[Click] ELEMENT_MT_SAFE

[Beyers Cronje]

Hi Dagang,

ELEMENT_MT_SAFE means the element should run safely in a Click
multi-threaded configuration.

As for your second question, to make an element multithread safe you
have to implement a locking scheme using either spinlocks or rwlocks,
or use structures per CPU as CPUQueue does. Have a look at
http://pdos.csail.mit.edu/papers/click:usenix01/ for overview of SMP
Click.

Beyers

On 5/9/05, Dagang LI <dagang.li at student.kuleuven.ac.be> wrote:
> Hello,
> 
> I have a very basic question:
> What does ELEMENT_MT_SAFE() mean at the end of the .cc files for some
> elements?
> and an extended one:
> Is there a comprehensive list and explanation on it and the alikes?
> Many thanks!
> 
> Kind regards,
> Dagang
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