On Nov 18, 2006, at 3:26 PM, Joe Huber wrote:
But the Q is, if I call a function outside the thread ( like the
well known "CopyFileandFolder" that works recursive ) .. then it
is not threaded?
Just to be clear, anything you call from a thread will be run in
that thread, so yes it is threaded.
However that code may not necessarily yield to other threads as
other as you'd like. There may be little you can do about it unless
that code it written in either RB or as an RB plugin and you can
add code to Yield more often.
Other thoughts:
Write a slave app that is controlled by your main app, that is
launched from the shell, communicates with your main app via a
socket, and does all the file work. This will even take advantage of
multiprocessing. (This is a point where we could reflect how nice it
would be if we could build a console app or a gui app from the same
code by changing a compiler option).
Do your file work via shell commands.
Do your work in pieces (copy a bit of the file at a time, by reading
from the source and writing to the destination), explicitly yielding
time in between (obviously, convert to the moral equivalent for
whatever mysterious thing it is that you're actually doing).
Regards,
Guyren G Howe
Relevant Logic LLC
guyren-at-relevantlogic.com ~ http://relevantlogic.com
REALbasic, PHP, Python programming
PostgreSQL, MySQL database design and consulting
Technical writing and training
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