worker.isDead()

如果工作进程已终止(由于退出或收到信号),则此函数返回 true。否则,它返回 false。

\This function returns true if the worker's process has terminated (either because of exiting or being signaled). Otherwise, it returns false.

import cluster from 'node:cluster';
import http from 'node:http';
import { availableParallelism } from 'node:os';
import process from 'node:process';
const numCPUs = availableParallelism();
if (cluster.isPrimary) {
 console.log(`Primary ${process.pid} is running`);
 // Fork workers.
 for (let i = 0; i < numCPUs; i++) {
 cluster.fork();
 }
 cluster.on('fork', (worker) => {
 console.log('worker is dead:', worker.isDead());
 });
 cluster.on('exit', (worker, code, signal) => {
 console.log('worker is dead:', worker.isDead());
 });
} else {
 // Workers can share any TCP connection. In this case, it is an HTTP server.
 http.createServer((req, res) => {
 res.writeHead(200);
 res.end(`Current process\n ${process.pid}`);
 process.kill(process.pid);
 }).listen(8000);
}const cluster = require('node:cluster');
const http = require('node:http');
const numCPUs = require('node:os').availableParallelism();
const process = require('node:process');
if (cluster.isPrimary) {
 console.log(`Primary ${process.pid} is running`);
 // Fork workers.
 for (let i = 0; i < numCPUs; i++) {
 cluster.fork();
 }
 cluster.on('fork', (worker) => {
 console.log('worker is dead:', worker.isDead());
 });
 cluster.on('exit', (worker, code, signal) => {
 console.log('worker is dead:', worker.isDead());
 });
} else {
 // Workers can share any TCP connection. In this case, it is an HTTP server.
 http.createServer((req, res) => {
 res.writeHead(200);
 res.end(`Current process\n ${process.pid}`);
 process.kill(process.pid);
 }).listen(8000);
}拷贝