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cpython/Misc
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Miss Islington (bot) dcff50a3e9
gh-96387: take_gil() resets drop request before exit (GH-96869) (GH-96941) 
At Python exit, sometimes a thread holding the GIL can wait forever
for a thread (usually a daemon thread) which requested to drop the
GIL, whereas the thread already exited. To fix the race condition,
the thread which requested the GIL drop now resets its request before
exiting.

take_gil() now calls RESET_GIL_DROP_REQUEST() before
PyThread_exit_thread() if it called SET_GIL_DROP_REQUEST to fix a
race condition with drop_gil().

Issue discovered and analyzed by Mingliang ZHAO.

(cherry picked from commit 04f4977f50)
(cherry picked from commit 6ff54716f1)

Co-authored-by: Victor Stinner <vstinner@python.org>
2022-09-19 17:36:26 -07:00
..
NEWS.d gh-96387: take_gil() resets drop request before exit (GH-96869) (GH-96941) 2022-09-19 17:36:26 -07:00
ACKS gh-90467: StreamReaderProtocol - add strong reference to created task (GH-96323) 2022-09-08 08:39:20 -07:00
coverity_model.c
gdbinit
HISTORY
indent.pro
Porting
python-config.in
python-config.sh.in
python-embed.pc.in
python-wing3.wpr
python-wing4.wpr
python-wing5.wpr
python.man [3.10] gh-93217: fix some issues in man page and --help (GH-93219) (#93261) 2022-05-29 14:04:23 -04:00
python.pc.in
README
README.AIX
README.coverity
README.valgrind closes bpo-38522 docs: remove references to Py_USING_MEMORY_DEBUGGER (GH-30284) (GH-30295) 2021-12-29 17:01:17 -06:00
requirements-test.txt
SpecialBuilds.txt
stable_abi.txt gh-91271: Document which parts of structs are in limited API/stable ABI (GH-32196) (GH-95711) 2022-08-05 17:30:51 +02:00
svnmap.txt
valgrind-python.supp
vgrindefs

README 

Python Misc subdirectory
========================

This directory contains files that wouldn't fit in elsewhere.  Some
documents are only of historic importance.

Files found here
----------------

ACKS                    Acknowledgements
gdbinit                 Handy stuff to put in your .gdbinit file, if you use gdb
HISTORY                 News from previous releases -- oldest last
indent.pro              GNU indent profile approximating my C style
NEWS                    News for this release (for some meaning of "this")
Porting                 Mini-FAQ on porting to new platforms
python-config.in        Python script template for python-config
python.man              UNIX man page for the python interpreter
python.pc.in            Package configuration info template for pkg-config
python-wing*.wpr        Wing IDE project file
README                  The file you're reading now
README.AIX              Information about using Python on AIX
README.coverity         Information about running Coverity's Prevent on Python
README.valgrind         Information for Valgrind users, see valgrind-python.supp
SpecialBuilds.txt       Describes extra symbols you can set for debug builds
svnmap.txt              Map of old SVN revs and branches to hg changeset ids,
                        help history-digging
valgrind-python.supp    Valgrind suppression file, see README.valgrind
vgrindefs               Python configuration for vgrind (a generic pretty printer)