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Groups > comp.lang.c > #57873

Re: forking madness

From Lőrinczy Zsigmond <nospam@for.me>
Newsgroups comp.lang.c
Subject Re: forking madness
Date 2015-03-04 06:53 +0100
Organization Aioe.org NNTP Server
Message-ID <md66k6$5fo$1@speranza.aioe.org> (permalink)
References <md2sfm$f67$1@reader1.panix.com> <md4oer$o8u$1@speranza.aioe.org> <878ufe562o.fsf@kst-u.example.com> <md4t6e$4rv$1@speranza.aioe.org> <54F60417.6010805@verizon.net>

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On 2015.03.03. 19:57, James Kuyper wrote:
 > The C standard allows three buffering modes: none, line buffered, and
 > fully buffered (7.21.3p3). You mention four possibilities, and I'm not
 > sure what the last two correspond with.

 > "the ... standard output stream [is] fully buffered if and only if the
 > stream can be determined not to refer to an interactive device." 
(7.21.3p7).
 > Therefore it must be either "unbuffered" or "line buffered". Thus,
 > whatever you meant by the other two options you listed is allowed (if at
 > all) only if standard output can be determined to not refer to an
 > interactive device.

That's very interesting and useful, too. Let's also mention function
setvbuf(3) that lets you configure buffering.

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Thread

forking madness Ruben Safir <mrbrklyn@panix.com> - 2015-03-02 23:41 +0000
  Re: forking madness Keith Thompson <kst-u@mib.org> - 2015-03-02 16:05 -0800
    Re: forking madness fir <profesor.fir@gmail.com> - 2015-03-03 01:20 -0800
      Re: forking madness Noob <root@127.0.0.1> - 2015-03-03 15:50 +0100
        Re: forking madness fir <profesor.fir@gmail.com> - 2015-03-03 07:57 -0800
      Re: forking madness Nobody <nobody@nowhere.invalid> - 2015-03-07 07:07 +0000
        Re: forking madness fir <profesor.fir@gmail.com> - 2015-03-07 05:05 -0800
  Re: forking madness Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2015-03-02 19:25 -0500
    Re: forking madness Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2015-03-02 19:32 -0500
    Re: forking madness ruben <nowhere@nowhere.nor> - 2015-03-03 14:56 +0000
      Re: forking madness Keith Thompson <kst-u@mib.org> - 2015-03-03 07:54 -0800
    Re: forking madness asetofsymbols@gmail.com - 2015-03-05 00:03 -0800
      Re: forking madness asetofsymbols@gmail.com - 2015-03-05 00:21 -0800
        Re: forking madness asetofsymbols@gmail.com - 2015-03-05 00:44 -0800
  Re: forking madness Lőrinczy Zsigmond <nospam@for.me> - 2015-03-03 17:45 +0100
    Re: forking madness Keith Thompson <kst-u@mib.org> - 2015-03-03 09:44 -0800
      Re: forking madness Lőrinczy Zsigmond <nospam@for.me> - 2015-03-03 19:06 +0100
        Re: forking madness James Kuyper <jameskuyper@verizon.net> - 2015-03-03 13:57 -0500
          Re: forking madness Lőrinczy Zsigmond <nospam@for.me> - 2015-03-04 06:53 +0100
            Re: forking madness Chad <cdalten@gmail.com> - 2015-03-05 14:09 -0800

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