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zlx/redefine_signal.rb

Created July 2, 2014 13:50
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redefine_signal.rb
puts Process.pid
trap(:INT) { print "Na na na, you can't get me" }
sleep # so that we have time to send it a signal
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zlx commented Jul 2, 2014

重新定义了 INT 信号，你不能使用

Process.kill(:INT, <pid of first session>)

来使进程退出。

但是你不能重新定义 SIGKILL, SIGSTOP 信号

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