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newLISP Fan Club

Forum => newLISP and the O.S. => Topic started by: pber on February 24, 2015, 07:32:55 PM

Title: win32 - threads?
Post by: pber on February 24, 2015, 07:32:55 PM
Hi all,

fork and spawn (if I'm not wrong) do not work on windows.

Does exist another way to multiprocessing in newLisp



thanks
Title: Re: win32 - threads?
Post by: Lutz on February 25, 2015, 06:33:19 AM
Use process:



http://www.newlisp.org/downloads/newlisp_manual.html#process



For other related functions (e.g. process communications) see here:



http://www.newlisp.org/downloads/newlisp_manual.html#processes



newLISP has a very small memory footprint and fast startup time. So don't be afraid to invoke many processes in your application.
Title: Re: win32 - threads?
Post by: pber on February 25, 2015, 11:21:31 AM
Hi,

so you suggest:

run one or more instances of the whole interpreter

and pipe (possibly netsend) them in and out.

...it was simple!



Many thanks Lutz

and congrats for your great work: NewLisp



paolo
Title: Re: win32 - threads?
Post by: Lutz on February 25, 2015, 01:38:19 PM
yes, exactly.



You also could use process to setup net-eval servers on Windows. net-eval encapsulates all net-send, net-receive programming necessary:


Code Select

newLISP v.10.6.2 32-bit on Win32 IPv4/6 libffi, options: newlisp -h

> (process "newlisp -c -d 5555")
872
> (net-eval "localhost" 5555 '(define (double x) (+ x x)))
(lambda (x) (+ x x))
> (net-eval "localhost" 5555 '(double 1234))
2468
> double
nil
>


the last statement proves that double is defined in the child process, not the current process.



Ps: note, that when doing the same on Unix, you would have to give the full pathname for newlisp, e.g: /usr/bin/newlisp. On Windows it's enough for newlisp.exe to be in the executable path.
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