> 2019-12-21 Bruno Haible
>
> sched_yield: Don't depend on threadlib and yield.
This patch in particular had the effect of correcting the value of YIELD_LIB
on HP-UX. Namely, on HP-UX, librt exists but is not needed for sched_yield,
because sched_yield already exists in libc. Previously,
The general structure of the multithreading modules in gnulib is that we have
three set of modules:
pthread-*, sched_yield : POSIX API
threads, threads-h, thrd, mtx, cnd, tss: ISO C API
threadlib, thread, lock, cond, tls, yield:
gnulib API, obeys --enable-threads configure option
They
