Re: [CODE] Warmboot Patch

From: Erwin S. Andreasen (erwin@ANDREASEN.COM)
Date: 07/13/98

On Mon, 13 Jul 1998, Mark A. Heilpern wrote:

> At 02:51 PM 7/13/98 -0400, you wrote:
> >But what would you do in Windows95? When a program's being run in Win95, you
> >can't overwrite it's code. I've tried, and it gives some dinky message box:
> >"Unable to overwrite. File may already be in use by Windows."
> >
> The warmboot (copyover) patch uses the un*x fork() system call;
> as far as I know, WindowsXX has no equivelent. Unless I'm wrong
> in this, there's nothing you can do under that O/S to solve this
> problem.

Actually, it writes the numbers of connected descriptors and uses exec*()
to overlay the new copy of the MUD over the current copy - the new copy
will not it has been restarted, and that it has some open desriptors that
should be reconnected to players.

It still doesn't help with Windoze however :)

Ah, the beauty and simplicity of fork() and exec*().

<>      Herlev, Denmark              UNIX System Programmer
<URL:>     <*>         (not speaking for) DDE

     | Ensure that you have read the CircleMUD Mailing List FAQ:  |
     | |

This archive was generated by hypermail 2b30 : 12/15/00 PST