import { setTimeout as delay } from 'node:timers/promises';

// Only handles child objects created by this process. No port/name-based kills.
export async function stopOwnedChild(child, { graceful = false, timeout = 20000 } = {}) {
  if (!child || child.exitCode !== null || child.signalCode !== null) return;
  const exited = new Promise(resolve => child.once('exit', resolve));
  if (graceful && child.stdin && !child.stdin.destroyed) {
    child.stdin.on('error', () => {});
    child.stdin.end();
  } else {
    child.kill();
  }
  await Promise.race([exited, delay(timeout, undefined, { ref: false })]);
  if (child.exitCode === null && child.signalCode === null) {
    child.kill();
    await Promise.race([exited, delay(3000, undefined, { ref: false })]);
  }
}