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* Fix typo in Lib/concurrent/futures/thread.py (GH-13953)ubordignon2019-06-151-1/+1
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* [3.9] bpo-37116: Use PEP 570 syntax for positional-only parameters. (GH-12620)Serhiy Storchaka2019-06-051-17/+1
| | | Turn deprecation warnings added in 3.8 into TypeError.
* bpo-26903: Limit ProcessPoolExecutor to 61 workers on Windows (GH-13132)Brian Quinlan2019-05-081-0/+14
| | | | Co-Authored-By: brianquinlan <brian@sweetapp.com>
* Don't import wait from connection, it shadows a name (GH-13112)Brian Quinlan2019-05-071-2/+2
| | | (lint cleanup) This import causes an argument parameter to shadow the global import name.
* bpo-36542: Allow to overwrite the signature for Python functions. (GH-12705)Serhiy Storchaka2019-05-061-0/+1
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* Correct grammar in concurrent/futures/process.py docstring (GH-12761)Thomas Grainger2019-04-121-1/+1
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* bpo-36492: Deprecate passing some arguments as keyword arguments. (GH-12637)Serhiy Storchaka2019-04-011-1/+16
| | | | | | | | | | | | | | | | | | | | | | Deprecated passing the following arguments as keyword arguments: - "func" in functools.partialmethod(), weakref.finalize(), profile.Profile.runcall(), cProfile.Profile.runcall(), bdb.Bdb.runcall(), trace.Trace.runfunc() and curses.wrapper(). - "function" in unittest.addModuleCleanup() and unittest.TestCase.addCleanup(). - "fn" in the submit() method of concurrent.futures.ThreadPoolExecutor and concurrent.futures.ProcessPoolExecutor. - "callback" in contextlib.ExitStack.callback(), contextlib.AsyncExitStack.callback() and contextlib.AsyncExitStack.push_async_callback(). - "c" and "typeid" in the create() method of multiprocessing.managers.Server and multiprocessing.managers.SharedMemoryServer. - "obj" in weakref.finalize(). Also allowed to pass arbitrary keyword arguments (even "self" and "func") if the above arguments are passed as positional argument.
* bpo-35715: Liberate return value of _process_worker (GH-11514)Dave Chevell2019-03-161-0/+1
| | | | ProcessPoolExecutor workers will hold the return value of their last task in memory until the next task is received. Since the return value has already been propagated to the parent process's Future (or has been discarded by this point), the object can be safely released.
* bpo-33097: Fix submit accepting callable after executor shutdown by ↵Mark Nemec2018-04-101-0/+7
| | | | | | interpreter exit (GH-6144) Executors in concurrent.futures accepted tasks after executor was shutdown by interpreter exit. Tasks were left in PENDING state forever. This fix changes submit to instead raise a RuntimeError.
* bpo-33056 FIX leaking fd in concurrent.futures.ProcessPoolExecutor (#6084)Thomas Moreau2018-03-121-2/+9
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* bpo-31699 Deadlocks in `concurrent.futures.ProcessPoolExecutor` with ↵Thomas Moreau2018-01-051-49/+159
| | | | | | pickling error (#3895) Fix deadlocks in :class:`concurrent.futures.ProcessPoolExecutor` when task arguments or results cause pickling or unpickling errors. This should make sure that calls to the :class:`ProcessPoolExecutor` API always eventually return.
* bpo-21423: Add an initializer argument to {Process,Thread}PoolExecutor (#4241)Antoine Pitrou2017-11-041-7/+29
| | | | | | * bpo-21423: Add an initializer argument to {Process,Thread}PoolExecutor * Fix docstring
* bpo-31540: Allow passing multiprocessing context to ProcessPoolExecutor (#3682)Thomas Moreau2017-10-031-29/+37
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* bpo-31326: ProcessPoolExecutor waits for the call queue thread (#3265)Victor Stinner2017-09-011-1/+5
| | | | | | | | | | * bpo-31326: ProcessPoolExecutor waits for the call queue thread concurrent.futures.ProcessPoolExecutor.shutdown() now explicitly closes the call queue. Moreover, shutdown(wait=True) now also join the call queue thread, to prevent leaking a dangling thread. * Fix for shutdown() being called twice.
* bpo-27144: concurrent.futures as_complete and map iterators do not keep ↵Grzegorz Grzywacz2017-09-011-1/+13
| | | | | | | | | | reference to returned object (#1560) * bpo-27144: concurrent.futures as_complie and map iterators do not keep reference to returned object * Some nits. Improve wordings in docstrings and comments, and avoid relying on sys.getrefcount() in tests.
* Issue #27895: Spelling fixes (Contributed by Ville Skyttä).Raymond Hettinger2016-08-301-1/+1
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* Issue #25523: Further a-to-an corrections new in 3.5Martin Panter2015-11-021-1/+1
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* Issue #21817: When an exception is raised in a task submitted to a ↵Antoine Pitrou2015-01-171-2/+24
| | | | | | ProcessPoolExecutor, the remote traceback is now displayed in the parent process. Patch by Claudiu Popa.
* Issue #11271: concurrent.futures.Executor.map() now takes a *chunksize*Antoine Pitrou2014-10-041-0/+51
| | | | | argument to allow batching of tasks in child processes and improve performance of ProcessPoolExecutor. Patch by Dan O'Reilly.
* Issue #21362: concurrent.futures does not validate that max_workers is properBrian Quinlan2014-05-171-0/+3
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* Fix import of SimpleQueue.Richard Oudkerk2013-10-161-1/+2
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* #18741: merge with 3.3.Ezio Melotti2013-08-171-2/+2
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| * #18741: fix more typos. Patch by Févry Thibault.Ezio Melotti2013-08-171-2/+2
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* | Issue #17914: Use os.cpu_count() instead of multiprocessing.cpu_count() whereCharles-François Natali2013-06-281-1/+1
| | | | | | | | applicable.
* | Issue #16284: Prevent keeping unnecessary references to worker functions in ↵Andrew Svetlov2012-11-031-0/+4
| | | | | | | | concurrent.futures ThreadPoolExecutor.
* | Fix concurrent.futures docstring typo: "Request Q" -> "Result Q".Mark Dickinson2012-10-201-1/+1
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* Issue #12328: Fix multiprocessing's use of overlapped I/O on Windows.Antoine Pitrou2012-03-051-4/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Also, add a multiprocessing.connection.wait(rlist, timeout=None) function for polling multiple objects at once. Patch by sbt. Complete changelist from sbt's patch: * Adds a wait(rlist, timeout=None) function for polling multiple objects at once. On Unix this is just a wrapper for select(rlist, [], [], timeout=None). * Removes use of the SentinelReady exception and the sentinels argument to certain methods. concurrent.futures.process has been changed to use wait() instead of SentinelReady. * Fixes bugs concerning PipeConnection.poll() and messages of zero length. * Fixes PipeListener.accept() to call ConnectNamedPipe() with overlapped=True. * Fixes Queue.empty() and SimpleQueue.empty() so that they are threadsafe on Windows. * Now PipeConnection.poll() and wait() will not modify the pipe except possibly by consuming a zero length message. (Previously poll() could consume a partial message.) * All of multiprocesing's pipe related blocking functions/methods are now interruptible by SIGINT on Windows.
* Merge with 3.2 for #12364.Ross Lagerwall2012-01-081-3/+0
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| * Issue #12364: Fix a hang in concurrent.futures.ProcessPoolExecutor.Ross Lagerwall2012-01-081-6/+1
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| * Close the call queue in concurrent.futures.ProcessPoolExecutor whenAntoine Pitrou2011-07-161-0/+1
| | | | | | | | shutdown() is called, without waiting for the garbage collector to kick in.
* | Remove unused or redundant imports in concurrent.futures and multiprocessing.Florent Xicluna2011-11-111-2/+1
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* | Silence spurious "broken pipe" tracebacks when shutting down a ↵Antoine Pitrou2011-07-151-4/+7
| | | | | | | | ProcessPoolExecutor.
* | Fix potential resource leaks in concurrent.futures.ProcessPoolExecutorAntoine Pitrou2011-07-151-1/+4
| | | | | | | | by joining all queues and processes when shutdown() is called.
* | Followup to 51c1f2cedb96 (and issue #12456):Antoine Pitrou2011-07-031-10/+10
| | | | | | | | qsize() raises NotImplementedError on OS X, don't use it.
* | Issue #12456: fix a possible hang on shutdown of a ↵Antoine Pitrou2011-07-021-9/+21
| | | | | | | | concurrent.futures.ProcessPoolExecutor.
* | Issue #9205: concurrent.futures.ProcessPoolExecutor now detects killedAntoine Pitrou2011-06-081-31/+74
| | | | | | | | | | children and raises BrokenProcessPool in such a situation. Previously it would reliably freeze/deadlock.
* | Fix typo in name of private functionAntoine Pitrou2011-05-031-7/+7
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| * Fix typo in name of private functionAntoine Pitrou2011-05-031-7/+7
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* | Issue #11815: Use a light-weight SimpleQueue for the result queue in ↵Antoine Pitrou2011-04-121-2/+3
|/ | | | concurrent.futures.ProcessPoolExecutor.
* Issue #11815: Remove dead code in concurrent.futures (since a blocking QueueAntoine Pitrou2011-04-121-44/+25
| | | | cannot raise queue.Empty).
* Issue #11635: Don't use polling in worker threads and processes launched byAntoine Pitrou2011-03-261-48/+64
| | | | concurrent.futures.
* Issue #10798: Reject supporting concurrent.futures if the system hasMartin v. Löwis2011-01-031-0/+26
| | | | too few POSIX semaphores.
* Fix "seperate".Georg Brandl2010-12-091-1/+1
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* Initial implementation of PEP 3148Brian Quinlan2010-09-181-0/+337
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