[issue30703] Non-reentrant signal handler (test_multiprocessing_forkserver hangs)

2019-03-29 Thread Eric Snow 


Change by Eric Snow :


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nosy: +eric.snow

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[issue30703] Non-reentrant signal handler (test_multiprocessing_forkserver hangs)

2017-07-05 Thread Masayuki Yamamoto 

Changes by Masayuki Yamamoto :


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pull_requests: +2652

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[issue30703] Non-reentrant signal handler (test_multiprocessing_forkserver hangs)

2017-07-01 Thread Antoine Pitrou 

Changes by Antoine Pitrou :


--
stage: backport needed -> resolved
status: open -> closed

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[issue30703] Non-reentrant signal handler (test_multiprocessing_forkserver hangs)

2017-07-01 Thread Antoine Pitrou 

Antoine Pitrou added the comment:


New changeset 3024c0529077f5cff0b32dc84b5923c8fba99a87 by Antoine Pitrou in 
branch '3.6':
[3.6] bpo-30703: Improve signal delivery (GH-2415) (#2527)
https://github.com/python/cpython/commit/3024c0529077f5cff0b32dc84b5923c8fba99a87


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[issue30703] Non-reentrant signal handler (test_multiprocessing_forkserver hangs)

2017-07-01 Thread Antoine Pitrou 

Changes by Antoine Pitrou :


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pull_requests: +2592

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[issue30703] Non-reentrant signal handler (test_multiprocessing_forkserver hangs)

2017-06-30 Thread Antoine Pitrou 

Antoine Pitrou added the comment:

Thanks for running such a lengthy test, Matt :-)

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[issue30703] Non-reentrant signal handler (test_multiprocessing_forkserver hangs)

2017-06-30 Thread STINNER Victor 

STINNER Victor added the comment:

I concur with Matt: nice job Antoine, thanks for making Python more reliable ;-)

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[issue30703] Non-reentrant signal handler (test_multiprocessing_forkserver hangs)

2017-06-30 Thread Matt Billenstein 

Matt Billenstein added the comment:

Verified this by letting the test_many_processes loop overnight 
(master@42bc8beadd49)-- 34k passes later and no hangs.  Nice work!

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[issue30703] Non-reentrant signal handler (test_multiprocessing_forkserver hangs)

2017-06-30 Thread Antoine Pitrou 

Antoine Pitrou added the comment:

I will wait a bit and then backport this to 3.6.

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resolution:  -> fixed
stage: patch review -> backport needed
versions: +Python 3.6

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[issue30703] Non-reentrant signal handler (test_multiprocessing_forkserver hangs)

2017-06-28 Thread Antoine Pitrou 

Antoine Pitrou added the comment:


New changeset c08177a1ccad2ed0d50898c2731b518c631aed14 by Antoine Pitrou in 
branch 'master':
bpo-30703: Improve signal delivery (#2415)
https://github.com/python/cpython/commit/c08177a1ccad2ed0d50898c2731b518c631aed14


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[issue30703] Non-reentrant signal handler (test_multiprocessing_forkserver hangs)

2017-06-28 Thread Antoine Pitrou 

Antoine Pitrou added the comment:

For the record, https://github.com/python/cpython/pull/2415 is ready.

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[issue30703] Non-reentrant signal handler (test_multiprocessing_forkserver hangs)

2017-06-26 Thread Antoine Pitrou 

Changes by Antoine Pitrou :


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pull_requests: +2473

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[issue30703] Non-reentrant signal handler (test_multiprocessing_forkserver hangs)

2017-06-26 Thread Kristján Valur Jónsson 

Kristján Valur Jónsson added the comment:

Thanks for the mention, @pitrou.
CCP was using Py_AddPendingCall but not from signal handlers, but external 
threads.  Also on windows only.
You'll also be happy to know that I have left CCP and the Eve codebase is being 
kept stable while regularly adding security patches from the 2.7 codebase, as 
far as I know :)

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[issue30703] Non-reentrant signal handler (test_multiprocessing_forkserver hangs)

2017-06-26 Thread Antoine Pitrou 

Changes by Antoine Pitrou :


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dependencies:  -Make CHECK_STATUS_PTHREAD signal-safe, PyThread_acquire_lock 
can block even when asked not ot

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[issue30703] Non-reentrant signal handler (test_multiprocessing_forkserver hangs)

2017-06-26 Thread Antoine Pitrou 

Changes by Antoine Pitrou :


--
stage:  -> patch review

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[issue30703] Non-reentrant signal handler (test_multiprocessing_forkserver hangs)

2017-06-26 Thread Antoine Pitrou 

Antoine Pitrou added the comment:

It seems https://github.com/python/cpython/pull/2408 alone solves the issue on 
Matt's machine.  It's also a pleasantly simple patch :-)

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[issue30703] Non-reentrant signal handler (test_multiprocessing_forkserver hangs)

2017-06-26 Thread Antoine Pitrou 

Antoine Pitrou added the comment:

I think Kristjan uses Py_AddPendingCall, so ideally we would make it more 
reliable.  However, we're right that for the purpose of signal delivery, we can 
hardcall a call inside Py_MakePendingCalls().

--
nosy: +kristjan.jonsson

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[issue30703] Non-reentrant signal handler (test_multiprocessing_forkserver hangs)

2017-06-26 Thread STINNER Victor 

Changes by STINNER Victor :


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pull_requests: +2456

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[issue30703] Non-reentrant signal handler (test_multiprocessing_forkserver hangs)

2017-06-26 Thread STINNER Victor 

Changes by STINNER Victor :


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title: test_multiprocessing_forkserver hangs on the master branch -> 
Non-reentrant signal handler (test_multiprocessing_forkserver hangs)

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