Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.lang.java.programmer > #10850

Re: reading the JLS (17.4.5)

Path csiph.com!x330-a1.tempe.blueboxinc.net!newsfeed.hal-mli.net!feeder3.hal-mli.net!newsfeed.hal-mli.net!feeder1.hal-mli.net!eternal-september.org!feeder.eternal-september.org!mx04.eternal-september.org!.POSTED!not-for-mail
From markspace <-@.>
Newsgroups comp.lang.java.programmer
Subject Re: reading the JLS (17.4.5)
Date Sun, 18 Dec 2011 06:57:58 -0800
Organization A noiseless patient Spider
Lines 16
Message-ID <jckv1o$v1v$1@dont-email.me> (permalink)
References <slrnjerm1c.fvg.avl@gamma.logic.tuwien.ac.at>
Mime-Version 1.0
Content-Type text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding 7bit
Injection-Date Sun, 18 Dec 2011 14:58:00 +0000 (UTC)
Injection-Info mx04.eternal-september.org; posting-host="XjIWM99mD7Ijfdu600oVPA"; logging-data="31807"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+4d9Spmaou1WfnKBBkzp/8ozDrMPIVed8="
User-Agent Mozilla/5.0 (Windows NT 6.1; WOW64; rv:8.0) Gecko/20111105 Thunderbird/8.0
In-Reply-To <slrnjerm1c.fvg.avl@gamma.logic.tuwien.ac.at>
Cancel-Lock sha1:lU9TEOve5aB4AyRBZjMHyTY9ui8=
Xref x330-a1.tempe.blueboxinc.net comp.lang.java.programmer:10850

Show key headers only | View raw


On 12/18/2011 4:10 AM, Andreas Leitgeb wrote:
> How could a "read" that happens-before a particular "write" *ever*
> see the "write"'s value?


I think you have read it correctly.  To elaborate:


 > " A set of actions A is happens-before consistent if for all
 > " reads r in A, it is not the case that either hb(r, W(r)),


Note that it says "it is NOT the case that ... hb(r, W(r))".  The write 
DOES have to happen before the read, or you won't see it.  That's what 
they're saying.

Back to comp.lang.java.programmer | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

reading the JLS (17.4.5) Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2011-12-18 12:10 +0000
  Re: reading the JLS (17.4.5) markspace <-@.> - 2011-12-18 06:57 -0800
    Re: reading the JLS (17.4.5) Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2011-12-20 17:54 +0000
      Re: reading the JLS (17.4.5) markspace <-@.> - 2011-12-20 10:50 -0800
        Re: reading the JLS (17.4.5) Patricia Shanahan <pats@acm.org> - 2011-12-20 12:12 -0800
          Re: reading the JLS (17.4.5) Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2011-12-21 08:54 +0000
            Re: reading the JLS (17.4.5) Patricia Shanahan <pats@acm.org> - 2011-12-21 10:56 -0800
              Re: reading the JLS (17.4.5) markspace <-@.> - 2011-12-21 12:02 -0800
  Re: reading the JLS (17.4.5) Patricia Shanahan <pats@acm.org> - 2011-12-18 09:21 -0800
    Re: reading the JLS (17.4.5) Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2011-12-20 18:35 +0000
      Re: reading the JLS (17.4.5) Lew <lewbloch@gmail.com> - 2011-12-20 19:08 -0800
        Re: reading the JLS (17.4.5) Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2011-12-21 08:37 +0000
          Re: reading the JLS (17.4.5) Patricia Shanahan <pats@acm.org> - 2011-12-21 10:46 -0800
          Re: reading the JLS (17.4.5) markspace <-@.> - 2011-12-21 12:09 -0800

csiph-web