Function shutdown

src/daemon/server/daemon-runtime.ts:241–270

(shutdownOptions: { exitCode?: number; cause?: unknown } = {})

  let shuttingDown = false;
  const shutdown = async (shutdownOptions: { exitCode?: number; cause?: unknown } = {}) => {
    if (shuttingDown) return;
    shuttingDown = true;
    if (shutdownOptions.cause) {
      await emitFatalDiagnostic(shutdownOptions.cause);
    }
    await closeDaemonServers(servers);
    // Hand healthy simulator runners off to the next daemon before session
    // teardown gets a chance to kill them; everything left after this
    // (real devices, unhealthy runners) goes through the normal stop path.
    const { detachIosSimulatorRunnerSessionsForShutdown, stopAllIosRunnerSessions } =
      await import('../../platforms/apple/core/runner/runner-client.ts');
    try {
      await detachIosSimulatorRunnerSessionsForShutdown();
    } catch {}
    await teardownDaemonSessions();
    await Promise.allSettled(
      providerDeviceRuntimes.map(async (runtime) => await runtime.shutdown()),
    );
    await stopAllIosRunnerSessions();
    // Best effort: stop the PNG worker so an in-flight job cannot delay exit.
    await Promise.race([
      terminatePngWorker().catch(() => {}),
      sleep(DAEMON_PNG_WORKER_TERMINATE_TIMEOUT_MS),
    ]);
    removeInfo(infoPath);
    releaseDaemonLock(lockPath);
    setRunnerLeaseOwnerStateDir(undefined);
    exit(shutdownOptions.exitCode ?? 0);
  };

  if (options.registerProcessHandlers !== false) {
    process.on('SIGINT', () => {