On Wed, Apr 15, 2015 at 10:00:31AM +0200, Nicolas George wrote: > (As a side note, setting SIGCHLD to SIG_IGN would have the same effect.) I looked it up, we probably don't use that is it is an almost-recent addition to POSIX. 2.4 Linux kernels and FreeBSD before 5 were explicitly mentioned as not supporting it.