Function watchdog_timer

test.py:246–279

()

        os._exit(3)  # Exit code 3 = deadman fired (primary watchdog also stuck)

    def watchdog_timer() -> None:
        time.sleep(seconds)
        if _CANCEL_WATCHDOG.is_set():
            return

        warnings.warn(f"Watchdog timer expired after {seconds} seconds.")

        # Release any build locks first, before potentially-blocking diagnostics.
        # If diagnostics hang, the deadman timer will still force-exit, but the
        # lock will already be released so subsequent runs aren't blocked.
        _release_held_build_locks()

        dump_thread_stacks()
        ts_print(f"Watchdog timer expired after {seconds} seconds - forcing exit")

        # Dump outstanding running processes (if any)
        try:
            from ci.util.running_process_manager import (
                RunningProcessManagerSingleton,  # noqa: PLC0415
            )

            RunningProcessManagerSingleton.dump_active()
        except KeyboardInterrupt as ki:
            handle_keyboard_interrupt(ki)
            raise
        except Exception as e:
            ts_print(f"Failed to dump active processes: {e}")

        import traceback  # noqa: PLC0415 - lazy: only imported when watchdog fires

        traceback.print_stack()
        time.sleep(0.5)

        os._exit(2)  # Exit with error code 2 to indicate timeout (SIGTERM)

    thr = threading.Thread(target=watchdog_timer, daemon=True, name="WatchdogTimer")
    thr.start()