Puts a probe on the exit system call to exit when the process exits.

在exit系统调用上设置探查，从而在进程退出时退出。

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When a shell script process exits or returns to the parent process, the exit code should be 0.

当shell脚本进程退出或返回到父进程时，退出码应该是0。

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Channel requests relay information such as the exit code of a server-side process.

通道请求转送信息，比如服务器端流程的退出代码。

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Once Greece goes, most analyses of the exit process say it will be painful but containable, as long as it does not spread.

BBC: Euro talks: The last signal before the storm?

Plus, the exit process is often slow, frustrating, and expensive.

FORBES: Tough Truth About Defensive Exits

The BBC's Sarah Rainsford, in Havana, says the exit permit process is hated by most Cubans so this reform, which was much anticipated, will be widely welcomed.

BBC: Cuba to end exit permits for foreign travel