Re: __atomic_test_and_set() and mips o32 - help wanted

["Maciej W. Rozycki" <macro%orcam.me.uk@localhost>]

On Fri, 21 Nov 2025, Jason Thorpe wrote:

> > Well, why not; go for it if you have the resources, it seems to me like 
> > an interesting project!
> 
> NetBSD already implements this in libc for the atomic(3) functions, and 
> the pthread library also uses it for mutex operations on non-MP systems.  
> That’s sort of my point, it’s a thing that already exists in the system 
> that’s been in use for years now.

 Hmm, so where does the original issue reported with this thread come 
from?  It seems like something that should have been long sorted.

> Here’s Greg McGarry’s paper on the NetBSD implementation from 2003:
> 
>     https://www.usenix.org/legacy/publications/library/proceedings/usenix03/tech/freenix03/full_papers/mcgarry/mcgarry.pdf

 Thank you for this reference and all the insights.  It has been an 
interesting discussion for me.

  Maciej