[jboss-dev-forums] [Design of JBoss Profiler] - About Kill -3 signal

[yimianshisan]

You know the jboss profiler will sleep until you send a wake-up signal. 
The wake-up and stop signal can be sent by a kill -3  command on UNIX.
I just want to know the reson for this, why I send kill -3 pid, the profiler will wake up. Why not kill -4. 
Whre the kill -3 signal are captured? In Jboss Inspector? or JVM?
And If I want to pause the profiling,which signal should I send? 

Can anyone give me an answer , or the detail process of kill -3 signal.

Thank you very much!

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