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Diffstat (limited to 'packages/kernel/kernel.md')
| -rw-r--r-- | packages/kernel/kernel.md | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/packages/kernel/kernel.md b/packages/kernel/kernel.md index 0bb8868..32f2a0d 100644 --- a/packages/kernel/kernel.md +++ b/packages/kernel/kernel.md @@ -138,6 +138,18 @@ spike retired into this — same GL bridge mechanics, now per-surface + real): - **`Server::ui_*` probes are test instrumentation only** (frame_count, orientation, fence_sync_active, touch override, element width) — replaced the spike's `ui_spike_*`. Extensions drive the substrate via `Host::ui()`. +- **The substrate does NOT own an inotify fd.** `UiSurfaceSpec::rml_path` asset + hot-reload (UNBOX_DEV-gated) is registered on the kernel's ONE shared + `FileWatcher` (`src/file_watcher.{hpp,cpp}`) — the same machinery that backs the + public `Host::watch_file`/`FileWatch` service (config hot-reload, UNGATED). Each + file-backed `Surface` holds a `FileWatch` whose callback flags it in + `pending_reloads`, applied (coalesced) at the next `tick_all` on the GL context. + ONE inotify instance per session, created lazily on the first watch (asset OR + watch_file). Only the *decision* to watch UI assets is UNBOX_DEV-gated; the + watcher infra is always available. Watches are dir-watches (editor temp+rename + safe) matched by basename; teardown order: extensions' FileWatch members → + substrate (surface FileWatches) → `Server::Impl::watcher.reset()` (removes the + wl_event_loop source while the loop is still alive) → display destroy. Shared GL/EGL/dmabuf lessons (carried from the spike, still load-bearing): |