Function _write_to_file

log.py:209–221

(message: str)

def _write_to_file(message: str):
    if _file_writing_disabled:
        return
    # deque.append 在 CPython 受 GIL 保护，无需额外锁
    if len(_log_deque) >= _MAX_QUEUE_SIZE:
        return  # 过载保护：丢弃而非阻塞
    _log_deque.append(message)
    # 非阻塞通知 writer（acquire 失败直接跳过，不影响主线程）
    if _deque_condition.acquire(blocking=False):
        try:
            _deque_condition.notify()
        finally:
            _deque_condition.release()


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