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fix(ext/node): worker_threads.receiveMessageOnPort doesn't panic (#23406)

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Follow up to https://github.com/denoland/deno/pull/23386.
Instead of using async `recv()` method, it was replaced
with a poll based function that doesn't hold onto
RefCell borrow across await point.

Fixes https://github.com/denoland/deno/issues/23362
This commit is contained in:
Bartek Iwańczuk 2024-04-16 19:41:03 +01:00 • committed by GitHub
parent 534dd34f86
commit 760d64bc6b
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2 changed files with 34 additions and 6 deletions
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24
tests/unit_node/worker_threads_test.ts
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@ -418,21 +418,45 @@ Deno.test({
// Regression test for https://github.com/denoland/deno/issues/23362
Deno.test("[node/worker_threads] receiveMessageOnPort works if there's pending read", function () {
const { port1, port2 } = new workerThreads.MessageChannel();
const { port1: port3, port2: port4 } = new workerThreads.MessageChannel();
const { port1: port5, port2: port6 } = new workerThreads.MessageChannel();
const message1 = { hello: "world" };
const message2 = { foo: "bar" };
assertEquals(workerThreads.receiveMessageOnPort(port2), undefined);
port2.start();
port4.start();
port6.start();
port1.postMessage(message1);
port1.postMessage(message2);
port3.postMessage(message1);
port3.postMessage(message2);
port5.postMessage(message1);
port5.postMessage(message2);
assertEquals(workerThreads.receiveMessageOnPort(port2), {
message: message1,
});
assertEquals(workerThreads.receiveMessageOnPort(port2), {
message: message2,
});
assertEquals(workerThreads.receiveMessageOnPort(port4), {
message: message1,
});
assertEquals(workerThreads.receiveMessageOnPort(port4), {
message: message2,
});
assertEquals(workerThreads.receiveMessageOnPort(port6), {
message: message1,
});
assertEquals(workerThreads.receiveMessageOnPort(port6), {
message: message2,
});
port1.close();
port2.close();
port3.close();
port4.close();
port5.close();
port6.close();
});