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Re: compile C programs for both sunstudio and Visual studio

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Keith Thompson <kst-u@mib.org> writes:
> Phil Carmody <thefatphil_demunged@yahoo.co.uk> writes:
> > Keith Thompson <kst-u@mib.org> writes:
> >> Ian Collins <ian-news@hotmail.com> writes:
> >> > On 07/19/11 11:41 AM, Nobody wrote:
> >> >> On Mon, 18 Jul 2011 15:34:03 +0200, Heinrich Wolf wrote:
> >> >>> clear() is defined on Unix in curses.h
> >> >>
> >> >> If you just need to clear the screen, linking against curses is overkill.
> >> >> system("clear") is the way to go here (and the usual warnings about
> >> >> system() don't really apply here).
> >> >
> >> > Why is using a library function "overkill" compared to spawning a new 
> >> > process just to clear the screen?
> >> 
> >> Perhaps because curses tends to be used by programs that need
> >> complete control over the screen, including keeping track of what
> >> character appears at every position, whereas clearing the screen
> >> is a much simpler operation.
> >> 
> >> The time it takes to spawn a process isn't likely to be significant.
> >
> > What if the spawning of the process will cause cgroups to notify 
> > a user-space agent which will then potentially do re-jigging of
> > other processes properties? You're context switching all over the
> > place unnecessarily.
> 
> Yes, and?  Does this cause measurable harm?

Yeah. Can you see our Maemo bugzilla - if so, look at the bugs 
assigned to me currently....

Phil
-- 
"At least you know where you are with Microsoft."
"True. I just wish I'd brought a paddle." -- Matthew Vernon

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compile C programs for both sunstudio and Visual studio happytoday <ehabaziz2001@gmail.com> - 2011-07-17 22:49 -0500
  Re: compile C programs for both sunstudio and Visual studio Ben Bacarisse <ben.usenet@bsb.me.uk> - 2011-07-18 12:34 +0100
    Re: compile C programs for both sunstudio and Visual studio "Heinrich Wolf" <invalid@invalid.invalid> - 2011-07-18 15:34 +0200
      Re: compile C programs for both sunstudio and Visual studio Ben Bacarisse <ben.usenet@bsb.me.uk> - 2011-07-18 14:53 +0100
        Re: compile C programs for both sunstudio and Visual studio Virchanza <virtual@lavabit.com> - 2011-07-18 07:31 -0700
          Re: compile C programs for both sunstudio and Visual studio Ben Bacarisse <ben.usenet@bsb.me.uk> - 2011-07-18 15:38 +0100
            Re: compile C programs for both sunstudio and Visual studio Kenneth Brody <kenbrody@spamcop.net> - 2011-07-18 14:08 -0400
              Re: compile C programs for both sunstudio and Visual studio Ben Bacarisse <ben.usenet@bsb.me.uk> - 2011-07-18 19:18 +0100
      Re: compile C programs for both sunstudio and Visual studio Nobody <nobody@nowhere.com> - 2011-07-19 00:41 +0100
        Re: compile C programs for both sunstudio and Visual studio Ian Collins <ian-news@hotmail.com> - 2011-07-19 11:47 +1200
          Re: compile C programs for both sunstudio and Visual studio Keith Thompson <kst-u@mib.org> - 2011-07-18 19:08 -0700
            Re: compile C programs for both sunstudio and Visual studio Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2011-07-22 14:58 +0300
              Re: compile C programs for both sunstudio and Visual studio Keith Thompson <kst-u@mib.org> - 2011-07-22 09:42 -0700
                Re: compile C programs for both sunstudio and Visual studio Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2011-07-22 22:32 +0300
                Re: compile C programs for both sunstudio and Visual studio Keith Thompson <kst-u@mib.org> - 2011-07-22 13:16 -0700
          Re: compile C programs for both sunstudio and Visual studio Nobody <nobody@nowhere.com> - 2011-07-19 12:56 +0100
    Re: compile C programs for both sunstudio and Visual studio Kenneth Brody <kenbrody@spamcop.net> - 2011-07-18 14:06 -0400
    Re: compile C programs for both sunstudio and Visual studio Keith Thompson <kst-u@mib.org> - 2011-07-18 11:11 -0700
  Re: compile C programs for both sunstudio and Visual studio Geoff <geoff@invalid.invalid> - 2011-07-18 18:06 -0500
  Re: compile C programs for both sunstudio and Visual studio "Waldek M." <wm@localhost.localdomain> - 2011-07-18 18:07 -0500
  Re: compile C programs for both sunstudio and Visual studio BGB <cr88192@hotmail.com> - 2011-07-18 18:07 -0500
  Re: compile C programs for both sunstudio and Visual studio "io_x" <a@b.c.invalid> - 2011-07-19 17:40 -0500
    Re: compile C programs for both sunstudio and Visual studio "io_x" <a@b.c.invalid> - 2011-07-20 10:43 +0200
    Re: compile C programs for both sunstudio and Visual studio "io_x" <a@b.c.invalid> - 2011-07-30 01:48 -0500
    Re: compile C programs for both sunstudio and Visual studio Kenneth Brody <kenbrody@spamcop.net> - 2011-07-30 01:48 -0500
  Re: compile C programs for both sunstudio and Visual studio "io_x" <a@b.c.invalid> - 2011-07-19 17:40 -0500

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