[Tinyos-devel] ENOMEM in TinyError.h

[Philip Levis]

On May 6, 2008, at 8:40 AM, Matt Welsh wrote:
> An interface that attempts to allocate memory and is unable to do  
> so. This is consistent with UNIX semantics and would be familiar to  
> many programmers.
>
> ESIZE is not the same thing. The description is "the parameter  
> passed is too big". That could be because the interface does not  
> support values as large as the parameter value, which is different  
> than being currently unable to perform a memory allocation that  
> would otherwise have succeeded.
>
> More generally this could be captured with an ENORESOURCE which  
> says that the resources required to process the request -- whatever  
> they are -- are not available. ESIZE is not really appropriate  
> since it might have nothing to do with any parameter passed to the  
> interface.

Right: I guess my inquiry came from the question, given TinyOS's  
static allocation policy and pass semantics for buffers, whether  
ENOMEM makes sense. What interface would need it?

Phil