1$NetBSD: README,v 1.7 2017/02/08 03:44:41 kamil Exp $ 2 3Due to limitations in the current pthread implementation, makecontext(3) 4and sigaltstack(2) should not be used in programs which link against 5libpthread (whether threads are used or not). This has been noted in the 6makecontext(3), sigaltstack(2), and pthread(3) man pages. 7