Re: Book or tutorial on standard C threads

From	Bonita Montero <Bonita.Montero@gmail.com>
Newsgroups	comp.lang.c
Subject	Re: Book or tutorial on standard C threads
Date	2021-12-16 15:49 +0100
Organization	A noiseless patient Spider
Message-ID	<spfjmm$gun$1@dont-email.me> (permalink)
References	(6 earlier) <spd6hp$t5b$1@dont-email.me> <spd8gl$dq4$1@dont-email.me> <spdfc4$1l6$1@dont-email.me> <spenqd$t0c$1@dont-email.me> <spfhn3$370$1@dont-email.me>

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Am 16.12.2021 um 15:16 schrieb Bart:

> Which bit is the lambda? If I create a more compact version so that I 
> can see the whole thing more easily:

There is no way to have it more readable than with the lambdas.

> then push() just looks like an ordinary local function.

push() saves a lot of redundant code and it does make sense only locally
within that function - a perfect case for a lambda.


> What could be significantly improved are all those bitfield ops.
> Ideally you would use named bitfields within what is presumably
> a 32-bit  unsigned value, instead of all those mysterious shifts
> and masks.

I get the values from CPUID and it would make no sense to move that
to a bitfield'ed structure that because this should compile with
three compilers (MSVC, clang, g++) and they behave not absolutely
the same with bitfields.

> Those 0xFFF masks mixed with 16-bit shifts look suspicious until you 
> realise these are 12+4-bit fields in each half of a 32-bit value.

What I do is correct, look at the corresponding CPUID-documentation.

> Here even a simple GETBITS macro would improve both readability and 
> confidence that the code is correct.
> 

Macros are a no-go since they're global and often not debuggable
(depending on the IDE).

> So, it looks like your emphasis is different aspects: those elusive 
> lambdas (which doesn't help readability at all, unless it would be even 
> worse without them), rather than doing something about basic readability.

Of course the lambdas make the code more readable because they save
a huge amount of redundant code.

Thread

Book or tutorial on standard C threads Mehdi Amini <atorrses@gmail.com> - 2021-12-11 10:06 +0330
  Re: Book or tutorial on standard C threads Bonita Montero <Bonita.Montero@gmail.com> - 2021-12-11 08:29 +0100
    Re: Book or tutorial on standard C threads gazelle@shell.xmission.com (Kenny McCormack) - 2021-12-13 08:12 +0000
      Re: Book or tutorial on standard C threads Bonita Montero <Bonita.Montero@gmail.com> - 2021-12-14 17:41 +0100
  Re: Book or tutorial on standard C threads Thiago Adams <thiago.adams@gmail.com> - 2021-12-13 09:16 -0800
    Re: Book or tutorial on standard C threads Bonita Montero <Bonita.Montero@gmail.com> - 2021-12-14 17:47 +0100
      Re: Book or tutorial on standard C threads scott@slp53.sl.home (Scott Lurndal) - 2021-12-14 17:13 +0000
        Re: Book or tutorial on standard C threads Bonita Montero <Bonita.Montero@gmail.com> - 2021-12-14 18:43 +0100
          Re: Book or tutorial on standard C threads Guillaume <message@bottle.org> - 2021-12-14 19:23 +0100
            Re: Book or tutorial on standard C threads Bonita Montero <Bonita.Montero@gmail.com> - 2021-12-14 20:16 +0100
          Re: Book or tutorial on standard C threads Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2021-12-15 04:02 -0800
            Re: Book or tutorial on standard C threads Bonita Montero <Bonita.Montero@gmail.com> - 2021-12-15 17:53 +0100
              Re: Book or tutorial on standard C threads Bart <bc@freeuk.com> - 2021-12-15 17:26 +0000
                Re: Book or tutorial on standard C threads Bonita Montero <Bonita.Montero@gmail.com> - 2021-12-15 18:30 +0100
                Re: Book or tutorial on standard C threads scott@slp53.sl.home (Scott Lurndal) - 2021-12-15 17:49 +0000
                Re: Book or tutorial on standard C threads Bonita Montero <Bonita.Montero@gmail.com> - 2021-12-15 19:19 +0100
                Re: Book or tutorial on standard C threads "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2021-12-15 17:44 -0800
                Re: Book or tutorial on standard C threads Bonita Montero <Bonita.Montero@gmail.com> - 2021-12-15 20:23 +0100
                Re: Book or tutorial on standard C threads Bonita Montero <Bonita.Montero@gmail.com> - 2021-12-16 07:54 +0100
                Re: Book or tutorial on standard C threads Bart <bc@freeuk.com> - 2021-12-16 14:16 +0000
                Re: Book or tutorial on standard C threads Bonita Montero <Bonita.Montero@gmail.com> - 2021-12-16 15:49 +0100
                Re: Book or tutorial on standard C threads Bart <bc@freeuk.com> - 2021-12-16 15:57 +0000
                Re: Book or tutorial on standard C threads Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-12-16 17:03 +0000
                Re: Book or tutorial on standard C threads Bonita Montero <Bonita.Montero@gmail.com> - 2021-12-16 20:08 +0100
                Re: Book or tutorial on standard C threads Bart <bc@freeuk.com> - 2021-12-16 20:48 +0000
                Re: Book or tutorial on standard C threads Bonita Montero <Bonita.Montero@gmail.com> - 2021-12-17 07:19 +0100
                Re: Book or tutorial on standard C threads David Brown <david.brown@hesbynett.no> - 2021-12-16 17:24 +0100
                Re: Book or tutorial on standard C threads Bart <bc@freeuk.com> - 2021-12-16 18:00 +0000
                Re: Book or tutorial on standard C threads Bonita Montero <Bonita.Montero@gmail.com> - 2021-12-16 20:06 +0100
                Re: Book or tutorial on standard C threads David Brown <david.brown@hesbynett.no> - 2021-12-16 20:14 +0100
                Re: Book or tutorial on standard C threads Öö Tiib <ootiib@hot.ee> - 2021-12-17 09:30 -0800
                Re: Book or tutorial on standard C threads Bonita Montero <Bonita.Montero@gmail.com> - 2021-12-17 19:06 +0100
                Re: Book or tutorial on standard C threads Öö Tiib <ootiib@hot.ee> - 2021-12-18 03:07 -0800
                Re: Book or tutorial on standard C threads David Brown <david.brown@hesbynett.no> - 2021-12-18 18:33 +0100
                Re: Book or tutorial on standard C threads Bart <bc@freeuk.com> - 2021-12-17 18:19 +0000
                Re: Book or tutorial on standard C threads David Brown <david.brown@hesbynett.no> - 2021-12-18 18:45 +0100
                Re: Book or tutorial on standard C threads Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-12-16 21:45 +0000
                Re: Book or tutorial on standard C threads Bart <bc@freeuk.com> - 2021-12-16 23:02 +0000
                Re: Book or tutorial on standard C threads Bonita Montero <Bonita.Montero@gmail.com> - 2021-12-18 13:45 +0100
                Re: Book or tutorial on standard C threads Öö Tiib <ootiib@hot.ee> - 2021-12-18 06:02 -0800
                Re: Book or tutorial on standard C threads Bonita Montero <Bonita.Montero@gmail.com> - 2021-12-18 15:31 +0100
                Re: Book or tutorial on standard C threads Öö Tiib <ootiib@hot.ee> - 2021-12-18 07:12 -0800
                Re: Book or tutorial on standard C threads Bonita Montero <Bonita.Montero@gmail.com> - 2021-12-18 16:45 +0100
                Re: Book or tutorial on standard C threads Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-12-18 23:38 +0000
                Re: Book or tutorial on standard C threads Öö Tiib <ootiib@hot.ee> - 2021-12-19 10:40 -0800
                Re: Book or tutorial on standard C threads Bart <bc@freeuk.com> - 2021-12-19 19:07 +0000
                Re: Book or tutorial on standard C threads Bonita Montero <Bonita.Montero@gmail.com> - 2021-12-19 20:17 +0100
                Re: Book or tutorial on standard C threads Öö Tiib <ootiib@hot.ee> - 2021-12-19 12:41 -0800
                Re: Book or tutorial on standard C threads Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2021-12-20 03:21 -0800
                Re: Book or tutorial on standard C threads Öö Tiib <ootiib@hot.ee> - 2021-12-20 09:39 -0800
                Re: Book or tutorial on standard C threads scott@slp53.sl.home (Scott Lurndal) - 2021-12-16 18:32 +0000
                Re: Book or tutorial on standard C threads David Brown <david.brown@hesbynett.no> - 2021-12-16 20:27 +0100
                Re: Book or tutorial on standard C threads Bonita Montero <Bonita.Montero@gmail.com> - 2021-12-16 20:33 +0100
                Re: Book or tutorial on standard C threads Bart <bc@freeuk.com> - 2021-12-17 10:59 +0000
                Re: Book or tutorial on standard C threads Bonita Montero <Bonita.Montero@gmail.com> - 2021-12-17 13:08 +0100
                Re: Book or tutorial on standard C threads scott@slp53.sl.home (Scott Lurndal) - 2021-12-17 16:25 +0000
                Re: Book or tutorial on standard C threads Bonita Montero <Bonita.Montero@gmail.com> - 2021-12-17 17:38 +0100
  Re: Book or tutorial on standard C threads "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2021-12-16 16:03 -0800
    Re: Book or tutorial on standard C threads Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-12-17 00:12 +0000
      Re: Book or tutorial on standard C threads "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2021-12-16 17:05 -0800
        Re: Book or tutorial on standard C threads "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2021-12-16 17:07 -0800
  Re: Book or tutorial on standard C threads "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2021-12-19 17:23 -0800
    Re: Book or tutorial on standard C threads Bonita Montero <Bonita.Montero@gmail.com> - 2021-12-20 07:35 +0100

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