// |reftest| skip-if(!this.hasOwnProperty('Atomics')||!this.hasOwnProperty('SharedArrayBuffer')||(this.hasOwnProperty('getBuildConfiguration')&&getBuildConfiguration('arm64-simulator'))) -- Atomics,SharedArrayBuffer is not enabled unconditionally, ARM64 Simulator cannot emulate atomics // Copyright (C) 2017 Mozilla Corporation. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-atomics.notify description: > Test that Atomics.notify notifies all waiters if that's what the count is. includes: [atomicsHelper.js] features: [Atomics, SharedArrayBuffer, TypedArray] ---*/ const WAIT_INDEX = 0; // Waiters on this will be woken const RUNNING = 1; // Accounting of live agents const NUMAGENT = 3; const BUFFER_SIZE = 4; for (var i = 0; i < NUMAGENT; i++) { $262.agent.start(` $262.agent.receiveBroadcast(function(sab) { const i32a = new Int32Array(sab); Atomics.add(i32a, ${RUNNING}, 1); $262.agent.report("A " + Atomics.wait(i32a, ${WAIT_INDEX}, 0)); $262.agent.leaving(); }); `); } const i32a = new Int32Array( new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * BUFFER_SIZE) ); $262.agent.safeBroadcast(i32a); // Wait for agents to be running. $262.agent.waitUntil(i32a, RUNNING, NUMAGENT); // Try to yield control to ensure the agent actually started to wait. If we // don't, we risk sending the notification before agents are sleeping, and we hang. $262.agent.tryYield(); // Notify all waiting on WAIT_INDEX, should be 3 always, they won't time out. assert.sameValue( Atomics.notify(i32a, WAIT_INDEX), NUMAGENT, 'Atomics.notify(i32a, WAIT_INDEX) returns the value of `NUMAGENT`' ); for (var i = 0; i < NUMAGENT; i++) { assert.sameValue($262.agent.getReport(), 'A ok', 'The value of reports[i] is "A ok"'); } reportCompare(0, 0);