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From: imp@bsdimp.com (Warner Losh)
Subject: [TUHS] Happy birthday, Ken Thompson!
Date: Sat, 3 Feb 2018 18:14:30 -0700	[thread overview]
Message-ID: <CANCZdfr7Tb8T1tZayxoHdGGi+YHNCq8aSCg7Tka0bxWkaTXfbA@mail.gmail.com> (raw)
In-Reply-To: <alpine.BSF.2.21.1802041124050.50080@aneurin.horsfall.org>

On Sat, Feb 3, 2018 at 5:52 PM, Dave Horsfall <dave at horsfall.org> wrote:

> On Sat, 3 Feb 2018, Andy Kosela wrote:
>
>> Linux and FreeBSD are now two monstrous trolls, bloated and extremely
>> complex and large.
>>
>
> Looking through /usr/include/***.h, I see:
>
> FreeBSD 10.4:   #define SYS_MAXSYSCALL  548
> MacOS Sierra:   #define SYS_MAXSYSCALL  522
> Debian 8.10:    I don't know where the Penguins have hidden it...


Part of the reason for the bloat is that newer syscalls replace older ones
(with the option for keeping the older one around for compat). So, open
becomes openat (since the latter is more expressive). Also, over time,
different data types grow to allow, for example, larger than 2G files,
which has a big ripple effect on lots of system calls. But looking now, a
lot are due to MAC and ACL functions (well, 30). There's 80 'at' system
calls (though some are in the ~150 obsolete list)... So it isn't as utterly
horrific as it might sound, but it's still pretty bad. (There's 400
defined, with 20 of those being for prior versions of the OS).

Warner
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  parent reply	other threads:[~2018-02-04  1:14 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-03 20:57 Dave Horsfall
2018-02-03 21:12 ` Donald ODona
2018-02-03 21:59   ` Andy Kosela
2018-02-04  0:52     ` Dave Horsfall
2018-02-04  1:07       ` Lyndon Nerenberg
     [not found]         ` <CAM4FNSvnR+ZkgMyJ-0+p7LKKAYzts-7268RgApteLoT9q=TtYA@mail.gmail.com>
     [not found]           ` <CAM4FNSu-eQkt=AeUJ=2uvEwN=BQe7qdWn6ZCQmfFjb9at6uf_w@mail.gmail.com>
2018-02-04  1:29             ` Daniel Camolês
2018-02-04  1:35               ` Lyndon Nerenberg
2018-02-04  1:14       ` Warner Losh [this message]
2018-02-04 13:59         ` Theodore Ts'o
2018-02-05 13:13     ` Tony Finch
2018-02-05 15:45       ` Bakul Shah
2018-02-05 16:19         ` Clem Cole
2018-02-05 17:41           ` Bakul Shah
2018-02-05 21:58       ` Andy Kosela
2018-02-05 22:47         ` Dave Horsfall
2018-02-05 22:52           ` Toby Thain
2018-02-05 22:54           ` Dan Cross
2018-02-06  4:58             ` Theodore Ts'o
2018-02-06  5:05               ` Gregg Levine
2018-02-03 21:35 ` Will Senn
2018-02-03 21:49   ` Arthur Krewat
2018-02-03 22:59     ` Dave Horsfall
2018-02-04  0:51       ` Steve Simon
     [not found]         ` <CAM4FNStCAj-iFfg_DxyhkZMQu3dTx_4SeSsimALb3e1ktav2KQ@mail.gmail.com>
     [not found]           ` <CAM4FNSv41x28yGYcmVLhwjh9LUNfBPNq=dpgtv5jSNuRemsY8A@mail.gmail.com>
     [not found]             ` <CAM4FNSvMXLciCPUqZqaWLz7i0OMGesSWcPvETM4+p2Gj0zMPZw@mail.gmail.com>
     [not found]               ` <CAM4FNSsNomfRc6LNzFLFeA8EvgAgL7suJ9Zy_1gbVFsU2tkDDw@mail.gmail.com>
     [not found]                 ` <CAM4FNSu-Ktx5e0UmBkw+ceJzZaM5Y-gWi1DT05jS3eTAoV=tcA@mail.gmail.com>
     [not found]                   ` <CAM4FNSvxCrOiS=Qg9ntGrDA6P-7MW4pqTis7GpzBcLtTmj5NaA@mail.gmail.com>
     [not found]                     ` <CAM4FNSsYZx3h35s1509M4La50Gc_AyGtU4SWzg9iQMziuBUDNw@mail.gmail.com>
     [not found]                       ` <CAM4FNSsYNpdohKZPUaYsyHxUvCTbJ59KgLObZcRcmdsKuRLr5Q@mail.gmail.com>
     [not found]                         ` <CAM4FNStyCWwPTYVoZ1pcEJqTn-60P-1PTZdv=+P5F38tpUiLqg@mail.gmail.com>
2018-02-04  1:51                           ` Daniel Camolês
2018-02-04 17:33                             ` Toby Thain
  -- strict thread matches above, loose matches on Subject: below --
2019-02-04 23:42 Doug McIlroy
2019-02-05  3:49 ` Larry McVoy
2019-02-04  1:09 [TUHS] Happy Birthday " Doug McIlroy
2019-02-03 20:23 [TUHS] Happy birthday, " Dave Horsfall
2019-02-03 21:39 ` Greg 'groggy' Lehey
2019-02-03 22:07   ` Dave Horsfall
2019-02-03 22:33     ` Clem Cole
2019-02-04  2:03       ` Paul Winalski
2019-02-04  3:57       ` Jason Stevens
2019-02-04  6:25         ` Peter Jeremy
2019-02-04  7:59           ` Steve Nickolas
2019-02-04 15:04             ` Dave Horsfall
2019-02-04 15:39             ` Toby Thain
2019-02-04 17:08         ` Al Kossow
2019-02-03 22:39     ` Michael Kjörling
2019-02-03 22:55     ` Steve Nickolas
2019-02-03 23:37       ` Andy Kosela
2019-02-04  0:32     ` Larry McVoy
2019-02-04  1:00       ` Steve Nickolas
2019-02-04  9:43 ` Donald ODona
2018-02-03 21:46 Norman Wilson
2017-02-03 20:00 Dave Horsfall
2017-02-04 12:38 ` Michael Kjörling
2017-02-04 12:44   ` Steve Nickolas
2017-02-04 13:15     ` Michael Kjörling
2016-02-03 17:38 Dave Horsfall

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