diff options
Diffstat (limited to 'Objects/unicodeobject.c')
| -rw-r--r-- | Objects/unicodeobject.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c index c8a07288d39..240f4e76e2a 100644 --- a/Objects/unicodeobject.c +++ b/Objects/unicodeobject.c @@ -1625,7 +1625,7 @@ unicode_modifiable(PyObject *unicode) assert(_PyUnicode_CHECK(unicode)); if (Py_REFCNT(unicode) != 1) return 0; - if (_PyUnicode_HASH(unicode) != -1) + if (FT_ATOMIC_LOAD_SSIZE_RELAXED(_PyUnicode_HASH(unicode)) != -1) return 0; if (PyUnicode_CHECK_INTERNED(unicode)) return 0; @@ -10819,9 +10819,10 @@ _PyUnicode_EqualToASCIIId(PyObject *left, _Py_Identifier *right) if (PyUnicode_CHECK_INTERNED(left)) return 0; - assert(_PyUnicode_HASH(right_uni) != -1); - Py_hash_t hash = _PyUnicode_HASH(left); - if (hash != -1 && hash != _PyUnicode_HASH(right_uni)) { + Py_hash_t right_hash = FT_ATOMIC_LOAD_SSIZE_RELAXED(_PyUnicode_HASH(right_uni)); + assert(right_hash != -1); + Py_hash_t hash = FT_ATOMIC_LOAD_SSIZE_RELAXED(_PyUnicode_HASH(left)); + if (hash != -1 && hash != right_hash) { return 0; } @@ -11306,12 +11307,14 @@ unicode_hash(PyObject *self) #ifdef Py_DEBUG assert(_Py_HashSecret_Initialized); #endif - if (_PyUnicode_HASH(self) != -1) - return _PyUnicode_HASH(self); - + Py_hash_t hash = FT_ATOMIC_LOAD_SSIZE_RELAXED(_PyUnicode_HASH(self)); + if (hash != -1) { + return hash; + } x = _Py_HashBytes(PyUnicode_DATA(self), PyUnicode_GET_LENGTH(self) * PyUnicode_KIND(self)); - _PyUnicode_HASH(self) = x; + + FT_ATOMIC_STORE_SSIZE_RELAXED(_PyUnicode_HASH(self), x); return x; } |