Function startSyncLoop

packages/computerd/src/fuse/vfs.ts:127–143

(db: Database, upstream: SyncRPC)

// kill the daemon. The watermarks are durable, so the next tick
// resumes from where the failed one would have.
function startSyncLoop(db: Database, upstream: SyncRPC): () => void {
  let stopped = false;
  const handle = setInterval(() => {
    if (stopped) return;
    tick(db, upstream).catch((error) => {
      console.error("sync tick failed:", error);
    });
  }, SYNC_TICK_MS);
  // Don't block process exit on the timer. computerd's shutdown path
  // calls stopSync() explicitly; this is belt-and-braces.
  handle.unref?.();
  return () => {
    if (stopped) return;
    stopped = true;
    clearInterval(handle);
  };
}