Re: programming: fork() related question

["dreamwvr_(_at_)_dreamwvr_(_dot_)_com" <dreamwvr_(_at_)_dreamwvr_(_dot_)_com>]

On Sat, Dec 13, 2003 at 08:47:52PM +0100, Alexander Farber wrote:
> On Sat, Dec 13, 2003 at 10:03:30PM +0300, Alexander Yurchenko wrote:
> > On Sat, Dec 13, 2003 at 07:53:37PM +0100, Sacha Ligthert wrote:
> > > Is there a way to have the same values in the parent and a child of a 
> > > fork().
> > > 
> > > For example:
> > > int   a;
> > > a=0;
> > > if (!fork())
> > > { /*Child*/ } else { /*Parent*/ }
> > > 
> > > If I where to edit value "a" in the parent, how could I get the same 
> > > value of "a" in the child?
> > > 
> > Shared memory?
> > shmat(2)
> 
> Or a pipe(2)
yes that would do it. Another way to consider is..
socketpair();
I am pretty sure Steven's has a book dedicated on things IPC.

Best Regards,
dreamwvr_(_at_)_dreamwvr_(_dot_)_com

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