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* Clear potential ref cycle between Process and Process target (#2470)Antoine Pitrou2017-06-281-0/+3
| | | | | | | | | * Clear potential ref cycle between Process and Process target Besides Process.join() not being called, this was an indirect cause of bpo-30775. The threading module already does this. * Add issue reference
* Fix bpo-30596: Add close() method to multiprocessing.Process (#2010)Antoine Pitrou2017-06-246-8/+59
| | | | | | | | | | * Fix bpo-30596: Add close() method to multiprocessing.Process * Raise ValueError if close() is called before the Process is finished running * Add docs * Add NEWS blurb
* bpo-24484: Avoid race condition in multiprocessing cleanup (#2159)Antoine Pitrou2017-06-131-13/+21
| | | | | | | | | | | * bpo-24484: Avoid race condition in multiprocessing cleanup The finalizer registry can be mutated while inspected by multiprocessing at process exit. * Use test.support.start_threads() * Add Misc/NEWS
* bpo-30643: Fix race condition in signal wakeup in forkserver (followup to PR ↵Antoine Pitrou2017-06-131-4/+8
| | | | | | | | | | | | | #1989) (#2139) * Fix race condition in signal wakeup in forkserver (followup to PR #1989) There's an admittedly well-known race condition where ECHILD can arrive just before the C function epoll_wait() and the latter wouldn't therefore return EINTR. The solution is to use set_wakeup_fd(), which was designed to avoid such race conditions. * Reset wakeup fd in child
* Fix bpo-30589: improve Process.exitcode with forkserver (#1989)Antoine Pitrou2017-06-123-47/+97
| | | | | | | | * Fix bpo-30589: improve Process.exitcode with forkserver When the child is killed, Process.exitcode should return -signum, not 255. * Add Misc/NEWS
* bpo-30595: Fix multiprocessing.Queue.get(timeout) (#2027)Victor Stinner2017-06-101-1/+1
| | | | | | | multiprocessing.Queue.get() with a timeout now polls its reader in non-blocking mode if it succeeded to aquire the lock but the acquire took longer than the timeout. Co-Authored-By: Grzegorz Grzywacz <grzgrzgrz3@gmail.com>
* bpo-16500: Allow registering at-fork handlers (#1715)Antoine Pitrou2017-05-272-8/+0
| | | | | | | | | | | | * bpo-16500: Allow registering at-fork handlers * Address Serhiy's comments * Add doc for new C API * Add doc for new Python-facing function * Add NEWS entry + doc nit
* bpo-30414: multiprocessing.Queue._feed do not break from main loop on exc ↵grzgrzgrz32017-05-251-12/+10
| | | | | | | | | | | | | | | | | | (#1683) * bpo-30414: multiprocesing.Queue._feed do not break from main loop on exc Queue background running thread was not handling exceptions correctly. Any exception occurred inside thread (putting unpickable object) cause feeder to finish running. After that every message put into queue is silently ignored. * bpo-30414: multiprocesing.Queue._feed do not break from main loop on exc Queue background running thread was not handling exceptions correctly. Any exception occurred inside thread (putting unpickable object) cause feeder to finish running. After that every message put into queue is silently ignored.
* bpo-30296 Remove unnecessary tuples, lists, sets, and dicts (#1489)Jon Dufresne2017-05-183-4/+3
| | | | | | | | * Replaced list(<generator expression>) with list comprehension * Replaced dict(<generator expression>) with dict comprehension * Replaced set(<list literal>) with set literal * Replaced builtin func(<list comprehension>) with func(<generator expression>) when supported (e.g. any(), all(), tuple(), min(), & max())
* bpo-30301: Fix AttributeError when using SimpleQueue.empty() (#1601)Xiang Zhang2017-05-171-0/+1
| | | | | Under *spawn* and *forkserver* start methods, SimpleQueue.empty() could raise AttributeError due to not setting _poll in __setstate__.
* bpo-30185: avoid KeyboardInterrupt tracebacks in forkserver (#1319)Antoine Pitrou2017-05-041-6/+14
| | | | | | * bpo-30185: avoid KeyboardInterrupt tracebacks in forkserver * Tweak comment
* bpo-30065: Fixed arguments validation in _posixsubprocess.fork_exec(). (#1110)Serhiy Storchaka2017-04-191-1/+1
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* bpo-29762: More use "raise from None". (#569)Serhiy Storchaka2017-04-053-5/+5
| | | This hides unwanted implementation details from tracebacks.
* bpo-28699: fix abnormal behaviour of pools in multiprocessing.pool (GH-693)Xiang Zhang2017-03-291-24/+55
| | | | | an exception raised at the very first of an iterable would cause pools behave abnormally (swallow the exception or hang)
* bpo-29919: Remove unused imports found by pyflakes (#137)Victor Stinner2017-03-271-1/+1
| | | Make also minor PEP8 coding style fixes on modified imports.
* bpo-29861: release references to multiprocessing Pool tasks (#743)Antoine Pitrou2017-03-241-1/+6
| | | | | | | | | | * bpo-29861: release references to multiprocessing Pool tasks Release references to tasks, their arguments and their results as soon as they are finished, instead of keeping them alive until another task arrives. * Comments in test
* bpo-29776: Use decorator syntax for properties. (#585)Serhiy Storchaka2017-03-194-7/+20
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* Issue #28779: multiprocessing.set_forkserver_preload() would crash the ↵Antoine Pitrou2016-12-102-2/+2
|\ | | | | | | forkserver process if a preloaded module instantiated some multiprocessing objects such as locks.
| * Issue #28779: multiprocessing.set_forkserver_preload() would crash the ↵Antoine Pitrou2016-12-102-2/+2
| | | | | | | | forkserver process if a preloaded module instantiated some multiprocessing objects such as locks.
* | Issue #28053: Applying refactorings, docs and other cleanup to follow.Davin Potts2016-09-0913-40/+77
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* | Issue #21201: Improves readability of multiprocessing error message from ↵Davin Potts2016-09-081-1/+1
|\ \ | |/ | | | | server to client for certain exceptions
| * Issue #21201: Improves readability of multiprocessing error message from ↵Davin Potts2016-09-081-1/+1
| | | | | | | | server to client for certain exceptions
* | Fixes issue #6766: Updated multiprocessing Proxy Objects to support nestingDavin Potts2016-09-071-25/+70
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* | Issue #26778: Fixed "a/an/and" typos in code comment, documentation and errorSerhiy Storchaka2016-04-171-1/+1
|\ \ | |/ | | | | messages.
| * Issue #26778: Fixed "a/an/and" typos in code comment and documentation.Serhiy Storchaka2016-04-171-1/+1
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| * Issue #25654:Victor Stinner2016-03-253-13/+25
| | | | | | | | | | | | | | | | | | * multiprocessing: open file with closefd=False to avoid ResourceWarning * _test_multiprocessing: open file with O_EXCL to detect bugs in tests (if a previous test forgot to remove TESTFN) * test_sys_exit(): remove TESTFN after each loop iteration Initial patch written by Serhiy Storchaka.
* | Issue #25654:Victor Stinner2016-03-253-13/+25
| | | | | | | | | | | | | | | | | | * multiprocessing: open file with closefd=False to avoid ResourceWarning * _test_multiprocessing: open file with O_EXCL to detect bugs in tests (if a previous test forgot to remove TESTFN) * test_sys_exit(): remove TESTFN after each loop iteration Initial patch written by Serhiy Storchaka.
* | Issue #23992: multiprocessing: make MapResult not fail-fast upon exception.Charles-François Natali2016-02-101-8/+12
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* Fix typo in docstring of multiprocessing.spawn.spawn_main()Berker Peksag2016-01-071-1/+1
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* Issue #25899: Converted non-ASCII characters in docstrings and manpageSerhiy Storchaka2015-12-181-1/+1
| | | | to ASCII replacements. Original patch by Chris Angelico.
* Issue #21116: Avoid blowing memory when allocating a multiprocessing sharedAntoine Pitrou2015-04-131-1/+8
| | | | | | array that's larger than 50% of the available RAM. Patch by Médéric Boquien.
* Issue #23865: close() methods in multiple modules now are idempotent and moreSerhiy Storchaka2015-04-102-8/+17
|\ | | | | | | | | robust at shutdown. If needs to release multiple resources, they are released even if errors are occured.
| * Issue #23865: close() methods in multiple modules now are idempotent and moreSerhiy Storchaka2015-04-102-8/+17
| | | | | | | | | | robust at shutdown. If needs to release multiple resources, they are released even if errors are occured.
* | Issue #23400: Raise same exception on both Python 2 and 3 if sem_open is not ↵Berker Peksag2015-04-081-1/+2
|\ \ | |/ | | | | | | | | available. Patch by Davin Potts.
| * Issue #23400: Raise same exception on both Python 2 and 3 if sem_open is not ↵Berker Peksag2015-04-081-1/+2
| | | | | | | | | | | | available. Patch by Davin Potts.
* | Issue #23051: multiprocessing.Pool methods imap() and imap_unordered() nowSerhiy Storchaka2015-03-131-14/+23
|\ \ | |/ | | | | | | handle exceptions raised by an iterator. Patch by Alon Diamant and Davin Potts.
| * Issue #23051: multiprocessing.Pool methods imap() and imap_unordered() nowSerhiy Storchaka2015-03-131-14/+23
| | | | | | | | | | handle exceptions raised by an iterator. Patch by Alon Diamant and Davin Potts.
* | Issue #18382: Zero-length messages are consumed by ReadFile on Windows 8 and ↵Steve Dower2015-03-021-2/+11
|\ \ | |/ | | | | later
| * Issue #18382: Zero-length messages are consumed by ReadFile on Windows 8 and ↵Steve Dower2015-03-021-2/+11
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* | Issue #23285: PEP 475 -- Retry system calls failing with EINTR.Charles-François Natali2015-02-073-34/+5
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* | Issue #23060: Suppresses a multiprocessing assert that fails incorrectlySteve Dower2014-12-171-1/+3
| | | | | | | | This is to keep buildbots running while we figure out the best long-term fix.
* | Issue #22581: Use more "bytes-like object" throughout the docs and comments.Serhiy Storchaka2014-12-051-1/+1
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| * Issue #22581: Use more "bytes-like object" throughout the docs and comments.Serhiy Storchaka2014-12-051-1/+1
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* | Simplify code in multiprocessing.Connection.send_bytes().Antoine Pitrou2014-07-311-9/+6
| | | | | | | | Followup to issue #20540; patch by Serhiy.
* | Issue #22033: Reprs of most Python implemened classes now contain actualSerhiy Storchaka2014-07-255-16/+17
| | | | | | | | class name instead of hardcoded one.
* | Issue #21566: Make use of socket.listen() default backlog.Charles-François Natali2014-07-231-1/+1
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* | Fixed bugs in reprs of CookieJar and multiprocessing.dummy.Value.Serhiy Storchaka2014-07-221-1/+1
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| * Fixed bugs in reprs of CookieJar and multiprocessing.dummy.Value.Serhiy Storchaka2014-07-221-1/+1
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* | Issue #21565: multiprocessing: use contex-manager protocol for synchronizationCharles-François Natali2014-05-258-102/+40
|/ | | | primitives.
* do not generate pipe names in the temporary dirBenjamin Peterson2014-04-141-1/+1
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