Function acquireDaemonLock

src/daemon/server/server-lifecycle.ts:71–102

(
  baseDir: string,
  lockPath: string,
  lockData: DaemonLockInfo,
)

}

export function acquireDaemonLock(
  baseDir: string,
  lockPath: string,
  lockData: DaemonLockInfo,
): boolean {
  if (!fs.existsSync(baseDir)) fs.mkdirSync(baseDir, { recursive: true });
  const payload = JSON.stringify(lockData, null, 2);

  const tryWriteLock = (): boolean => {
    try {
      fs.writeFileSync(lockPath, payload, { flag: 'wx', mode: 0o600 });
      return true;
    } catch (err) {
      if ((err as NodeJS.ErrnoException).code === 'EEXIST') return false;
      throw err;
    }
  };

  if (tryWriteLock()) return true;
  const existing = readLockInfo(lockPath);
  if (
    existing?.pid &&
    existing.pid !== process.pid &&
    isAgentDeviceDaemonProcess(existing.pid, existing.processStartTime)
  ) {
    return false;
  }
  try {
    fs.unlinkSync(lockPath);
  } catch {}
  return tryWriteLock();
}

export function releaseDaemonLock(lockPath: string): void {
  const existing = readLockInfo(lockPath);