| // Copyright 2020 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| self.addEventListener('message', (m) => { |
| const sharedArray = new Int32Array(m.data); |
| var i = 0; |
| // Notify main thread that execution started. |
| Atomics.store(sharedArray, i++, 1); |
| // Wait for the main thread to enter the blocking loop. |
| Atomics.wait(sharedArray, i++, 1); |
| // Make the update for the main thread to exit the loop. |
| Atomics.store(sharedArray, i, 1); |
| }); |
