On Tue, Aug 30, 2022 at 8:17 AM Thomas Munro <thomas.mu...@gmail.com> wrote: > FWIW I suspect FreeBSD can't break like this in a program linked with > libthr, because it has a scheme for deferring signals while the > runtime linker holds locks. _rtld_bind calls _thr_rtld_rlock_acquire, > which uses the THR_CRITICAL_ENTER mechanism to cause thr_sighandler to > defer until release. For a non-thread program, I'm not entirely sure, > but I don't think the fork() problem exists there. (Could be wrong, > based on a quick look.)
Well that seems a bit ironic, considering that Tom has worried in the past that linking with threading libraries would break stuff. -- Robert Haas EDB: http://www.enterprisedb.com
