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37 lines
1 KiB
Rust
37 lines
1 KiB
Rust
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
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use crate::web_worker::WebWorkerHandle;
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use crate::web_worker::WorkerEvent;
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use deno_core::error::null_opbuf;
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use deno_core::futures::channel::mpsc;
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pub fn init(
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rt: &mut deno_core::JsRuntime,
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sender: mpsc::Sender<WorkerEvent>,
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handle: WebWorkerHandle,
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) {
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// Post message to host as guest worker.
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let sender_ = sender.clone();
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super::reg_sync(
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rt,
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"op_worker_post_message",
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move |_state, _args: (), buf| {
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let buf = buf.ok_or_else(null_opbuf)?;
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let msg_buf: Box<[u8]> = (*buf).into();
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sender_
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.clone()
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.try_send(WorkerEvent::Message(msg_buf))
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.expect("Failed to post message to host");
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Ok(())
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},
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);
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// Notify host that guest worker closes.
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super::reg_sync(rt, "op_worker_close", move |_state, _args: (), _bufs| {
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// Notify parent that we're finished
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sender.clone().close_channel();
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// Terminate execution of current worker
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handle.terminate();
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Ok(())
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});
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}
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