50个阻塞的协程,不会有50个线程产生
发布时间:2020-12-16 18:53:15 所属栏目:大数据 来源:网络整理
导读:package main import ( _"os" "fmt" "time" ) func main() { for i:=0; i50; i++ { c := make(chan int) go func( index int,cp chan int ) {// //for { fmt.Println("before send to chan,index is ",index) cp-0 // will block fmt.Println("after send,in
package main import ( _"os" "fmt" "time" ) func main() { for i:=0; i<50; i++ { c := make(chan int) go func( index int,cp chan int ) {// //for { fmt.Println("before send to chan,index is ",index) cp<-0 // will block fmt.Println("after send,index) //} }(i,c)// go func(cp chan int ){ time.Sleep(5*time.Second) <-cp }(c) } time.Sleep(10*time.Second) //select{} } (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! |