Andres > > -- > _______________________________________________ Mono-devel-list mailing list Mono-devel-list@lists.ximian.com http://lists.ximian.com/mailman/listinfo/mono-devel-list