Groups > comp.lang.java.programmer > #7821

Re: Java thread

Date	2011-09-11 16:56 -0400
From	Arne Vajhøj <arne@vajhoej.dk>
Newsgroups	comp.lang.java.programmer
Subject	Re: Java thread
References	<128ea2e0-7a2e-4c86-9507-8e15a0b892b9@p25g2000pri.googlegroups.com> <0d62ad20-0081-4bf2-9c5d-ee4600423150@f24g2000prb.googlegroups.com>
Message-ID	<4e6d208f$0$308$14726298@news.sunsite.dk> (permalink)
Organization	SunSITE.dk - Supporting Open source

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On 9/11/2011 1:48 AM, Jack wrote:
> On Sep 10, 9:03 pm, Jack<junw2...@gmail.com>  wrote:
>> For Java thread, how to ensure that wait() does not miss notify()?
>> Otherwise the thread will hang and can not shut down.
>>
>> Thanks. Jack
>
> For example in the following code:
>
> while(true)
> {
>      doSomeThing(); //Do some operation once a day
>      wait(24 * 3600); //sleep for one day. LINE1
> }
>
> The thread blocks at LINE1 for one day. When the program shuts down,
> if the notify() is missing, then the program will hang.

Looks like an excellent chance to avoid wait and use
Thread.sleep !

Arne

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Java thread Jack <junw2000@gmail.com> - 2011-09-10 21:03 -0700
  Re: Java thread markspace <-@.> - 2011-09-10 21:34 -0700
  Re: Java thread Patricia Shanahan <pats@acm.org> - 2011-09-10 22:42 -0700
  Re: Java thread Jack <junw2000@gmail.com> - 2011-09-10 22:48 -0700
    Re: Java thread Owen Jacobson <angrybaldguy@gmail.com> - 2011-09-11 03:07 -0400
    Re: Java thread Lew <lewbloch@gmail.com> - 2011-09-11 09:37 -0700
    Re: Java thread Arne Vajhøj <arne@vajhoej.dk> - 2011-09-11 16:56 -0400
  Re: Java thread Arne Vajhøj <arne@vajhoej.dk> - 2011-09-11 09:34 -0400
  Re: Java thread Roedy Green <see_website@mindprod.com.invalid> - 2011-09-11 08:32 -0700

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