Nils Durner writes: > > pthread_attr_getstack() exists, but pthread_getattr_np() doesn't. How about the change below (untested), to keep out of the hair of the _np bits. That getattr_np is confusing. Is the right way to create an attr object with pthread_attr_init, use it for pthread_create, then use it again later with pthread_attr_getstack if you want to ask something? If that could be passed down through the levels of guile inits it'd get rid of a "non-portable" call.