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* bpo-31310: multiprocessing's semaphore tracker should be launched again if ↵Antoine Pitrou2017-11-031-3/+17
| | | | | | | | | | | crashed (#3247) * bpo-31310: multiprocessing's semaphore tracker should be launched again if crashed * Avoid mucking with process state in test. Add a warning if the semaphore process died, as semaphores may then be leaked. * Add NEWS entry
* bpo-5001: More-informative multiprocessing error messages (#3079)Allen W. Smith, Ph.D2017-08-291-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Make error message more informative Replace assertions in error-reporting code with more-informative version that doesn't cause confusion over where and what the error is. * Additional clarification + get travis to check * Change from SystemError to TypeError As suggested in PR comment by @pitrou, changing from SystemError; TypeError appears appropriate. * NEWS file installation; ACKS addition (will do my best to justify it by additional work) * Making current AssertionErrors in multiprocessing more informative * Blurb added re multiprocessing managers.py, queues.py cleanup * Further multiprocessing cleanup - went through pool.py * Fix two asserts in multiprocessing/util.py * Most asserts in multiprocessing more informative * Didn't save right version * Further work on multiprocessing error messages * Correct typo * Correct typo v2 * Blasted colon... serves me right for trying to work on two things at once * Simplify NEWS entry * Update 2017-08-18-17-16-38.bpo-5001.gwnthq.rst * Update 2017-08-18-17-16-38.bpo-5001.gwnthq.rst OK, never mind. * Corrected (thanks to pitrou) error messages for notify * Remove extraneous backslash in docstring.
* Issue #20976: pyflakes: Remove unused importsVictor Stinner2014-03-201-2/+0
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* Issue #18999: Make multiprocessing use context objects.Richard Oudkerk2013-10-161-51/+61
| | | | | This allows different parts of a program to use different methods for starting processes without interfering with each other.
* Issue #18571: Implementation of the PEP 446: file descriptors and file handlesVictor Stinner2013-08-271-1/+1
| | | | | are now created non-inheritable; add functions os.get/set_inheritable(), os.get/set_handle_inheritable() and socket.socket.get/set_inheritable().
* Stop making fork server have copy of semaphore_tracker_fd.Richard Oudkerk2013-08-221-7/+7
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* Issue #8713: Support alternative start methods in multiprocessing on Unix.Richard Oudkerk2013-08-141-0/+135
See http://hg.python.org/sandbox/sbt#spawn