From: Maggie Xiao <mxiao@...>
Date: 2002-09-08T15:54:23+09:00
Subject: RE: a problem of waitting and printting out message

> You are right, but now I try to work this program under linux.
===== Original Message From "Hal E. Fulton" <hal9000@hypermetrics.com> =====
>----- Original Message -----
>From: "Reimer Behrends" <behrends@cse.msu.edu>
>Newsgroups: comp.lang.ruby
>To: "ruby-talk ML" <ruby-talk@ruby-lang.org>
>Sent: Sunday, September 08, 2002 1:32 AM
>Subject: Re: a problem of waitting and printting out message
>
>
>> Maggie Xiao (mxiao@ee.ualberta.ca) wrote:
>> [...]
>> >  I should construct a program which should wait for the specified time
>> >  and then print out the specified message. Meanwhile control of the
>> >  shell should be returned to the user. ie. The program must be
>> >  non-blocking. is there any way to construct it in pure ruby way? Or
>> >  my only way is to using extending ruby with c?
>>
>> Is the following what you are looking for?
>>
>> if fork then
>>   # parent process
>>   exit!
>> else
>>   # child process
>>   sleep 10
>>   puts "Now!"
>> end
>
>I think Maggie is a Windows user (unless my
>memory is wrong). And this solution won't
>work on Windows.
>
>Since leaving the Cygwin DLL behind, we have
>lost fork() and popen3 and gained a thread-
>related bug that cripples many apps.
>
>Probably one of those situations where you
>have to take two steps back in order to
>take three steps forward.
>
>Hal