javascript 工作者线程，SAMPLE1

Posted 2021-05-03

const { Worker, isMainThread,  workerData } = require('worker_threads');

let currentVal = 0;
let intervals = [100,1000, 500]

function counter(id, i){
	console.log("[", id, "]", i)
	return i;
}

if(isMainThread) {
	console.log("this is the main thread")
	for(let i = 0; i < 2; i++) {
		let w = new Worker(__filename, {workerData: i});
	}

	setInterval((a) => currentVal = counter(a,currentVal + 1), intervals[2], "MainThread");
} else {

	console.log("this isn't")

	setInterval((a) => currentVal = counter(a,currentVal + 1), intervals[workerData], workerData);

}