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comparison Python/import.c @ 78900:85070f284fd2

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Issue #15781: Fix two small race conditions in import's module locking.
author Antoine Pitrou <solipsis@pitrou.net>
date Tue, 28 Aug 2012 00:24:52 +0200
parents b878df1d23b1
children 3f6db10b7a69
comparison
equal deleted inserted replaced
78899:4e941113e4fa 78900:85070f284fd2
1406 else if (mod != NULL) { 1406 else if (mod != NULL) {
1407 PyObject *value; 1407 PyObject *value;
1408 int initializing = 0; 1408 int initializing = 0;
1409 1409
1410 Py_INCREF(mod); 1410 Py_INCREF(mod);
1411 /* Only call _bootstrap._lock_unlock_module() if __initializing__ is true. */ 1411 /* Optimization: only call _bootstrap._lock_unlock_module() if
1412 __initializing__ is true.
1413 NOTE: because of this, __initializing__ must be set *before*
1414 stuffing the new module in sys.modules.
1415 */
1412 value = _PyObject_GetAttrId(mod, &PyId___initializing__); 1416 value = _PyObject_GetAttrId(mod, &PyId___initializing__);
1413 if (value == NULL) 1417 if (value == NULL)
1414 PyErr_Clear(); 1418 PyErr_Clear();
1415 else { 1419 else {
1416 initializing = PyObject_IsTrue(value); 1420 initializing = PyObject_IsTrue(value);