Function isPidAlive

src/utils/process-liveness.ts:1–13

(pid: number)

export function isPidAlive(pid: number): boolean {
  if (!Number.isInteger(pid) || pid <= 0) {
    return false;
  }

  try {
    process.kill(pid, 0);
    return true;
  } catch (error) {
    const code = (error as NodeJS.ErrnoException).code;
    return code !== 'ESRCH';
  }
}