go 生产者消费者模型
package main
import (
"log"
"time"
)
// go 生产消费者模型
func main() {
// 设置缓冲区大小
ch := make(chan int, 5)
startTime := time.Now().Unix()
log.Println("start")
go provide(ch)
time.Sleep(time.Second * 3)
for data := range ch {
// 接收到的数据为-1, 则表示接收结束, 少加break 会发生deadlock
if data == -1 {
log.Println("comsume is over. I'm so full")
break
} else {
log.Printf("comsume %d", data)
}
}
end := time.Now().Unix()
log.Println("end")
spend := end - startTime
log.Printf("spend %ds", spend)
}
func provide(ch chan int) {
for i := 0; i < 11; i++ {
// time.Sleep(time.Second * 3)
// 缓冲区已满才会阻塞当前协程
ch <- i
log.Printf("provide %d", i)
}
ch <- -1
}
cook