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bpo-30703: Improve signal delivery (#2415)

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* Improve signal delivery

Avoid using Py_AddPendingCall from signal handler, to avoid calling signal-unsafe functions.

* Remove unused function

* Improve comments

* Add stress test

* Adapt for --without-threads

* Add second stress test

* Add NEWS blurb

* Address comments @haypo
This commit is contained in:
Antoine Pitrou 2017-06-28 23:29:29 +02:00 • committed by GitHub
parent 9f3bdcb643
commit c08177a1cc
5 changed files with 171 additions and 37 deletions
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Include/ceval.h
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@ -54,6 +54,7 @@ PyAPI_FUNC(int) PyEval_MergeCompilerFlags(PyCompilerFlags *cf);
#endif
PyAPI_FUNC(int) Py_AddPendingCall(int (*func)(void *), void *arg);
PyAPI_FUNC(void) _PyEval_SignalReceived(void);
PyAPI_FUNC(int) Py_MakePendingCalls(void);
/* Protection against deeply nested recursive calls