[fpc-devel] Threading support and C library under Linux/Unix

[Marco van de Voort]

In our previous episode, Henry Vermaak said:
> > The problem is not the programming (since a dedicated person could probably
> > start with a translated glibc in a good month), but the continuous
> > maintenance (for every distribution separately, since they could use
> > different kernels, options etc) , and interoperability with C code would be
> > killing.
> 
> What maintenance are you referring to? 

> The syscall interface is very stable, so you wouldn't have to touch
> anything there.  I haven't looked at the nptl source, yet, what do they
> use that changes between distros?

The syscall interface now only uses a subset of relatively the oldest
functions.  It doesn't use whatever libpthreads uses to interface with the
kernel. (and which got reworked afaik with every major kernel version, and
sometimes inbeween)