Issue 8756: Multiprocessing and UUID bug on Mac OSX (original) (raw)

import multiprocessing import uuid

def test(): print str(uuid.uuid4())

p = multiprocessing.Pool(processes=4) for x in xrange(0, 4): p.apply_async(test)

In MacOS:

Gavin-M-Roys-Office-iMac:kvpbench gmr$ python Python 2.6.1 (r261:67515, Feb 11 2010, 00:51:29) [GCC 4.2.1 (Apple Inc. build 5646)] on darwin Type "help", "copyright", "credits" or "license" for more information.

import multiprocessing import uuid

def test(): ... print str(uuid.uuid4()) ... p = multiprocessing.Pool(processes=4) for x in xrange(0, 4): ... p.apply_async(test) ... <multiprocessing.pool.ApplyResult object at 0x10056bb90> <multiprocessing.pool.ApplyResult object at 0x10064e690> <multiprocessing.pool.ApplyResult object at 0x10064e750> <multiprocessing.pool.ApplyResult object at 0x10064e710> 62c76035-e340-41c4-86b4-908660b73bb7 62c76035-e340-41c4-86b4-908660b73bb7 62c76035-e340-41c4-86b4-908660b73bb7 62c76035-e340-41c4-86b4-908660b73bb7

In Linux:

gmr@binti ~ $ python Python 2.6.4 (r264:75706, Mar 9 2010, 17:27:45) [GCC 4.1.2 (Gentoo 4.1.2 p1.0.2)] on linux2 Type "help", "copyright", "credits" or "license" for more information.

import multiprocessing import uuid

def test(): ... print str(uuid.uuid4()) ... p = multiprocessing.Pool(processes=4) for x in xrange(0, 4): ... p.apply_async(test) ... <multiprocessing.pool.ApplyResult object at 0x7dd990> <multiprocessing.pool.ApplyResult object at 0x86d310> <multiprocessing.pool.ApplyResult object at 0x86d390> <multiprocessing.pool.ApplyResult object at 0x86d410> 6121782c-008d-42db-9df5-bbf619fb6568 ee7d3ef8-1c54-4ab5-bf06-1eddf5bcf2cb 40efe282-65a5-4160-96ee-b4cc0d14029d 9eb799f2-a46c-41e8-901f-423177f3467d