gistfile1.go

package main

import (
    "time"
    "runtime"
    "fmt"
)

var (
    closeRead = make(chan bool)
    qstate = make(chan int, 8)
)

func init() {
    runtime.GOMAXPROCS(2)
}

func main() {
    go runRead()
    for s := range qstate {
        fmt.Println(s)
        if s == 1 {
             closeRead <- true
        }
    }
}

func runRead() {
    stopRead := false
    count := 0
    for {
        select {
        case <- closeRead:
            return
           
        default:
            if stopRead {
                fmt.Println("stopRead")
                break
            }
            count ++
            if count == 10 {
                stopRead = true
                qstate <- 1 //
                close(qstate)
                break
            } else {
                time.After(100000000)
            }
        }
    }
}