> The Solaris /proc implementation, in contrast, was much cleaner,
> in my experience. I suspect this is partially because the Solaris
> implementation was more carefully thought-through, but also the interface
> helped: by not overloading the meaning of signals, the Solaris /proc
> interface avoids changing the semantics of signal-related functionality
> in the traced process, and this makes for cleaner code.
I completely agree with you. Using ptrace to do user level extensions like
UFO(http://www.cs.ucsb.edu/projects/ufo/index.html) is grossly inefficient
and kludgy.
--pradeep
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