Multiple go routines handling a single channel.

chanmutex.go

package main

//http://play.golang.org/p/kLmBrJYchH

import (
	"fmt"
	"time"
)

func mychan(id string, c chan string) {
	for {
		s, ok := <-c
		if !ok {
			fmt.Printf("[%s] Go routine stop\n", id)
			return
		}
		fmt.Printf("[%s] hi %s!\n", id, s)
	}
}

func main() {
	ch := make(chan string)
	goroutineids := []string{"alpha", "bravo", "charlie", "delta"}
	for _, id := range goroutineids {
		go mychan(id, ch)
	}
	for i := 0; i < 10; i++ {
		ch <- fmt.Sprintf("test %d", i)
	}
	time.Sleep(1000)
	close(ch)
	time.Sleep(1000)
}