// Copyright 2020 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. // Flags: --harmony-sharedarraybuffer --harmony-atomics-waitasync --expose-gc d8.file.execute("test/mjsunit/harmony/atomics-waitasync-helpers.js"); function workerCode() { onmessage = function() { (function() { const sab = new SharedArrayBuffer(16); const i32a = new Int32Array(sab); // Create a waiter with a timeout. const result = Atomics.waitAsync(i32a, 0, 0, 1); result.value.then( (value) => { postMessage("result " + value); }, () => { postMessage("unexpected"); }); })(); // Make sure sab, ia32 and result get gc()d. gc(); // Even if the buffer went out of scope, we keep the waitAsync alive so that it can still time out. let resolved = false; const sab2 = new SharedArrayBuffer(16); const i32a2 = new Int32Array(sab2); const result2 = Atomics.waitAsync(i32a2, 0, 0); result2.value.then( (value) => { postMessage("result2 " + value); }, () => { postMessage("unexpected"); }); const notify_return_value = Atomics.notify(i32a2, 0); postMessage("notify return value " + notify_return_value); }; } const expected_messages = [ "notify return value 1", "result2 ok", "result timed-out" ]; runTestWithWorker(workerCode, expected_messages);