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>
18 lines
717 B
JavaScript
18 lines
717 B
JavaScript
// Copyright 2021 the V8 project authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
// Try to catch TSAN issues with access to SharedArrayBuffer.
|
|
|
|
function onmessage({data:[buf]}) {
|
|
const arr = new Int32Array(buf);
|
|
for (let val = 1; val < 100; ++val) arr.fill(val);
|
|
}
|
|
const arr = new Int32Array(new SharedArrayBuffer(4));
|
|
const worker = new Worker(`onmessage = ${onmessage}`, { type: 'string' });
|
|
worker.postMessage([arr.buffer]);
|
|
// Wait until the worker starts filling the array.
|
|
while (Atomics.load(arr) == 0) { }
|
|
// Try creating a slice of the shared array buffer that races with the fill.
|
|
const slice = arr.slice(0, 1);
|