help with pthread_t deprecation / api changes

[Thomas Monjalon]

09/12/2022 17:48, Stephen Hemminger:
> On Fri, 09 Dec 2022 08:53:57 +0100
> Thomas Monjalon <thomas at monjalon.net> wrote:
> 
> > > > If some execution environment doesn't support thread names, it could return a string that makes it possible for a human to identify the thread, e.g. the tread id. Again, this is assuming that it is only used for debugging, trace, and similar.  
> > > 
> > > i think this raises a good question. is the purpose of setting a thread name
> > > meant to be something we can use from the application or is it something that
> > > is for debugging diagnostics and may be a best effort?  
> > 
> > I think yes it is only for debugging.
> > So best effort looks to be a good approach.
> > I'm not sure you need to replace the functions.
> > Can you just complete the implementations?
> 
> 
> Surprisingly, thread names are not preserved in core dumps.
> The core dump standard used by Linux does not put thread name in the image.
> Since this is a ELF ABI unlikely to be ever be added.

What is missing exactly to have thread name in the core dump?