Function wait_for_worker

document/en/ps5/exploit.js:33–43

()

//Make sure worker is alive?
async function wait_for_worker() {
    let p1 = await new Promise((resolve) => {
        const channel = new MessageChannel();
        channel.port1.onmessage = () => {
            channel.port1.close();
            resolve(1);
        }
        worker.postMessage(0, [channel.port2]);
    });
    return p1;
}

function find_worker() {