posix_spawn

[Jon Turney]

On 23/04/2025 20:46, Camm Maguire via Cygwin wrote:
> Greetings!  Trying to isolate this as you suggest.  On first
> attempt, copying the exact same strings and calls into a main()
> function succeeds.  I am near stumped, and can only guess that the
> addresses returned by malloc on _init of the file_actions and attr
> structures is triggering something.  Suggestions welcome.

The other alternative is to run the failing program under gdb, and step
into posix_spawnp() and see what error path it's taking out of that and/
or what's causing that code to be returned. That might shed some light 
on what's going wrong.