Date: Wed, 22 Oct 2014 16:07:58 -0700 From: Jordan Hubbard <jkh@turbofuzz.com> To: Jonathan de Boyne Pollard <J.deBoynePollard-newsgroups@NTLWorld.com> Cc: "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org> Subject: Re: nosh version 1.9 Message-ID: <6C9A0CEC-2169-48BB-8B80-EB3C37EE170E@turbofuzz.com> In-Reply-To: <54482A5E.2050303@NTLWorld.com> References: <54430B41.3010301@NTLWorld.com> <5443191E.5050208@mu.org> <CAJ-VmomhxAkmVpAv5M%2Bh2HiEGnzHuXoZRh=E3LEvcRqbkoJ-5Q@mail.gmail.com> <34F30D28-DE9B-444F-885E-F438FEEA46EC@mu.org> <CAKYr3zwFyOh0VuQew5XtzKCNe0sDe2qc_5Jg3g9hT8pE7SyhJA@mail.gmail.com> <54482A5E.2050303@NTLWorld.com>
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> On Oct 22, 2014, at 3:06 PM, Jonathan de Boyne Pollard = <J.deBoynePollard-newsgroups@NTLWorld.com = <mailto:J.deBoynePollard-newsgroups@NTLWorld.com>> wrote: >=20 > There have been, to my knowledge, three attempts (in 2005, 2008, and = 2013) to give launchd to the general BSD world that have involved more = than just talk. All have foundered. The discomforting truth is that we = aren't going to get launchd for doing service and system management for = the very same reasons that we aren't going to get systemd for doing = service and system management. systemd is full of Linuxisms. launchd = is full of Machisms. It's simply not a BSD program. It's a Mach = program. (The fact that the initial process program isn't portable is = obvious in hindsight. I kicked myself. I've written several initial = process programs before. They aren't, and cannot be, limited to = non-operating-system-specific stuff.) One attempt to port launchd = involved stubbing out the Machisms. There has been a recent attempt to = port systemd to FreeBSD that is in the same boat: stub out or remove all = of the operating system specific parts, and one can get a program that = will compile (with a lot of compiler warnings); but it doesn't function. >=20 > The launchd train is never coming. =20 I aim to disprove that assertion sometime in the next 12 months. I=E2=80=99ll also point out that it would have taken less time to port = NetBSD=E2=80=99s COMPAT_MACH code than it=E2=80=99s probably taken to = beat one=E2=80=99s head against mach ports in launchd. They would = certainly not be the first Mach code FreeBSD has ever seen (take a look = at the VM system sometime!). - Jordan
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