callAndWait( ) implementation issues?

[Mark Taylor]

On Mon, 12 May 2008, Mark Taylor wrote:

> My sketchy research suggests that it ought not to be too much of
> a stretch to implement this functionality using SysV style IPC,
> if available (i.e. if Perl shmget() is implemented), via a module like 
> IPC::Shareable or IPC::ShareLite.  These modules work on the Perl which comes 
> with my Linux machine without having to recompile it or anything.  Linux and 
> Mac have SysV IPC.  It looks to me like
> MS Windows is sufficiently POSIXy to have it too, but I haven't tested this.

actually - having tested it, it appears that MS Windows lacks SysV IPC
(at least, ActivePerl 5.8.8.822 on Windows XP does), so a Perl hub
implementation which wanted to be able to run on Windows would need
to use some other, perhaps more fiddly, way of doing the IPC.
It's surely possible though.

-- 
Mark Taylor   Astronomical Programmer   Physics, Bristol University, UK
m.b.taylor at bris.ac.uk +44-117-928-8776 http://www.star.bris.ac.uk/~mbt/