[fpc-pascal] Very vague gettickcount64 description?

Tomas Hajny XHajT03 at hajny.biz
Fri Sep 6 16:56:05 CEST 2019

On 2019-09-06 16:15, DougC wrote:
> If intentionally vague then that fact should be included in the
> description along with the reason!

That's a fair comment. I suggest that you raise it in a bug report.


> ---- On Fri, 06 Sep 2019 10:06:24 -0400 Tomas Hajny
> <XHajT03 at hajny.biz> wrote ----
> On 2019-09-03 15:27, Paulo Costa wrote:
>> While consulting the online reference about gettickcount
>> https://www.freepascal.org/docs-html/rtl/sysutils/gettickcount64.html
>> I could not know anything about the units involved.
>> It says "It is useful for time measurements, but no assumtions should
>> be made as to the interval between the ticks."
>> I understand that in some cases the measure may deviate from the real
>> value but perhaps, at least the units, should be stated.
> The documentation is vague on purpose - due to the variety of platforms
> supported by FPC and the low-level nature of GetTickCount, we do not
> want to guarantee specific units (GetTickCount is supposed to be
> supported directly by the platform rather than having an additional RTL
> layer possibly unifying differences in platform behaviour on top of 
> it).

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