Hi Peter,

Can you give us some samples of that strange usage? I'm curious.

P


----- Original Message -----
From: "Peter Ritchie" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Friday, April 07, 2006 8:46 PM
Subject: Re: [ADVANCED-DOTNET] Interlocked.Increment/Decrement/Add


| Don't get me wrong; I'm not asking how to use the Interlocked class.  I'm
| looking more for the decisions leading up other people's use of
| Interlocked.
|
| Scott has a correct answer with the C# increment operator is not atomic
| and if called from multiple threads will result in random data.  Same
| holds true for +=, -=, --, /=, *=, etc.  But, he qualifies it with
| multiple threads.
|
| I've seen some pretty strange uses of
| Interlocked.Increment/InterlockedIncrement over the years and was curious
| of people's concept of the methods and the semantics.
|
| On Fri, 7 Apr 2006 14:06:31 -0400, Shawn Wildermuth
| <[EMAIL PROTECTED]> wrote:
|
| >Performance....they are a lot faster than a lock and much lighter weight.
| >THere is a great discussion of them in Jeffrey Richter's new book "CLR
via
| >C#".  I'd suggest picking that up.
| >
| >
| >
| >
| >Thanks,
| >
| >Shawn Wildermuth
| >http://adoguy.com
| >C# MVP, MCSD.NET, Author and Speaker
| >
| >
| >-----Original Message-----
| >From: Discussion of advanced .NET topics.
| >[mailto:[EMAIL PROTECTED] On Behalf Of Peter Ritchie
| >Sent: Friday, April 07, 2006 1:41 PM
| >To: [email protected]
| >Subject: [ADVANCED-DOTNET] Interlocked.Increment/Decrement/Add
| >
| >The topic of using Interlocked.Increment(Int32) came up elsewhere, and I
| was
| >wondering what other's in the community were doing with Interlocked in
| their
| >code and their coding guidelines.
| >
| >If you're using Interlocked.Increment(Int32), .Decrement(Int32), or .Add
| >(Int32, Int32), in particular, what are you expectations of these
methods?
| >Why have you chosen them over equivalent language syntax?
| >
| >I'd also be interested on your thoughts on
| >Interlocked.Increment/Decrement/Add(Int64).  Do you use the corresponding
| >Interlocked.Read(Int64) as well?
|
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