diff options
Diffstat (limited to 'Python')
| -rw-r--r-- | Python/lock.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/Python/lock.c b/Python/lock.c index 5fa8bf7..de25adc 100644 --- a/Python/lock.c +++ b/Python/lock.c @@ -249,6 +249,13 @@ _PyRawMutex_UnlockSlow(_PyRawMutex *m) } } +int +_PyEvent_IsSet(PyEvent *evt) +{ + uint8_t v = _Py_atomic_load_uint8(&evt->v); + return v == _Py_LOCKED; +} + void _PyEvent_Notify(PyEvent *evt) { @@ -297,6 +304,30 @@ PyEvent_WaitTimed(PyEvent *evt, PyTime_t timeout_ns) } } +_PyEventRc * +_PyEventRc_New(void) +{ + _PyEventRc *erc = (_PyEventRc *)PyMem_RawCalloc(1, sizeof(_PyEventRc)); + if (erc != NULL) { + erc->refcount = 1; + } + return erc; +} + +void +_PyEventRc_Incref(_PyEventRc *erc) +{ + _Py_atomic_add_ssize(&erc->refcount, 1); +} + +void +_PyEventRc_Decref(_PyEventRc *erc) +{ + if (_Py_atomic_add_ssize(&erc->refcount, -1) == 1) { + PyMem_RawFree(erc); + } +} + static int unlock_once(_PyOnceFlag *o, int res) { |