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Title: Issue 30703: Non-reentrant signal handler (test_multiprocessing_forkserver hangs) - Python tracker

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This issue has been migrated to GitHub: https://github.com/python/cpython/issues/74888 https://github.com/python/cpython/issues/74888
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PR 2408https://github.com/python/cpython/pull/2408
PR 2415https://github.com/python/cpython/pull/2415
PR 2527https://github.com/python/cpython/pull/2527
PR 2581https://github.com/python/cpython/pull/2581
msg296348https://bugs.python.org/issue30703#msg296348
(view)https://bugs.python.org/msg296348
http://buildbot.python.org/all/builders/x86-64%20Sierra%203.x/builds/337/steps/test/logs/stdiohttp://buildbot.python.org/all/builders/x86-64%20Sierra%203.x/builds/337/steps/test/logs/stdio
msg296376https://bugs.python.org/issue30703#msg296376
(view)https://bugs.python.org/msg296376
bpo-30351https://bugs.python.org/issue30351
http://buildbot.python.org/all/builders/AMD64%20Debian%20root%203.x/builds/928/steps/test/logs/stdiohttp://buildbot.python.org/all/builders/AMD64%20Debian%20root%203.x/builds/928/steps/test/logs/stdio
msg296419https://bugs.python.org/issue30703#msg296419
(view)https://bugs.python.org/msg296419
selectors.pyhttps://github.com/python/cpython/blob/main/Lib/selectors.py#L415
multiprocessing/connection.pyhttps://github.com/python/cpython/blob/main/Lib/multiprocessing/connection.py#L916
multiprocessing/popen_fork.pyhttps://github.com/python/cpython/blob/main/Lib/multiprocessing/popen_fork.py#L45
multiprocessing/process.pyhttps://github.com/python/cpython/blob/main/Lib/multiprocessing/process.py#L121
test/_test_multiprocessing.pyhttps://github.com/python/cpython/blob/main/Lib/test/_test_multiprocessing.py#L431
unittest/case.pyhttps://github.com/python/cpython/blob/main/Lib/unittest/case.py#L605
unittest/case.pyhttps://github.com/python/cpython/blob/main/Lib/unittest/case.py#L653
unittest/suite.pyhttps://github.com/python/cpython/blob/main/Lib/unittest/suite.py#L122
unittest/suite.pyhttps://github.com/python/cpython/blob/main/Lib/unittest/suite.py#L84
unittest/suite.pyhttps://github.com/python/cpython/blob/main/Lib/unittest/suite.py#L122
unittest/suite.pyhttps://github.com/python/cpython/blob/main/Lib/unittest/suite.py#L84
unittest/suite.pyhttps://github.com/python/cpython/blob/main/Lib/unittest/suite.py#L122
unittest/suite.pyhttps://github.com/python/cpython/blob/main/Lib/unittest/suite.py#L84
test/support/__init__.pyhttps://github.com/python/cpython/blob/main/Lib/test/support/__init__.py#L1772
test/support/__init__.pyhttps://github.com/python/cpython/blob/main/Lib/test/support/__init__.py#L1896
test/support/__init__.pyhttps://github.com/python/cpython/blob/main/Lib/test/support/__init__.py#L1936
test/libregrtest/runtest.pyhttps://github.com/python/cpython/blob/main/Lib/test/libregrtest/runtest.py#L168
test/libregrtest/runtest.pyhttps://github.com/python/cpython/blob/main/Lib/test/libregrtest/runtest.py#L169
test/libregrtest/runtest.pyhttps://github.com/python/cpython/blob/main/Lib/test/libregrtest/runtest.py#L137
test/libregrtest/main.pyhttps://github.com/python/cpython/blob/main/Lib/test/libregrtest/main.py#L374
test/libregrtest/main.pyhttps://github.com/python/cpython/blob/main/Lib/test/libregrtest/main.py#L454
test/libregrtest/main.pyhttps://github.com/python/cpython/blob/main/Lib/test/libregrtest/main.py#L530
test/libregrtest/main.pyhttps://github.com/python/cpython/blob/main/Lib/test/libregrtest/main.py#L504
test/libregrtest/main.pyhttps://github.com/python/cpython/blob/main/Lib/test/libregrtest/main.py#L573
test/__main__.pyhttps://github.com/python/cpython/blob/main/Lib/test/__main__.py#L2
runpy.pyhttps://github.com/python/cpython/blob/main/Lib/runpy.py#L85
runpy.pyhttps://github.com/python/cpython/blob/main/Lib/runpy.py#L193
msg296420https://bugs.python.org/issue30703#msg296420
(view)https://bugs.python.org/msg296420
Lib/test/_test_multiprocessing.pyhttps://github.com/python/cpython/blob/master/Lib/test/_test_multiprocessing.py
msg296460https://bugs.python.org/issue30703#msg296460
(view)https://bugs.python.org/msg296460
msg296641https://bugs.python.org/issue30703#msg296641
(view)https://bugs.python.org/msg296641
msg296774https://bugs.python.org/issue30703#msg296774
(view)https://bugs.python.org/msg296774
msg296775https://bugs.python.org/issue30703#msg296775
(view)https://bugs.python.org/msg296775
msg296777https://bugs.python.org/issue30703#msg296777
(view)https://bugs.python.org/msg296777
selectors.pyhttps://github.com/python/cpython/blob/main/Lib/selectors.py#L415
multiprocessing/connection.pyhttps://github.com/python/cpython/blob/main/Lib/multiprocessing/connection.py#L916
multiprocessing/popen_fork.pyhttps://github.com/python/cpython/blob/main/Lib/multiprocessing/popen_fork.py#L45
multiprocessing/process.pyhttps://github.com/python/cpython/blob/main/Lib/multiprocessing/process.py#L121
test/_test_multiprocessing.pyhttps://github.com/python/cpython/blob/main/Lib/test/_test_multiprocessing.py#L431
unittest/case.pyhttps://github.com/python/cpython/blob/main/Lib/unittest/case.py#L605
unittest/case.pyhttps://github.com/python/cpython/blob/main/Lib/unittest/case.py#L653
unittest/suite.pyhttps://github.com/python/cpython/blob/main/Lib/unittest/suite.py#L122
unittest/suite.pyhttps://github.com/python/cpython/blob/main/Lib/unittest/suite.py#L84
unittest/suite.pyhttps://github.com/python/cpython/blob/main/Lib/unittest/suite.py#L122
unittest/suite.pyhttps://github.com/python/cpython/blob/main/Lib/unittest/suite.py#L84
unittest/suite.pyhttps://github.com/python/cpython/blob/main/Lib/unittest/suite.py#L122
unittest/suite.pyhttps://github.com/python/cpython/blob/main/Lib/unittest/suite.py#L84
unittest/runner.pyhttps://github.com/python/cpython/blob/main/Lib/unittest/runner.py#L176
test/support/__init__.pyhttps://github.com/python/cpython/blob/main/Lib/test/support/__init__.py#L1896
test/support/__init__.pyhttps://github.com/python/cpython/blob/main/Lib/test/support/__init__.py#L1936
test/libregrtest/runtest.pyhttps://github.com/python/cpython/blob/main/Lib/test/libregrtest/runtest.py#L168
test/libregrtest/runtest.pyhttps://github.com/python/cpython/blob/main/Lib/test/libregrtest/runtest.py#L169
test/libregrtest/runtest.pyhttps://github.com/python/cpython/blob/main/Lib/test/libregrtest/runtest.py#L137
test/libregrtest/main.pyhttps://github.com/python/cpython/blob/main/Lib/test/libregrtest/main.py#L374
test/libregrtest/main.pyhttps://github.com/python/cpython/blob/main/Lib/test/libregrtest/main.py#L454
test/libregrtest/main.pyhttps://github.com/python/cpython/blob/main/Lib/test/libregrtest/main.py#L530
test/libregrtest/main.pyhttps://github.com/python/cpython/blob/main/Lib/test/libregrtest/main.py#L504
test/libregrtest/main.pyhttps://github.com/python/cpython/blob/main/Lib/test/libregrtest/main.py#L573
test/__main__.pyhttps://github.com/python/cpython/blob/main/Lib/test/__main__.py#L2
runpy.pyhttps://github.com/python/cpython/blob/main/Lib/runpy.py#L85
runpy.pyhttps://github.com/python/cpython/blob/main/Lib/runpy.py#L193
msg296778https://bugs.python.org/issue30703#msg296778
(view)https://bugs.python.org/msg296778
msg296824https://bugs.python.org/issue30703#msg296824
(view)https://bugs.python.org/msg296824
msg296876https://bugs.python.org/issue30703#msg296876
(view)https://bugs.python.org/msg296876
https://bugs.python.org/issue11768https://bugs.python.org/issue11768
http://man7.org/linux/man-pages/man7/signal-safety.7.htmlhttp://man7.org/linux/man-pages/man7/signal-safety.7.html
msg296879https://bugs.python.org/issue30703#msg296879
(view)https://bugs.python.org/msg296879
msg296881https://bugs.python.org/issue30703#msg296881
(view)https://bugs.python.org/msg296881
https://bugs.python.org/issue11768https://bugs.python.org/issue11768
msg296895https://bugs.python.org/issue30703#msg296895
(view)https://bugs.python.org/msg296895
msg296897https://bugs.python.org/issue30703#msg296897
(view)https://bugs.python.org/msg296897
msg296903https://bugs.python.org/issue30703#msg296903
(view)https://bugs.python.org/msg296903
https://github.com/python/cpython/pull/2408https://github.com/python/cpython/pull/2408
msg296905https://bugs.python.org/issue30703#msg296905
(view)https://bugs.python.org/msg296905
msg297208https://bugs.python.org/issue30703#msg297208
(view)https://bugs.python.org/msg297208
https://github.com/python/cpython/pull/2415https://github.com/python/cpython/pull/2415
msg297234https://bugs.python.org/issue30703#msg297234
(view)https://bugs.python.org/msg297234
c08177a1ccad2ed0d50898c2731b518c631aed14https://hg.python.org/lookup/c08177a1ccad2ed0d50898c2731b518c631aed14
bpo-30703https://bugs.python.org/issue30703
#2415https://bugs.python.org/issue2415
https://github.com/python/cpython/commit/c08177a1ccad2ed0d50898c2731b518c631aed14https://github.com/python/cpython/commit/c08177a1ccad2ed0d50898c2731b518c631aed14
msg297361https://bugs.python.org/issue30703#msg297361
(view)https://bugs.python.org/msg297361
msg297405https://bugs.python.org/issue30703#msg297405
(view)https://bugs.python.org/msg297405
42bc8beadd49https://hg.python.org/lookup/42bc8beadd49
msg297413https://bugs.python.org/issue30703#msg297413
(view)https://bugs.python.org/msg297413
msg297418https://bugs.python.org/issue30703#msg297418
(view)https://bugs.python.org/msg297418
msg297484https://bugs.python.org/issue30703#msg297484
(view)https://bugs.python.org/msg297484
3024c0529077f5cff0b32dc84b5923c8fba99a87https://hg.python.org/lookup/3024c0529077f5cff0b32dc84b5923c8fba99a87
bpo-30703https://bugs.python.org/issue30703
GH-2415https://github.com/python/cpython/pull/2415
#2527https://bugs.python.org/issue2527
https://github.com/python/cpython/commit/3024c0529077f5cff0b32dc84b5923c8fba99a87https://github.com/python/cpython/commit/3024c0529077f5cff0b32dc84b5923c8fba99a87
eric.snowhttps://bugs.python.org/user14000
pull_request2652https://bugs.python.org/pull_request2652
msg297484https://bugs.python.org/msg297484
pull_request2592https://bugs.python.org/pull_request2592
msg297418https://bugs.python.org/msg297418
msg297413https://bugs.python.org/msg297413
msg297405https://bugs.python.org/msg297405
msg297361https://bugs.python.org/msg297361
msg297234https://bugs.python.org/msg297234
msg297208https://bugs.python.org/msg297208
pull_request2473https://bugs.python.org/pull_request2473
msg296905https://bugs.python.org/msg296905
PyThread_acquire_lock can block even when asked not othttps://bugs.python.org/issue30765
Make CHECK_STATUS_PTHREAD signal-safehttps://bugs.python.org/issue30766
msg296903https://bugs.python.org/msg296903
kristjan.jonssonhttps://bugs.python.org/user2217
msg296897https://bugs.python.org/msg296897
pull_request2456https://bugs.python.org/pull_request2456
msg296895https://bugs.python.org/msg296895
PyThread_acquire_lock can block even when asked not othttps://bugs.python.org/issue30765
Make CHECK_STATUS_PTHREAD signal-safehttps://bugs.python.org/issue30766
msg296881https://bugs.python.org/msg296881
msg296879https://bugs.python.org/msg296879
njshttps://bugs.python.org/user9811
neologixhttps://bugs.python.org/user12146
msg296876https://bugs.python.org/msg296876
msg296824https://bugs.python.org/msg296824
msg296778https://bugs.python.org/msg296778
msg296777https://bugs.python.org/msg296777
msg296775https://bugs.python.org/msg296775
msg296774https://bugs.python.org/msg296774
pitrouhttps://bugs.python.org/user2040
msg296641https://bugs.python.org/msg296641
msg296460https://bugs.python.org/msg296460
msg296420https://bugs.python.org/msg296420
mattbillensteinhttps://bugs.python.org/user26409
msg296419https://bugs.python.org/msg296419
msg296376https://bugs.python.org/msg296376
ronaldoussorenhttps://bugs.python.org/user925
ned.deilyhttps://bugs.python.org/user5248
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