Function isProcessAlive

src/mcp/daemon.ts:666–675

(pid: number)

 * mistake a live daemon for a dead one and clear its lock.
 */
export function isProcessAlive(pid: number): boolean {
  try {
    process.kill(pid, 0);
    return true;
  } catch (err: unknown) {
    const e = err as NodeJS.ErrnoException;
    if (e.code === 'EPERM') return true; // exists, just not ours to signal
    return false;
  }
}

/**
 * The one `listen()` error we must NOT relocate past. EADDRINUSE means the path