go语言限制Goroutine数量
发布时间:2020-12-16 18:55:41 所属栏目:大数据 来源:网络整理
导读:package main import ("fmt""runtime""time") func main() {runtime.GOMAXPROCS(runtime.NumCPU())c := make(chan bool,100)t := time.Tick(time.Second) go func() {for {select {case -t:watching()}}}() for i := 0; i 10000000; i++ {c - truego worker(
package main import ( "fmt" "runtime" "time" ) func main() { runtime.GOMAXPROCS(runtime.NumCPU()) c := make(chan bool,100) t := time.Tick(time.Second) go func() { for { select { case <-t: watching() } } }() for i := 0; i < 10000000; i++ { c <- true go worker(i,c) } fmt.Println("Done") } func watching() { fmt.Printf("NumGoroutine: %dn",runtime.NumGoroutine()) } func worker(i int,c chan bool) { //fmt.Println("worker",i) time.Sleep(100 * time.Microsecond) <-c } (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |