Thank you Greg and others  advising on my first question.
 

I am writing monitor sybsytem, abd here the question :

Is it possible from kernel module or user space to monitor which processes were 
terminated
abnormally ?
I understand that trap gates are initialized to handle it , fill  trap_info, 
then sig_info and send signal to faulting process.
Is it correct to place a hook in these chain? probably in signal.c : 
next_signal()?
If so what is the proper method, ex  jprobe?

ThanX


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