| From: | Patrick Roberts |
| Date: | 9 Aug 2000 at 03:28:30 |
| Subject: | Re: AMIOPEN: ave_open() |
Tim-
I would be interested to know which Unixes don't support this- My Unix
experience is pretty limited : mainly IRIX and some Linux.
Thanks :)
Pat
Tim Corringham wrote:
>
> Hi Patrick
>
> > Just to add to your description of what fork() does, and one of the main
> > reasons I use fork() is that the child and parent process share memory until
> > one does a write, then only the page that the process writes to is copied and
> > tracked. This is great for anything wanting to take advantage of multi-proc
> > set-ups as the performance increase is much faster than using threads. At
> > least this is how it works in Linux and IRIX.
>
> I didn't describe this, as it is dependent upon the paging system used, and
> hence not all Unix systems work this way (although AFAIK most modern versions
> do).
>
> Tim
>
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