Johannes Sixt <j6t@xxxxxxxx> writes: > Am 10.07.25 um 06:25 schrieb Carlo Marcelo Arenas Belón: >> In d28250654f (Windows: Fix signal numbers, 2009-01-22), the value for >> SIGCHLD was changed from 0 to 17 mentioning some sort of POSIX system. >> >> the relevance comes that if I build a program in Windows that calls >> `signal(SIGCHLD)` using that number I get an error back, but nothing >> on errno, but if the number would be instead 20, like in Cygwin/macOS >> suddenly the behaviour changes and we get the expected EINVAL(20) in errno. > >> So do you have any objection on changing the value (which should be otherwise >> unused, and irrelevanted as you pointed out) to 20 then? > > I do not object to change the number. Nevertheless, I would like to > understand why it makes a difference. Yeah, whoever writes the commit that changes the value needs to explain why the change matters, and where the differences come from in the proposed log message. Thanks, all.