[fpc-pascal] Inter-process communication, a cautionary tale

[michael.vancanneyt at wisa.be]

On Wed, 18 Jul 2012, Mark Morgan Lloyd wrote:

> I was reminded of this when somebody was asking about portable signalling 
> APIs the other day, but I think it's also relevant to discussion of e.g. how 
> to pass a keyword to a help viewer.
>
> I am obviously aware of the fact that FPC has an IPC unit which uses a 
> temporary file, although I have always assumed that that was more to support 
> targets like DOS that had absolutely no concept of pipes or sockets. But 
> perhaps it really is the safest choice in all cases.

In which unit did you find this ?

The IPC unit in FPC uses a unix socket  on unix, and on windows a Windows window 
handle to copy data.

Michael.