Function is_daemon_running

ci/util/pio_package_client.py:52–85

Check if daemon is running, clean up stale PID files. Returns: True if daemon is running, False otherwise

()

def is_daemon_running() -> bool:
    """Check if daemon is running, clean up stale PID files.

    Returns:
        True if daemon is running, False otherwise
    """
    if not PID_FILE.exists():
        return False

    try:
        with open(PID_FILE, "r") as f:
            pid = int(f.read().strip())

        # Check if process exists
        if psutil.pid_exists(pid):
            return True
        else:
            # Stale PID file - remove it
            print(f"Removing stale PID file: {PID_FILE}")
            PID_FILE.unlink()
            return False
    except KeyboardInterrupt as ki:
        handle_keyboard_interrupt(ki)
        raise
    except Exception:
        # Corrupted PID file - remove it
        try:
            PID_FILE.unlink(missing_ok=True)
        except KeyboardInterrupt as ki:
            handle_keyboard_interrupt(ki)
            raise
        except Exception:
            pass
        return False


def start_daemon() -> None: