Function _prepareFork

Lib/logging/__init__.py:228–240

Prepare to fork a new child process by acquiring the module-level lock. This should be used in conjunction with _afterFork().

()

_lock = threading.RLock()

def _prepareFork():
    """
    Prepare to fork a new child process by acquiring the module-level lock.

    This should be used in conjunction with _afterFork().
    """
    # Wrap the lock acquisition in a try-except to prevent the lock from being
    # abandoned in the event of an asynchronous exception. See gh-106238.
    try:
        _lock.acquire()
    except BaseException:
        _lock.release()
        raise

def _afterFork():
    """