exports.handler = async function (event, context, callback) {
    return new Promise((resolve, reject) => {
        const cluster = require('cluster')
        if (cluster.isMaster) {
            // 创建子进程模拟线上请求的隔离方便global变量的使用保持与FC环境的一致性
            const worker = cluster.fork()
            worker.on('message', (msg) => {
                // console.log(msg,typeof msg)
                resolve(msg)
            })
            worker.on('error', error => {
                // console.log(error)
            })
            worker.on('exit', function (worker, code, signal) {
                // console.log('Worker %d died with code/signal %s. Restarting worker...', worker.process.pid, signal || code);
                // cluster.fork();
            })
        } else {
            console.log(event, context, callback)
            // callback()
            process.on('unhandledRejection', (err) => {
                // console.log('unhandledRejection', err)
                // process.send('aaaa')
                process.exit()
            })
            process.on('uncaughtException', (err) => {
                // console.log('uncaughtException', err)
                // process.send('aaaa')
                process.exit()
            })
            // throw new Error('asxxxxx')
            process.send({a: 'aaaa', b: 'bbbb'})
            process.exit()
        }
    })
}

exports.handler(1, 2, () => {
    // console.log('xxxxxxxx')
}).then(data => {
    console.log(data)
})