[PATCH] ntdll: Fix tick count calculation on Linux and Mac.

[Chip Davis]

November 25, 2019 2:54 AM, "Huw Davies" <huw at codeweavers.com> wrote:

> On Sun, Nov 24, 2019 at 07:39:58PM -0600, Chip Davis wrote:
> 
>> Based on a patch by Andrew Eikum.
>> 
>> Linux's CLOCK_MONOTONIC(_RAW) and macOS's mach_absolute_time all stop
>> counting when the computer goes to sleep/suspend/hibernate/etc. However,
>> Windows's GetTickCount does not stop counting. Linux's CLOCK_BOOTTIME
>> matches Windows's behavior, as does macOS's mach_continuous_time.
> 
> However, CLOCK_BOOTTIME is changed by adjtime(3) which GetTickCount()
> shouldn't be. I guess what we really want is a CLOCK_BOOTTIME_RAW...

So there's currently no clock on Linux that does exactly what we want? That's just grand...

Chip