Function killWindowsTree

packages/runtime/src/process-tree-terminator.ts:190–216

(pid: number)

/** Force-kill a Windows process tree and wait for taskkill's exit status. */
export function killWindowsTree(pid: number): Promise<boolean> {
  return new Promise((resolve) => {
    let settled = false;
    let timeout: NodeJS.Timeout | undefined;
    const finish = (succeeded: boolean) => {
      if (settled) return;
      settled = true;
      if (timeout) clearTimeout(timeout);
      resolve(succeeded);
    };
    try {
      const killer = spawn('taskkill', ['/pid', String(pid), '/t', '/f'], { stdio: 'ignore' });
      killer.once('error', () => finish(false));
      killer.once('close', (code) => finish(code === 0));
      timeout = setTimeout(() => {
        try {
          killer.kill();
        } catch {
          /* taskkill already exited */
        }
        finish(false);
      }, WINDOWS_TASKKILL_TIMEOUT_MS);
    } catch {
      finish(false);
    }
  });
}