writing to closed stdout (II): exit status

[Kagamin]

On Sunday, 15 December 2024 at 19:41:00 UTC, kdevel wrote:
> On Sunday, 15 December 2024 at 17:16:11 UTC, Paul Backus wrote:
>> It's possible to get the full exit status from `waitid` [3],
>
> Actually not on my linux machine:

Try ssi_status from signalfd.