[fpc-devel] Tprocess using pipes, handle = 0

[Marco van de Voort]

In our previous episode, Martin Frb said:
> 
> Are there any values that are known to be ont a handle?
> 
> On windows codetools find InvalidHandleValue = -1
> But on Linux I found nothing like this.
> 
> Given that fpselect is documented to have a bit-array of 256 bits, I 
> would guess only 0 to 255 are valid? Though of course that may change...

Where? If I look up in the help I only find
http://www.freepascal.org/docs-html/rtl/baseunix/tfdset.html

1024 seems to be a standard value for maxfd.