Re: [MacPerl] MacOS FORK Alternative?

[Brian McNett <webmaster@mycoinfo.com>]

> Not to revive the Multi Platform Script issue, but...
>
> I was looking for information concerning this error:
>
> # The Unsupported function fork function is unimplemented.
> File 'MacOS:Desktop Folder:InFolder:overcr-1.49.07 Folder:collector.pl';
> Line 547 # (#1)

I suggest nesting calls to fork() inside a conditional test of $^0, where 
$^0 matches only those OS which support fork().  Further nest fork() 
inside eval(), so the compiler doesn't complain in MacPerl.  This gets 
rather complex, obviously.

For the MacOS, you're going to have to find ways to make do WIHOUT fork, 
which is rather tricky.

When writing cross-platform, your safest bet is to assume that you CAN'T 
fork, even under Unix.  Ditto for pipes.  You can just forget most of the 
Unix process management, since you can't fork processes to begin with, 
and there're only limited system() calls available (with MPW and 
Toolserver).

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