37 lines
684 B
Go
37 lines
684 B
Go
package async
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import (
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"container/list"
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)
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// 블럭되지 않는 큐체널
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func NewQueue() (chan<- interface{}, <-chan interface{}) {
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send := make(chan interface{}, 1)
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receive := make(chan interface{}, 1)
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go manageQueue(send, receive)
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return send, receive
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}
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func manageQueue(send <-chan interface{}, receive chan<- interface{}) {
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queue := list.New()
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defer close(receive)
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for {
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if front := queue.Front(); front == nil {
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if value, ok := <-send; ok {
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queue.PushBack(value)
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} else {
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break
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}
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} else {
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select {
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case receive <- front.Value:
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queue.Remove(front)
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case value, ok := <-send:
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if ok {
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queue.PushBack(value)
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}
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}
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}
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}
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}
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