Date: Tue, 6 Oct 2015 17:35:39 +0000 From: Brooks Davis <brooks@freebsd.org> To: Frank Leonhardt <freebsd-doc@fjl.co.uk> Cc: freebsd-doc@freebsd.org Subject: Re: System calls documentation - where's it at? Message-ID: <20151006173539.GA47761@spindle.one-eyed-alien.net> In-Reply-To: <5613D94D.5060408@fjl.co.uk>
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[-- Attachment #1 --] On Tue, Oct 06, 2015 at 03:23:09PM +0100, Frank Leonhardt wrote: > Sorry for the cross-post but this has remained unanswered in > FreeBSD-Questions for a week now: > > ============= > > It's probably obvious, but not quite obvious enough for me right now... > > Where's there a list of FreeBSD kernel (system) calls? > > I can't believe I've never needed one before - I guess I've just used > UNIX calls (remembered from the 1980s) or got lucky with the manual. > > There's obviously man 2, but you really need to know the name of what > you're looking for (or guess from the file names). I could also scan > through the 'C' header files. > > The Developer's Manual mentions HOW to call a system call (and told me > something shocking about Linux I hadn't realised). But nowhere can I > find a list - preferably sorted in to sections with a summary, function > number, symbolic name, and list of parameters. I'm looking for something > a bit more informative than sys/syscall.h! > > I bet someone's going to refer me to a man page with a name everyone > else knows but I couldn't guess. Counting down.... No detailed list exists to my knowledge. The source of truth is sys/kern/syscalls.master. Most things have manpages, but not everything (IMO it is a bug in all cases where there is no result from "man 2 <syscallname>"). It wouldn't be crazy to use a system like we do for src.conf.5 to generate a summary page. Sorting them into groups might be hard and would require some extra metadata. -- Brooks [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAEBAgAGBQJWFAZqAAoJEKzQXbSebgfACsgH/2EKov+CvbLVqij3hksQ10QI NwoLuh7DZiE9pRXsLuQDkg4+TQN2gX63o5JHWPrktPo1yPfDnOdsxE6hjpaK2WPu 0AIAlU6xjoto9otI4a09MuSc2HY3TTTZMnqtFlFAO3Njqhi8LPiLWwThPEHyhbyW GJdhqnx+rtq58X1Sb9VPOnorJt0ZbYXXdeOcs1BfrFbOCwx62xo71vdkjsg33f14 RddGvYGNp25bG952mxLCBGZozAiTg19LUEJSPwhBu6sPDuu3Y6BEot1HoVbJ1BT6 B5WuNJ59ZvUjzCEhRY/i+bseUNHQdkMpkvoXx7GpFp8+MkOMKWtwKm6LrOCkJtI= =N+qE -----END PGP SIGNATURE-----help
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