diff options
Diffstat (limited to 'Include/internal/pycore_lock.h')
| -rw-r--r-- | Include/internal/pycore_lock.h | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/Include/internal/pycore_lock.h b/Include/internal/pycore_lock.h index 7484b05d7f2..585120108cf 100644 --- a/Include/internal/pycore_lock.h +++ b/Include/internal/pycore_lock.h @@ -25,13 +25,6 @@ PyMutex_LockFast(PyMutex *m) return _Py_atomic_compare_exchange_uint8(lock_bits, &expected, _Py_LOCKED); } -// Checks if the mutex is currently locked. -static inline int -PyMutex_IsLocked(PyMutex *m) -{ - return (_Py_atomic_load_uint8(&m->_bits) & _Py_LOCKED) != 0; -} - // Re-initializes the mutex after a fork to the unlocked state. static inline void _PyMutex_at_fork_reinit(PyMutex *m) @@ -48,6 +41,14 @@ typedef enum _PyLockFlags { // Handle signals if interrupted while waiting on the lock. _PY_LOCK_HANDLE_SIGNALS = 2, + + // Fail if interrupted by a signal while waiting on the lock. + _PY_FAIL_IF_INTERRUPTED = 4, + + // Locking & unlocking this lock requires attached thread state. + // If locking returns PY_LOCK_FAILURE, a Python exception *may* be raised. + // (Intended for use with _PY_LOCK_HANDLE_SIGNALS and _PY_LOCK_DETACH.) + _PY_LOCK_PYTHONLOCK = 8, } _PyLockFlags; // Lock a mutex with an optional timeout and additional options. See |