bug#59321: ice-9's open-input-pipe is unexpectedly slow on some systems

Hi,

Andrew Whatson <[email protected]> skribis:

> Playing with the wip-posix-spawn branch, it has the same slowdown
> (actually a bit worse).  I've updated the "/proc/self/fd" fast-path
> patch for posix_spawn, please find attached.

Ooh that’s perfect, thank you.

I’ll apply it once we’ve sorted out remaining issues on the branch.

Ludo’.