Function process_exists

ci/docker_utils/container_db.py:345–368

Check if a process with given PID is running. Args: pid: Process ID to check Returns: True if process exists, False otherwise

(pid: int)

def process_exists(pid: int) -> bool:
    """Check if a process with given PID is running.

    Args:
        pid: Process ID to check

    Returns:
        True if process exists, False otherwise
    """
    try:
        # os.kill with signal 0 doesn't actually kill the process,
        # it just checks if we can send a signal to it
        os.kill(pid, 0)
        return True
    except ProcessLookupError:
        return False
    except PermissionError:
        # Process exists but we don't have permission to signal it
        return True
    except KeyboardInterrupt as ki:
        handle_keyboard_interrupt(ki)
        raise
    except Exception:
        return False


def docker_container_exists(container_name: str) -> Optional[str]: