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Diffstat (limited to 'docs/cloud9.md')
| -rw-r--r-- | docs/cloud9.md | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/docs/cloud9.md b/docs/cloud9.md index d030db1d..6eb76238 100644 --- a/docs/cloud9.md +++ b/docs/cloud9.md @@ -16,11 +16,14 @@ Mounting, Unix namespace discovery and permissions, the editor event loop, connection limits, and exported tree policy remain here. The Unix and TCP listeners run on cloud9's `serve.Runner` (`std.Io`: an accept task per listener, a reader and a writer task per connection, four slots); its handler -queues every backend request for the editor's thread, which answers them all -in `Listener.tick` after each editor update, retries parked reads there, and -has the runner ship the replies. `src/9p_quic.zig` selects the existing -`pardes-9p` ALPN for cloud9's optional OpenSSL transport; QUIC still runs on -the poll loop in `src/9p_io.zig`, since cloud9's QUIC adapter is +answers every backend request on the connection's task, taking the editor's +turn with the core (`pardes.turn`) while the editor waits for input or is out +in a syscall. A request that would change a pane while the editor is mid-step +is parked with `Status.again` -- the engine parks reads, writes, opens, +truncations, clunks and removes -- and retried by `Runner.wakeAll` when the +editor next rests. `src/9p_quic.zig` selects the existing `pardes-9p` ALPN for +cloud9's optional OpenSSL transport; QUIC still runs on the poll loop in +`src/9p_io.zig` on the editor's thread, since cloud9's QUIC adapter is nonblocking-descriptor based rather than `std.Io` based. The standalone protocol/GPIO tests import the same module. The separate `05-zig-p4` build also supplies cloud9 for the GPIO firmware entry. |