Message157745
| Author |
sbt |
| Recipients |
Jimbofbx, asksol, dragonfyre13, dsvensson, gsson, jnoller, jodal, pitrou, sbt |
| Date |
2012年04月07日.18:21:33 |
| SpamBayes Score |
-1.0 |
| Marked as misclassified |
Yes |
| Message-id |
<1333822894.02.0.934048999921.issue4892@psf.upfronthosting.co.za> |
| In-reply-to |
| Content |
> But ForkingPickler could be used in multiprocessing.connection,
> couldn't it?
I suppose so.
Note that the way a connection handle is transferred between existing processes is unnecessarily inefficient on Windows. A background server thread (one per process) has to be started and the receiving process must connect back to the sending process to receive its duplicate handle.
There is a simpler way to do this on Windows. The sending process duplicates the handle, and the receiving process duplicates that second handle using DuplicateHandle() and the DUPLICATE_CLOSE_SOURCE flag. That way no server thread is necessary on Windows.
I got this to work recently for pickling references to file handles for mmaps on. (A server thread would still be necessary on Unix.) |
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