There is an important context switch that deserves a little more attention.
有一个重要的环境转变值得注意。
JRuby can switch context at almost any time.
JRuby几乎可以随时切换上下文。
Step four: the write system call returns, creating our fourth context switch.
步骤四：系统调用返回，导致了第4次上下文切换。
The send system call returns, creating the fourth context switch.
send系统调用返回，结果导致了第四次的上下文切换。
This task is known as a context switch.
这任务叫做上下文切换。
上下文开关。
上下文开关。
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