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bpo-42639: atexit now logs callbacks exceptions (GH-23771)

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At Python exit, if a callback registered with atexit.register()
fails, its exception is now logged. Previously, only some exceptions
were logged, and the last exception was always silently ignored.

Add _PyAtExit_Call() function and remove
PyInterpreterState.atexit_func member. call_py_exitfuncs() now calls
directly _PyAtExit_Call().

The atexit module must now always be built as a built-in module.
This commit is contained in:
Victor Stinner 2020-12-14 23:07:54 +01:00 • committed by GitHub
parent 83d52044ae
commit 357704c9f2
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8 changed files with 53 additions and 28 deletions
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9
Python/pylifecycle.c
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@ -2632,19 +2632,16 @@ Py_ExitStatusException(PyStatus status)
}
}
/* Clean up and exit */
static void
call_py_exitfuncs(PyThreadState *tstate)
{
PyInterpreterState *interp = tstate->interp;
if (interp->atexit_func == NULL)
return;
interp->atexit_func(interp->atexit_module);
_PyErr_Clear(tstate);
_PyAtExit_Call(tstate->interp->atexit_module);
}
/* Wait until threading._shutdown completes, provided
the threading module was imported in the first place.
The shutdown routine will wait until all non-daemon