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bpo-33608: Factor out a private, per-interpreter _Py_AddPendingCall(). (GH-11617)

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This involves moving the global "pending calls" state to PyInterpreterState.

https://bugs.python.org/issue33608
This commit is contained in:
Eric Snow 2019-02-24 15:40:47 -08:00 • committed by GitHub
parent 463572c8be
commit ef4ac967e2
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 201 additions and 121 deletions
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45
Python/pystate.c
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@ -132,28 +132,19 @@ PyInterpreterState_New(void)
return NULL;
}
memset(interp, 0, sizeof(*interp));
interp->id_refcount = -1;
interp->id_mutex = NULL;
interp->modules = NULL;
interp->modules_by_index = NULL;
interp->sysdict = NULL;
interp->builtins = NULL;
interp->builtins_copy = NULL;
interp->tstate_head = NULL;
interp->check_interval = 100;
interp->num_threads = 0;
interp->pythread_stacksize = 0;
interp->codec_search_path = NULL;
interp->codec_search_cache = NULL;
interp->codec_error_registry = NULL;
interp->codecs_initialized = 0;
interp->fscodec_initialized = 0;
interp->ceval.pending.lock = PyThread_allocate_lock();
if (interp->ceval.pending.lock == NULL) {
PyErr_SetString(PyExc_RuntimeError,
"failed to create interpreter ceval pending mutex");
return NULL;
}
interp->core_config = _PyCoreConfig_INIT;
interp->config = _PyMainInterpreterConfig_INIT;
interp->importlib = NULL;
interp->import_func = NULL;
interp->eval_frame = _PyEval_EvalFrameDefault;
interp->co_extra_user_count = 0;
#ifdef HAVE_DLOPEN
#if HAVE_DECL_RTLD_NOW
interp->dlopenflags = RTLD_NOW;
@ -161,13 +152,10 @@ PyInterpreterState_New(void)
interp->dlopenflags = RTLD_LAZY;
#endif
#endif
#ifdef HAVE_FORK
interp->before_forkers = NULL;
interp->after_forkers_parent = NULL;
interp->after_forkers_child = NULL;
#endif
interp->pyexitfunc = NULL;
interp->pyexitmodule = NULL;
if (_PyRuntime.main_thread == 0) {
_PyRuntime.main_thread = PyThread_get_thread_ident();
}
HEAD_LOCK();
if (_PyRuntime.interpreters.next_id < 0) {
@ -222,6 +210,9 @@ PyInterpreterState_Clear(PyInterpreterState *interp)
Py_CLEAR(interp->after_forkers_parent);
Py_CLEAR(interp->after_forkers_child);
#endif
// XXX Once we have one allocator per interpreter (i.e.
// per-interpreter GC) we must ensure that all of the interpreter's
// objects have been cleaned up at the point.
}
@ -262,6 +253,9 @@ PyInterpreterState_Delete(PyInterpreterState *interp)
if (interp->id_mutex != NULL) {
PyThread_free_lock(interp->id_mutex);
}
if (interp->ceval.pending.lock != NULL) {
PyThread_free_lock(interp->ceval.pending.lock);
}
PyMem_RawFree(interp);
}
@ -871,7 +865,7 @@ PyThreadState_SetAsyncExc(unsigned long id, PyObject *exc)
p->async_exc = exc;
HEAD_UNLOCK();
Py_XDECREF(old_exc);
_PyEval_SignalAsyncExc();
_PyEval_SignalAsyncExc(interp);
return 1;
}
}
@ -1338,6 +1332,7 @@ _PyCrossInterpreterData_Release(_PyCrossInterpreterData *data)
}
// "Release" the data and/or the object.
// XXX Use _Py_AddPendingCall().
_call_in_interpreter(interp, _release_xidata, data);
}