RE: [sv-bc] Mailbox - null return

Thanks, Arturo -

At 03:47 PM 5/3/2006, Arturo Salz wrote:
> > Under what circumstances could creating a mailbox fail and return
>null?
>
>     Insufficient resources.

Is this equivalent to an impending crash?

>     Most likely insufficient memory, or perhaps a user/application
>defined limit on the number of mailboxes.

Makes sense. So the standard added a capability that is not likely to 
occur with a compliant simulator but a separate tool could impose a 
limit and monitor it through failure to create a mailbox. Interesting 
and forward thinking.

Regards - Cliff


>         Arturo
>
>-----Original Message-----
>From: owner-sv-bc@eda.org [mailto:owner-sv-bc@eda.org] On Behalf Of
>Clifford E. Cummings
>Sent: Wednesday, May 03, 2006 3:36 PM
>To: sv-bc@eda.org
>Subject: [sv-bc] Mailbox - null return
>
>Hi, All -
>
>This question came up in a class last week and I could not think of a
>good answer.
>
>14.3.1 New()
>Mailboxes are created with the new() method.
>...
>The new() function returns the mailbox handle or, if the mailbox
>cannot be created, null. ...
>
>Under what circumstances could creating a mailbox fail and return null?
>
>Regards - Cliff
>
>----------------------------------------------------
>Cliff Cummings - Sunburst Design, Inc.
>14314 SW Allen Blvd., PMB 501, Beaverton, OR 97005
>Phone: 503-641-8446 / FAX: 503-641-8486
>cliffc@sunburst-design.com / www.sunburst-design.com
>Expert Verilog, SystemVerilog, Synthesis and Verification Training

----------------------------------------------------
Cliff Cummings - Sunburst Design, Inc.
14314 SW Allen Blvd., PMB 501, Beaverton, OR 97005
Phone: 503-641-8446 / FAX: 503-641-8486
cliffc@sunburst-design.com / www.sunburst-design.com
Expert Verilog, SystemVerilog, Synthesis and Verification Training