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[WIP] bpo-33608: Factor out a private, per-interpreter _Py_AddPendingCall(). #9334

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ericsnowcurrently wants to merge 18 commits into from
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[WIP] bpo-33608: Factor out a private, per-interpreter _Py_AddPendingCall(). #9334

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3b8cb64
Zero-out PyInterpreterState when initializing.
ericsnowcurrently Sep 10, 2018
26e0966
Move pending calls from _PyRuntimeState to PyIntepreterState.
ericsnowcurrently Jul 13, 2018
9ebc65b
Explicitly pass the interpreter to the stateful ceval macros.
ericsnowcurrently Sep 10, 2018
c8ec310
Add a note about pending calls during interpreter cleanup.
ericsnowcurrently Jul 13, 2018
4366960
main -> active
ericsnowcurrently Sep 12, 2018
10a46ce
Move "active_thread" up to PyInterpreterState.ceval.
ericsnowcurrently Sep 12, 2018
47fb254
Add a flag to track if an interpreter is active.
ericsnowcurrently Sep 14, 2018
08102dd
Tie interpreter activity to the GIL.
ericsnowcurrently Sep 14, 2018
d84f5f4
Do not bother if no tstate provided.
ericsnowcurrently Sep 14, 2018
5f06899
Use the internal function.
ericsnowcurrently Sep 14, 2018
93f2706
Use _Py_AddPendingCall() for releasing shared data.
ericsnowcurrently Sep 14, 2018
6db2288
Drop an outdated TODO comment.
ericsnowcurrently Sep 15, 2018
1ceba05
Make any remaining pending calls before shutdown.
ericsnowcurrently Sep 15, 2018
331728d
Forcibly mark the interpreter as active.
ericsnowcurrently Sep 15, 2018
3faea72
Prevent adding pending calls if finalizing.
ericsnowcurrently Sep 15, 2018
9d7c14f
Add a NEWS entry.
ericsnowcurrently Sep 15, 2018
dd5f656
Add _PyRuntimeState.main_thread.
ericsnowcurrently Sep 15, 2018
178e2b8
Optionally lock a pending call to a specific thread.
ericsnowcurrently Sep 15, 2018
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Make any remaining pending calls before shutdown.
  • Loading branch information
@ericsnowcurrently
ericsnowcurrently committed Sep 15, 2018
commit 1ceba050231c1eac0f8ca7bc024829e6a2ea3da8
15 changes: 15 additions & 0 deletions Python/pylifecycle.c
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Expand Up @@ -1417,6 +1417,21 @@ Py_EndInterpreter(PyThreadState *tstate)
Py_FatalError("Py_EndInterpreter: thread still has a frame");

wait_for_thread_shutdown();
// XXX Forcibly mark current thread as active?
assert(interp->ceval.active);
assert(interp->ceval.active_thread == PyThread_get_thread_ident());

if (_Py_atomic_load_relaxed(
&(interp->ceval.pending.calls_to_do)))
{
if (_Py_MakePendingCalls(interp) < 0) {
PyObject *exc, *val, *tb;
PyErr_Fetch(&exc, &val, &tb);
PyErr_BadInternalCall();
_PyErr_ChainExceptions(exc, val, tb);
PyErr_Print();
}
}

call_py_exitfuncs(interp);

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2 changes: 0 additions & 2 deletions Python/pystate.c
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Expand Up @@ -189,8 +189,6 @@ void
PyInterpreterState_Clear(PyInterpreterState *interp)
{
PyThreadState *p;
// XXX Also ensure that all pending calls have been made. Disallow
// registration of more pending calls.
HEAD_LOCK();
for (p = interp->tstate_head; p != NULL; p = p->next)
PyThreadState_Clear(p);
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