https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25914 --- Comment #7 from dave.anglin at bell dot net --- On 2018-05-07 4:05 PM, egallager at gcc dot gnu.org wrote: > Did this proposal ever happen? Yes: http://pubs.opengroup.org/onlinepubs/9699919799/functions/psignal.html