A thread is allocated to handle shutdown events.

一个线程被分配为处理关机事件。

youdao

It said Tepco staff at the plant were not trained to handle emergencies like the power shutdown that struck when the tsunami destroyed back-up generators, AP news agency reported.

BBC: Fukushima accident: disaster response failed - report

Sellout claims that the reason for the shutdown was due to the loss of hacker anonymity from "cry babies" who can't handle a little honesty.

ENGADGET: InfoSec Sellout disappears, worm now claimed to affect OS X 10.4.10