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77 Commits

Author SHA1 Message Date
Miss Islington (bot) 4bd5fce27d
bpo-34054: multiprocessing uses time.monotonic() (GH-8118) 
The multiprocessing module now uses the monotonic clock
time.monotonic() instead of the system clock time.time() to implement
timeouts.
(cherry picked from commit c2368cbc83)

Co-authored-by: Victor Stinner <vstinner@redhat.com>
 2018-07-06 05:11:21 -07:00
Allen W. Smith, Ph.D bd73e72b4a bpo-5001: More-informative multiprocessing error messages (#3079) 
* 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.
 2017-08-30 00:52:18 +02:00
Serhiy Storchaka bdf6b910f9 bpo-29776: Use decorator syntax for properties. (#585) 2017-03-19 08:40:32 +02:00
Davin Potts 5458647bb8 Issue #28053: Applying refactorings, docs and other cleanup to follow. 2016-09-09 18:03:10 -05:00
Serhiy Storchaka 225821c653 Issue #25899: Converted non-ASCII characters in docstrings and manpage 
to ASCII replacements.  Original patch by Chris Angelico.
 2015-12-18 13:05:04 +02:00
Serhiy Storchaka 2116b12da5 Issue #23865: close() methods in multiple modules now are idempotent and more 
robust at shutdown. If needs to release multiple resources, they are released
even if errors are occured.
 2015-04-10 13:29:28 +03:00
Serhiy Storchaka 7e7a3dba5f Issue #23865: close() methods in multiple modules now are idempotent and more 
robust at shutdown. If needs to release multiple resources, they are released
even if errors are occured.
 2015-04-10 13:24:41 +03:00
Steve Dower 4e02f8f4ae Issue #18382: Zero-length messages are consumed by ReadFile on Windows 8 and later 2015-03-02 08:06:30 -08:00
Steve Dower 3f9e381030 Issue #18382: Zero-length messages are consumed by ReadFile on Windows 8 and later 2015-03-02 08:05:27 -08:00
Charles-François Natali 6e6c59b508 Issue #23285: PEP 475 -- Retry system calls failing with EINTR. 2015-02-07 13:27:50 +00:00
Serhiy Storchaka b757c83ec6 Issue #22581: Use more "bytes-like object" throughout the docs and comments. 2014-12-05 22:25:22 +02:00
Serhiy Storchaka 92bf919ed0 Issue #22581: Use more "bytes-like object" throughout the docs and comments. 2014-12-05 22:26:10 +02:00
Antoine Pitrou 0b87831de9 Simplify code in multiprocessing.Connection.send_bytes(). 
Followup to issue #20540; patch by Serhiy.
 2014-07-31 18:41:57 -04:00
Benjamin Peterson 40470e00b5 do not generate pipe names in the temporary dir 2014-04-14 12:24:37 -04:00
Victor Stinner 7fa767e517 Issue #20976: pyflakes: Remove unused imports 2014-03-20 09:16:38 +01:00
Victor Stinner 69b1e261fc Issue #20978: pyflakes: fix undefined names 2014-03-20 08:50:52 +01:00
Antoine Pitrou 0c1e31ab1e Issue #20540: Fix a performance regression (vs. Python 3.2) when layering a multiprocessing Connection over a TCP socket. 
For small payloads, Nagle's algorithm would introduce idle delays before the entire transmission of a message.
 2014-02-08 23:05:52 +01:00
Antoine Pitrou b7d6d2ac6e Issue #20540: Fix a performance regression (vs. Python 3.2) when layering a multiprocessing Connection over a TCP socket. 
For small payloads, Nagle's algorithm would introduce idle delays before the entire transmission of a message.
 2014-02-08 23:03:56 +01:00
Christian Heimes 634919a9fa Issue #17276: MD5 as default digestmod for HMAC is deprecated. The HMAC 
module supports digestmod names, e.g. hmac.HMAC('sha1').
 2013-11-20 17:23:06 +01:00
Charles-François Natali 45e255167e Issue #18934: Use poll/select-based selectors for multiprocessing.Connection, 
to avoid one extra FD per Connection.
 2013-09-08 11:30:53 +02:00
Charles-François Natali e241ac9283 Issue #18934: multiprocessing: use selectors module. 2013-09-05 20:46:49 +02:00
Victor Stinner daf455554b Issue #18571: Implementation of the PEP 446: file descriptors and file handles 
are now created non-inheritable; add functions os.get/set_inheritable(),
os.get/set_handle_inheritable() and socket.socket.get/set_inheritable().
 2013-08-28 00:53:59 +02:00
Richard Oudkerk 84ed9a68bd Issue #8713: Support alternative start methods in multiprocessing on Unix. 
See http://hg.python.org/sandbox/sbt#spawn
 2013-08-14 15:35:41 +01:00
Brett Cannon cd171c8e92 Issue #18200: Back out usage of ModuleNotFoundError (8d28d44f3a9a) 2013-07-04 17:43:24 -04:00
Richard Oudkerk 626032ac54 Issue #17097: Merge. 2013-07-01 19:10:39 +01:00
Richard Oudkerk cca8c53d6a Issue #17097: Make multiprocessing ignore EINTR. 2013-07-01 18:59:26 +01:00
Brett Cannon 0a140668fa Issue #18200: Update the stdlib (except tests) to use 
ModuleNotFoundError.
 2013-06-13 20:57:26 -04:00
Giampaolo Rodola' 308307190f Fix issue #17707: multiprocessing.Queue's get() method does not block for short timeouts. 2013-04-17 13:12:27 +02:00
Giampaolo Rodola' b38897fc91 Fix issue #17707: multiprocessing.Queue's get() method does not block for short timeouts. 2013-04-17 13:08:59 +02:00
Charles-François Natali a655075d16 Issue #17025: Add dumps() and loads() to ForkingPickler. 2013-03-24 15:21:49 +01:00
Giampaolo Rodola' 67da89446a fix for previous commit related to issue 10527 which didn't have the intended effect as per http://bugs.python.org/issue10527#msg179895 2013-01-14 02:24:25 +01:00
Giampaolo Rodola' 0c8ad61c95 fix for previous commit related to issue 10527 which didn't have the intended effect as per http://bugs.python.org/issue10527#msg179895 2013-01-14 02:24:05 +01:00
Richard Oudkerk 0ee84e04da Issue #16955: Fix the poll() method for multiprocessing's socket 
connections on Windows.
 2013-01-13 22:52:13 +00:00
Richard Oudkerk ed9e06cb21 Issue #16955: Fix the poll() method for multiprocessing's socket 
connections on Windows.
 2013-01-13 22:46:48 +00:00
Giampaolo Rodola' b4f39e85f2 Fix issue 10527: make multiprocessing use poll() instead of select() if available. 2012-12-31 17:38:46 +01:00
Giampaolo Rodola' 5051ca887c Fix issue 10527: make multiprocessing use poll() instead of select() if available. 2012-12-31 17:38:17 +01:00
Giampaolo Rodola' 5e844c8052 Fix issue 10527: make multiprocessing use poll() instead of select() if available. 2012-12-31 17:23:09 +01:00
Andrew Svetlov f7a17b48d7 Replace IOError with OSError (#16715) 2012-12-25 16:47:37 +02:00
Andrew Svetlov 2606a6f197 Issue #16719: Get rid of WindowsError. Use OSError instead 
Patch by Serhiy Storchaka.
 2012-12-19 14:33:35 +02:00
Richard Oudkerk b15e622bb8 Issue #6056: Make multiprocessing use setblocking(True) on the sockets it uses. 
Original patch by J Derek Wilson.
 2012-07-27 14:19:00 +01:00
Richard Oudkerk 4887b1c0e7 Issue #6056: Make multiprocessing use setblocking(True) on the sockets it uses. 
Original patch by J Derek Wilson.
 2012-07-27 14:06:11 +01:00
Richard Oudkerk d69cfe88ea Issue #15064: Implement context manager protocol for multiprocessing types 2012-06-18 17:47:52 +01:00
Richard Oudkerk 59d5404bc7 Issue #14753: Make multiprocessing treat negative timeouts as it did in 3.2 
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.
 2012-05-10 16:11:12 +01:00
Richard Oudkerk 7ef909cdd7 Fix for issue 14725 for 3.2 branch 2012-05-05 20:41:23 +01:00
Richard Oudkerk fdb8dcf675 Fix for Issue 14725 for 3.3 branch. 2012-05-05 19:45:37 +01:00
Richard Oudkerk 3e268aac3b Mark multiprocessing files with "Licensed to PSF under a Contributor Agreement" 
instead of BSD licence.
 2012-04-30 12:13:55 +01:00
Antoine Pitrou 5438ed1572 Issue #4892: multiprocessing Connections can now be transferred over multiprocessing Connections. 
Patch by Richard Oudkerk (sbt).
 2012-04-24 22:56:57 +02:00
Antoine Pitrou 23bba4ca39 Issue #11750: The Windows API functions scattered in the _subprocess and 
_multiprocessing.win32 modules now live in a single module "_winapi".
Patch by sbt.
 2012-04-18 20:51:15 +02:00
Antoine Pitrou df97cbe7a1 Issue #14522: Avoid duplicating socket handles in multiprocessing.connection. 
Patch by sbt.
 2012-04-07 22:38:52 +02:00
Antoine Pitrou 5c73e8eaf4 Issue #14482: Raise a ValueError, not a NameError, when trying to create 
a multiprocessing Client or Listener with an AF_UNIX type address under
Windows.  Patch by Popa Claudiu.
 2012-04-03 20:13:45 +02:00