diff options
-rw-r--r-- | Include/cpython/pystate.h | 1 | ||||
-rw-r--r-- | Include/internal/pycore_pystate.h | 6 | ||||
-rw-r--r-- | Python/import.c | 70 | ||||
-rw-r--r-- | Python/pystate.c | 39 |
4 files changed, 70 insertions, 46 deletions
diff --git a/Include/cpython/pystate.h b/Include/cpython/pystate.h index 6c8d2ae..d179257 100644 --- a/Include/cpython/pystate.h +++ b/Include/cpython/pystate.h @@ -147,7 +147,6 @@ struct _ts { The caller must hold the GIL.*/ PyAPI_FUNC(PyInterpreterState *) _PyInterpreterState_Get(void); -PyAPI_FUNC(int) _PyState_AddModule(PyObject*, struct PyModuleDef*); PyAPI_FUNC(PyThreadState *) _PyThreadState_Prealloc(PyInterpreterState *); /* Similar to PyThreadState_Get(), but don't issue a fatal error diff --git a/Include/internal/pycore_pystate.h b/Include/internal/pycore_pystate.h index 936e9cb..aa2103f 100644 --- a/Include/internal/pycore_pystate.h +++ b/Include/internal/pycore_pystate.h @@ -324,6 +324,12 @@ extern void _PyInterpreterState_ClearModules(PyInterpreterState *interp); PyAPI_FUNC(void) _PyGILState_Reinit(_PyRuntimeState *runtime); + +PyAPI_FUNC(int) _PyState_AddModule( + PyThreadState *tstate, + PyObject* module, + struct PyModuleDef* def); + #ifdef __cplusplus } #endif diff --git a/Python/import.c b/Python/import.c index ac3d10c..923c6d0 100644 --- a/Python/import.c +++ b/Python/import.c @@ -695,50 +695,62 @@ int _PyImport_FixupExtensionObject(PyObject *mod, PyObject *name, PyObject *filename, PyObject *modules) { - PyObject *dict, *key; - struct PyModuleDef *def; - int res; - if (extensions == NULL) { - extensions = PyDict_New(); - if (extensions == NULL) - return -1; - } if (mod == NULL || !PyModule_Check(mod)) { PyErr_BadInternalCall(); return -1; } - def = PyModule_GetDef(mod); + + struct PyModuleDef *def = PyModule_GetDef(mod); if (!def) { PyErr_BadInternalCall(); return -1; } - if (PyObject_SetItem(modules, name, mod) < 0) + + PyThreadState *tstate = _PyThreadState_GET(); + if (PyObject_SetItem(modules, name, mod) < 0) { return -1; - if (_PyState_AddModule(mod, def) < 0) { + } + if (_PyState_AddModule(tstate, mod, def) < 0) { PyMapping_DelItem(modules, name); return -1; } - if (def->m_size == -1) { - if (def->m_base.m_copy) { - /* Somebody already imported the module, - likely under a different name. - XXX this should really not happen. */ - Py_CLEAR(def->m_base.m_copy); + + if (_Py_IsMainInterpreter(tstate)) { + if (def->m_size == -1) { + if (def->m_base.m_copy) { + /* Somebody already imported the module, + likely under a different name. + XXX this should really not happen. */ + Py_CLEAR(def->m_base.m_copy); + } + PyObject *dict = PyModule_GetDict(mod); + if (dict == NULL) { + return -1; + } + def->m_base.m_copy = PyDict_Copy(dict); + if (def->m_base.m_copy == NULL) { + return -1; + } } - dict = PyModule_GetDict(mod); - if (dict == NULL) + + if (extensions == NULL) { + extensions = PyDict_New(); + if (extensions == NULL) { + return -1; + } + } + + PyObject *key = PyTuple_Pack(2, filename, name); + if (key == NULL) { return -1; - def->m_base.m_copy = PyDict_Copy(dict); - if (def->m_base.m_copy == NULL) + } + int res = PyDict_SetItem(extensions, key, (PyObject *)def); + Py_DECREF(key); + if (res < 0) { return -1; + } } - key = PyTuple_Pack(2, filename, name); - if (key == NULL) - return -1; - res = PyDict_SetItem(extensions, key, (PyObject *)def); - Py_DECREF(key); - if (res < 0) - return -1; + return 0; } @@ -801,7 +813,7 @@ import_find_extension(PyThreadState *tstate, PyObject *name, } Py_DECREF(mod); } - if (_PyState_AddModule(mod, def) < 0) { + if (_PyState_AddModule(tstate, mod, def) < 0) { PyMapping_DelItem(modules, name); return NULL; } diff --git a/Python/pystate.c b/Python/pystate.c index 0a6d035..d792380 100644 --- a/Python/pystate.c +++ b/Python/pystate.c @@ -661,9 +661,8 @@ PyState_FindModule(struct PyModuleDef* module) } int -_PyState_AddModule(PyObject* module, struct PyModuleDef* def) +_PyState_AddModule(PyThreadState *tstate, PyObject* module, struct PyModuleDef* def) { - PyInterpreterState *state; if (!def) { assert(PyErr_Occurred()); return -1; @@ -673,37 +672,45 @@ _PyState_AddModule(PyObject* module, struct PyModuleDef* def) "PyState_AddModule called on module with slots"); return -1; } - state = _PyInterpreterState_GET_UNSAFE(); - if (!state->modules_by_index) { - state->modules_by_index = PyList_New(0); - if (!state->modules_by_index) + + PyInterpreterState *interp = tstate->interp; + if (!interp->modules_by_index) { + interp->modules_by_index = PyList_New(0); + if (!interp->modules_by_index) { return -1; + } } - while (PyList_GET_SIZE(state->modules_by_index) <= def->m_base.m_index) - if (PyList_Append(state->modules_by_index, Py_None) < 0) + + while (PyList_GET_SIZE(interp->modules_by_index) <= def->m_base.m_index) { + if (PyList_Append(interp->modules_by_index, Py_None) < 0) { return -1; + } + } + Py_INCREF(module); - return PyList_SetItem(state->modules_by_index, + return PyList_SetItem(interp->modules_by_index, def->m_base.m_index, module); } int PyState_AddModule(PyObject* module, struct PyModuleDef* def) { - Py_ssize_t index; - PyInterpreterState *state = _PyInterpreterState_GET_UNSAFE(); if (!def) { Py_FatalError("PyState_AddModule: Module Definition is NULL"); return -1; } - index = def->m_base.m_index; - if (state->modules_by_index && - index < PyList_GET_SIZE(state->modules_by_index) && - module == PyList_GET_ITEM(state->modules_by_index, index)) { + + PyThreadState *tstate = _PyThreadState_GET(); + PyInterpreterState *interp = tstate->interp; + Py_ssize_t index = def->m_base.m_index; + if (interp->modules_by_index && + index < PyList_GET_SIZE(interp->modules_by_index) && + module == PyList_GET_ITEM(interp->modules_by_index, index)) + { Py_FatalError("PyState_AddModule: Module already added!"); return -1; } - return _PyState_AddModule(module, def); + return _PyState_AddModule(tstate, module, def); } int |