18.02.2020, 10:39, "Laurent Bercot" <ska-supervis...@skarnet.org>: > you're telling me that s6-svscan needs to understand SIGPWR in case the > kernel wants to signal a power failure, you actually have a good point, > and yes, I should implement SIGPWR support when this signal exists.
BTW: have you ever used s6 as process #1 on any other platform than Linux ? i bet you have not even tried to do so on any of the BSDs. so why are you sticking to all this "POSIX-correctness" ? adding a few lines of code to support a specific platform (linux or any other unix) looks not like a big problem to me. sticking to POSIX features in the default case is a good way to achieve portability, that's right. but avoiding platform specific advantages at all costs seems pretty strange to me. solaris, AIX and even OS X are all POSIX platforms, hence it would be interesting to see if s6 will work out of the box there (as process #1; handling SIGPWR may be a requirement here). i am sure it will since unlike systemd it is portable. those platforms cannot be "POSIX-correct" if not. hence their kernels should be made "POSIX-correct" to run the "POSIX-correct" s6 unchanged as process #1. so who has to adapt, s6 or those kernels ?
