25 lines
355 B
Go
25 lines
355 B
Go
package main
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import (
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"fmt"
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"sync/atomic"
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"time"
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)
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func main() {
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var stop int32 = 0
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go func() {
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for atomic.LoadInt32(&stop) == 0 {
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// 忙等：什么也不干，不让出 CPU
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}
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fmt.Println("worker 退出")
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}()
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time.Sleep(2 * time.Second)
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fmt.Println("main: 设置 stop=1")
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atomic.StoreInt32(&stop, 1)
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time.Sleep(1 * time.Second)
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}
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