[ECOS] Three questions from a beginner

[Jonathan Larmour]

Andrew Lunn wrote:
> 
> What do you mean by a memory pool? There is malloc, cyg_mempool_var_*
> and cyg_mempool_fix_*. The documentation for these last too sets seems
> to of disappeared. It used to be part of the kernel documentation,
> since these functions were part of the kernel code. But things got
> rearranged. Here is a reference to the old documentation:
> 
> http://sources.redhat.com/ecos/docs-1.3.1/ref/ecos-ref.9.html#pgfId=1026735 

Hmm... I've submitted a bug for this.

As for the other issue:
> - About mq_open (POSIX Message queue), what is exactely the descriptor that
> the function returns ? Do I affect memory by a malloc to conserve it or is
> it only a handle ? (The stupiest question I think... isn't it ?)

It's only a handle (in our implementation it's an address of a data 
structure in fact - but that's not important to an application), and 
obviously you need it to use the message queue, but you don't need to 
preserve it with malloc.

Jifl
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