package main

import (

"fmt"

"runtime"

)

func test(c chan bool, n int) {

x := 0

for i := 0; i < 1000000000; i++ {

x += i

}

println(n, x)

if n == 9 {

c <- true

}

}

func main() {

runtime.GOMAXPROCS(1) //设置cpu的核的数量，从而实现高并发

c := make(chan bool)

for i := 0; i < 10; i++ {

	go test(c, i)

}

<-c

fmt.Println("main ok")

}