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feat: support SharedArrayBuffer sharing between workers (#11040)

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This commit adds support for sharing SABs between workers.
This commit is contained in:
Luca Casonato 2021-07-06 19:42:52 +02:00 • committed by GitHub
parent 672a88f272
commit bdfad23dd0
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13 changed files with 152 additions and 0 deletions
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28
cli/tests/workers/test.ts
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@ -789,6 +789,34 @@ Deno.test({
},
});
Deno.test({
name: "worker SharedArrayBuffer",
fn: async function (): Promise<void> {
const promise = deferred();
const workerOptions: WorkerOptions = { type: "module" };
const w = new Worker(
new URL("shared_array_buffer.ts", import.meta.url).href,
workerOptions,
);
const sab1 = new SharedArrayBuffer(1);
const sab2 = new SharedArrayBuffer(1);
const bytes1 = new Uint8Array(sab1);
const bytes2 = new Uint8Array(sab2);
assertEquals(bytes1[0], 0);
assertEquals(bytes2[0], 0);
w.onmessage = (): void => {
w.postMessage([sab1, sab2]);
w.onmessage = (): void => {
assertEquals(bytes1[0], 1);
assertEquals(bytes2[0], 2);
promise.resolve();
};
};
await promise;
w.terminate();
},
});
Deno.test({
name: "Send MessagePorts from / to workers",
fn: async function (): Promise<void> {