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bpo-16500: Allow registering at-fork handlers (#1715)

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* bpo-16500: Allow registering at-fork handlers

* Address Serhiy's comments

* Add doc for new C API

* Add doc for new Python-facing function

* Add NEWS entry + doc nit
This commit is contained in:
Antoine Pitrou 2017-05-27 17:50:54 +02:00 • committed by GitHub
parent f931fd1c2a
commit 346cbd351e
15 changed files with 365 additions and 68 deletions
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10
Python/pystate.c
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@ -117,6 +117,11 @@ PyInterpreterState_New(void)
#else
interp->dlopenflags = RTLD_LAZY;
#endif
#endif
#ifdef HAVE_FORK
interp->before_forkers = NULL;
interp->after_forkers_parent = NULL;
interp->after_forkers_child = NULL;
#endif
HEAD_LOCK();
@ -159,6 +164,11 @@ PyInterpreterState_Clear(PyInterpreterState *interp)
Py_CLEAR(interp->builtins_copy);
Py_CLEAR(interp->importlib);
Py_CLEAR(interp->import_func);
#ifdef HAVE_FORK
Py_CLEAR(interp->before_forkers);
Py_CLEAR(interp->after_forkers_parent);
Py_CLEAR(interp->after_forkers_child);
#endif
}