Function isProcessAlive

browse/src/error-handling.ts:40–58

(pid: number)

/** Check if a PID is alive. Pure boolean probe — returns false for ALL errors. */
export function isProcessAlive(pid: number): boolean {
  if (IS_WINDOWS) {
    try {
      const result = Bun.spawnSync(
        ['tasklist', '/FI', `PID eq ${pid}`, '/NH', '/FO', 'CSV'],
        { stdout: 'pipe', stderr: 'pipe', timeout: 3000 }
      );
      return result.stdout.toString().includes(`"${pid}"`);
    } catch {
      return false;
    }
  }
  try {
    process.kill(pid, 0);
    return true;
  } catch {
    return false;
  }
}