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* [3.7] bpo-38546: Backport multiprocessing tests fixes from master (GH-19689)Victor Stinner2020-04-231-0/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * bpo-37421: multiprocessing tests call _run_finalizers() (GH-14527) multiprocessing tests now call explicitly _run_finalizers() to remove immediately temporary directories created by multiprocessing.util.get_temp_dir(). (cherry picked from commit 039fb49c185570ab7b02f13fbdc51c859cfd831e) Co-authored-by: Victor Stinner <vstinner@redhat.com> (cherry picked from commit 632cb36084dc9d13f1cdb31a0e7e3ba80745a51a) * bpo-37421: multiprocessing tests now stop ForkServer (GH-14601) multiprocessing tests now stop the ForkServer instance if it's running: close the "alive" file descriptor to ask the server to stop and then remove its UNIX address. (cherry picked from commit 8fbeb14312b4c1320d31ad86e69749515879d1c3) Co-authored-by: Victor Stinner <vstinner@redhat.com> (cherry picked from commit 229f6e85f8b4d57a2e742e0d3fc361c5bd15f1cb) * bpo-38546: multiprocessing tests stop the resource tracker (GH-17641) (GH-17647) Multiprocessing and concurrent.futures tests now stop the resource tracker process when tests complete. Add ResourceTracker._stop() method to multiprocessing.resource_tracker. Add _cleanup_tests() helper function to multiprocessing.util: share code between multiprocessing and concurrent.futures tests. (cherry picked from commit 9707e8e22d80ca97bf7a9812816701cecde6d226) (cherry picked from commit 35acb3597208e10a101140474adec86859d57f61) * Remove NEWS about resource tracker Python 3.7 multiprocessing does not have resource tracker. Co-authored-by: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
* [3.7] bpo-39850: Add support for abstract sockets in multiprocessing ↵Pablo Galindo2020-03-091-0/+23
| | | | | (GH-18866) (GH-18877) (cherry picked from commit 6012f30beff7fa8396718dfb198ccafc333c565b)
* bpo-37421: Fix multiprocessing get_temp_dir() finalizer (GH-14572)Miss Islington (bot)2019-07-041-1/+13
| | | | | | | | | Fix multiprocessing.util.get_temp_dir() finalizer: clear also the 'tempdir' configuration of the current process, so next call to get_temp_dir() will create a new temporary directory, rather than reusing the removed temporary directory. (cherry picked from commit 9d40554e0da09a44a8547f3f3a2b9dedfeaf7928) Co-authored-by: Victor Stinner <vstinner@redhat.com>
* bpo-31804: Fix multiprocessing.Process with broken standard streams ↵Miss Islington (bot)2018-03-111-0/+14
| | | | | | | | | | (GH-6079) (GH-6080) In some conditions the standard streams will be None or closed in the child process (for example if using "pythonw" instead of "python" on Windows). Avoid failing with a non-0 exit code in those conditions. Report and initial patch by poxthegreat. (cherry picked from commit e756f66c83786ee82f5f7d45931ae50a6931dd7f) Co-authored-by: Antoine Pitrou <pitrou@free.fr>
* bpo-5001: More-informative multiprocessing error messages (#3079)Allen W. Smith, Ph.D2017-08-291-3/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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.
* 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-30065: Fixed arguments validation in _posixsubprocess.fork_exec(). (#1110)Serhiy Storchaka2017-04-191-1/+1
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* Issue #25654:Victor Stinner2016-03-251-0/+23
| | | | | | | | | * 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 #22033: Reprs of most Python implemened classes now contain actualSerhiy Storchaka2014-07-251-3/+4
| | | | class name instead of hardcoded one.
* Issue #21565: multiprocessing: use contex-manager protocol for synchronizationCharles-François Natali2014-05-251-0/+7
| | | | primitives.
* Issue #20976: pyflakes: Remove unused importsVictor Stinner2014-03-201-2/+0
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* Issue #18865: remove unused import from multiprocessing.util.spawnv_passfds()Victor Stinner2013-08-281-1/+1
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* Issue #18865: PEP 446 makes multiprocessing.util.pipe() unnecessary.Richard Oudkerk2013-08-281-20/+0
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* Issue #18571: Implementation of the PEP 446: file descriptors and file handlesVictor Stinner2013-08-271-3/+5
| | | | | are now created non-inheritable; add functions os.get/set_inheritable(), os.get/set_handle_inheritable() and socket.socket.get/set_inheritable().
* Issue #8713: Support alternative start methods in multiprocessing on Unix.Richard Oudkerk2013-08-141-10/+60
| | | | See http://hg.python.org/sandbox/sbt#spawn
* Issue #17555: Fix ForkAwareThreadLock so that size of after forkRichard Oudkerk2013-04-171-1/+4
| | | | registry does not grow exponentially with generation of process.
* Issue #16714: use 'raise' exceptions, don't 'throw'.Andrew Svetlov2012-12-181-1/+1
|\ | | | | | | Patch by Serhiy Storchaka.
| * Issue #16714: use 'raise' exceptions, don't 'throw'.Andrew Svetlov2012-12-181-1/+1
| | | | | | | | Patch by Serhiy Storchaka.
| * Issue #15881: Fixed 3.2 backport.Alexander Belopolsky2012-09-091-0/+2
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| * Fixed whitespaceAlexander Belopolsky2012-09-091-1/+1
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| * Issue #15881: Fixed atexit hook in multiprocessing.Alexander Belopolsky2012-09-091-16/+38
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* | Issue #15881: Clarify comment in exit functionRichard Oudkerk2012-09-131-8/+11
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* | Fixed whitespaceAlexander Belopolsky2012-09-091-1/+1
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* | Issue #15881: Fixed atexit hook in multiprocessing.Alexander Belopolsky2012-09-091-9/+32
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* | Issue #13841: Make child processes exit using sys.exit() on WindowsRichard Oudkerk2012-06-141-12/+15
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* | Make Finalize reserve a reference to os.getpid in case called at shutdownRichard Oudkerk2012-06-041-2/+2
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* | Issue #14548: Make multiprocessing finalizers check pid before runningRichard Oudkerk2012-05-251-3/+9
| | | | | | | | This protects from possibilty of gc running just after fork.
* | Fix whitespaceAntoine Pitrou2012-05-181-1/+0
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* | Move private function _args_from_interpreter_flags() to subprocess.py, soAntoine Pitrou2012-05-181-29/+1
| | | | | | | | | | that it can be imported when threads are disabled. (followup to issue #12098)
* | #12098: Make multiprocessing's child processes inherit sys.flags on WindowsRichard Oudkerk2012-05-181-0/+31
| | | | | | | | Initial patch by Sergey Mezentsev.
* | Issue #14753: Make multiprocessing treat negative timeouts as it did in 3.2Richard Oudkerk2012-05-101-15/+0
| | | | | | | | | | | | | | | | In Python 3.2 and earlier, Process.join() and Connection.poll() treated negative timeouts as zero timeouts. Earlier versions from the 3.3 line of development treat them as infinite timeouts. The patch reverts to the old behaviour.
* | Mark multiprocessing files with "Licensed to PSF under a Contributor Agreement"Richard Oudkerk2012-04-301-26/+1
| | | | | | | | instead of BSD licence.
* | Remove unused or redundant imports in concurrent.futures and multiprocessing.Florent Xicluna2011-11-111-2/+1
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* | Use InterruptedError instead of checking for EINTRAntoine Pitrou2011-10-231-6/+3
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* | Rebind locally the globals which can be looked up at shutdownAntoine Pitrou2011-07-081-1/+5
| | | | | | | | (to avoid the warnings seen on a buildbot)
* | Whitespace normalizationAntoine Pitrou2011-06-061-1/+0
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* | Issue #12040: Expose a new attribute `sentinel` on instances ofAntoine Pitrou2011-06-061-0/+21
|/ | | | | :class:`multiprocessing.Process`. Also, fix Process.join() to not use polling anymore, when given a timeout.
* 9162: fix license in multiprocessing filesR. David Murray2010-12-141-1/+27
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* merge r68915 to py3kJesse Noller2009-01-251-12/+24
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* merge cl r68737 to py3kJesse Noller2009-01-181-24/+0
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* Issue #3125: Remove copy_reg in multiprocessing and replace it withAmaury Forgeot d'Arc2008-08-191-33/+0
| | | | ForkingPickler.register() to resolve conflict with ctypes.
* Merged revisions 65864 via svnmerge fromBenjamin Peterson2008-08-191-2/+2
| | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/trunk ........ r65864 | jesse.noller | 2008-08-19 14:06:19 -0500 (Tue, 19 Aug 2008) | 2 lines issue3352: clean up the multiprocessing API to remove many get_/set_ methods and convert them to properties. Update the docs and the examples included. ........
* Merged revisions 64104,64117 via svnmerge fromBenjamin Peterson2008-06-111-0/+336
svn+ssh://pythondev@svn.python.org/python/trunk ........ r64104 | benjamin.peterson | 2008-06-10 21:40:25 -0500 (Tue, 10 Jun 2008) | 2 lines add the multiprocessing package to fulfill PEP 371 ........ r64117 | benjamin.peterson | 2008-06-11 07:26:31 -0500 (Wed, 11 Jun 2008) | 2 lines fix import of multiprocessing by juggling imports ........
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