[PATCH] posix: Fix relative CLOCK_REALTIME sleep

[Sebastian Huber]

On 01/08/2022 10:16, Chris Johns wrote:
> On 1/8/2022 5:22 pm, Sebastian Huber wrote:
>> A relative CLOCK_REALTIME time out shall not be affected by CLOCK_REALTIME
>> changes through clock_settime().  Since our CLOCK_REALTIME is basically just
>> CLOCK_MONOTONIC plus an offset, we can simply use the CLOCK_MONOTONIC watchdog
>> for relative CLOCK_REALTIME time outs.
> Thank for this. I can confirm it works with the modified test code I attached to
> the ticket. I am ts-validation-no-clock-0.exe now failing on xilinx_zynq_a9_qemu
> but I am not sure?

I have to adjust the ts-validation-no-clock-0.exe if we want to fix the 
issue like this.

> 
> There is one issue my test changes have exposed and that is the ticks a thread
> sleeps for is 1 more than the requested number.

I think this is the expected behaviour. You should sleep at least the 
requested amount of time.

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