如果仅设置了 log_file,而 out_file 和 error_file 都为 NULL,则 fork 模式下的 pm2 reloadLogs 会失败

'use strict';

const EventEmitter = require('events');

const emitter = new EventEmitter(); emitter.on('event', () => { console.log(new Date().toString()); });

async function emitEvent() { await new Promise(resolve => { setTimeout(() => { emitter.emit('event'); resolve(); }, 3000); }); await emitEvent(); }

emitter.emit('event'); Promise.resolve().then(emitEvent);