我很久没有上Facebook, 所以现在才看到你的Comment 我知道圣诞节你会回来…
I haven't logged on Facebook for a long time, and got your comment…
现在我们才明白为什么我们一路走来就没有看到过一头活生生的大象,连一处痕迹都没有,要知道我们进入园区都已经8天了!
Now we understand why we have not seen a single living elephant, or a sign of one, in the eight days since we entered the park.
现在,如果这两个进程同时运行,有50%的机会看到第一个进程等待4秒后才获得file_lock,其他情况都不变。
Now, if these two processes are run concurrently, you expect the first process to wait 4 seconds before acquiring the file_lock 50 percent of the time, all other things being equal.
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