Re: Is the Ada run-time required to detect out-of-memory

[Duncan Sands <baldrick@free.fr>]

> Does calloc know when it gets a new page and when is gets recycled page?

This is not really a recycled page.  In any case, the answer is probably "no".

> After all the simplest calloc implementation would be:
>
> void*
> calloc(size_t nmemb, size_t size)
> {
>   auto void* result = malloc (nmemb * size);
>   memset (result, '\0', nmemb * size);
>   return result;
> }

It's more efficient to not have to zero a page unless you write to it - in fact
to not really have any physical pages at all until you write to them.

Duncan.