[fpc-pascal] replacement of MemAvail and MaxAvail

[Mark Morgan Lloyd]

On 30/05/2014 11:00, mokashe.ram wrote:
>   Thanks For Your This Prompt Reply...
> but in promgram these functions are already used in my applcation developed
> in TP7, sonow i am migration this applcation to free pascal. how can i
> replace using free pascal?

Don't. In the larger scale of things, people started to realise in the 
1970s that application programs which had handled their own memory 
management and possibly timesharing (e.g. APL on an IBM S/370) had to be 
rewritten as soon as operating systems started to provide virtual memory.

The only reason this wasn't really seen on PCs was that the advent of 
virtual memory was accompanied by a gross change in the overall 
programming model, so very few people had to deal with unmodified DOS 
programs suddenly behaving unpredictably when run on OS/2 or Windows.

So it's entirely in order to report e.g. the amount of heap currently 
allocated for debugging purposes, but don't assume that there's a useful 
fixed maximum.

-- 
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk

[Opinions above are the author's, not those of his employers or colleagues]