> Hi, Hi,
> I could not find this specification in the POSIX standard, but [2] > says: > > POSIX.1-2001 specifies that if the disposition of SIGCHLD > is set to SIG_IGN or the SA_NOCLDWAIT flag is set for SIGCHLD > (see sigaction(2)), then children that terminate do not > become zombies and a call to wait() or waitpid() will block > until all children have terminated, and then fail with errno > set to ECHILD. Maybe that's https://pubs.opengroup.org/onlinepubs/9699919799/functions/_Exit.html#tag_16_01_03_01
