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                ## Mutex * 保證同一時間段內 有且僅有一個goroutine持有鎖,其他申請鎖的goroutine將會被阻塞直到鎖釋放 ~~~ var lock sync.Mutex lock.Lock() lock.Unlock() ~~~ ![](https://img.kancloud.cn/bd/f9/bdf98d96fb3e2becdb5fc312dd26a1dd_696x468.png) * 下圖跑的結果是 方法1在57s加鎖 58s解鎖 方法2 58s加鎖 59s解鎖 (保證同一時間段內 有且僅有一個goroutine持有鎖,其他申請鎖的goroutine將會被阻塞直到鎖釋放) ![](https://img.kancloud.cn/24/c4/24c48a453c04e4f278b69d0955416c05_914x200.png)
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                              哎呀哎呀视频在线观看