[Haskell-cafe] Re: Computer time, independent of date

[Manlio Perillo]

Mauricio ha scritto:
>> benchpress also uses System.CPUTime -- is
>  > that what you are looking for?
> 
> I'm writing a program that will read medical signs
> from many patients. It's important to have a precise
> measure of the time interval between some signs, and
> that can't depend on adjustments of time. (Supose
> my software is running midnight at the end of a year
> with leap seconds. I would get wrong time intervals.)
> 

What precision do you need?

On a recent POSIX platform you can use the real time clock:
http://linux.die.net/man/2/clock_gettime
http://www.opengroup.org/onlinepubs/009695399/functions/clock_getres.html

CLOCK_MONOTONIC is what you need.


 > [...]


Regards  Manlio Perillo