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denoland-deno/runtime/ops/web_worker.rs
Bartek Iwańczuk 2e74f164b6
refactor: deno_runtime crate (#8640)
This commit moves Deno JS runtime, ops, permissions and
inspector implementation to new "deno_runtime" crate located
in "runtime/" directory.

Details in "runtime/README.md".

Co-authored-by: Ryan Dahl <ry@tinyclouds.org>
2020-12-13 19:45:53 +01:00

37 lines
1.1 KiB
Rust

// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
use crate::web_worker::WebWorkerHandle;
use crate::web_worker::WorkerEvent;
use deno_core::futures::channel::mpsc;
use deno_core::serde_json::json;
pub fn init(
rt: &mut deno_core::JsRuntime,
sender: mpsc::Sender<WorkerEvent>,
handle: WebWorkerHandle,
) {
// Post message to host as guest worker.
let sender_ = sender.clone();
super::reg_json_sync(
rt,
"op_worker_post_message",
move |_state, _args, bufs| {
assert_eq!(bufs.len(), 1, "Invalid number of arguments");
let msg_buf: Box<[u8]> = (*bufs[0]).into();
sender_
.clone()
.try_send(WorkerEvent::Message(msg_buf))
.expect("Failed to post message to host");
Ok(json!({}))
},
);
// Notify host that guest worker closes.
super::reg_json_sync(rt, "op_worker_close", move |_state, _args, _bufs| {
// Notify parent that we're finished
sender.clone().close_channel();
// Terminate execution of current worker
handle.terminate();
Ok(json!({}))
});
}