9d7cd9b864
PR-URL: https://github.com/nodejs/node/pull/54077 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Richard Lau <rlau@redhat.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
25 lines
751 B
JavaScript
25 lines
751 B
JavaScript
// Copyright 2021 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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const sync_arr = new Int32Array(new SharedArrayBuffer(4));
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function waitForWorker() {
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while (Atomics.load(sync_arr) == 0) {}
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}
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function onmessage({data:[sab, lock]}) {
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const i32a = new Int32Array(sab);
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Atomics.store(lock, 0, 1);
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for (let j = 1; j < 1000; ++j) {
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for (let i = 0; i < i32a.length; ++i) {
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i32a[i] = j;
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}
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}
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}
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const worker = new Worker(`onmessage = ${onmessage}`, {type: 'string'});
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const arr =
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new Int32Array(new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 100));
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worker.postMessage([arr.buffer, sync_arr]);
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waitForWorker();
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arr.sort();
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