[Review] Remove procfs dependency of truss

[Ed Schouten]

* Howard Su <howard0su at gmail.com> wrote:
> Following the suggestion in idea page, I proposed the attached patch.
> I didn't change any kernel part because I think PTRACE(2) is
> functional although man page didn't document it.

Indeed. Looking at sys/ptrace.h, there are a lot of instructions that
aren't documented in the manpage:

- PT_GETNUMLWPS
- PT_GETLWPLIST
- PT_CLEARSTEP
- PT_SETSTEP
- PT_SUSPEND
- PT_RESUME
- PT_TO_SCE
- PT_TO_SCX
- PT_SYSCALL
- PT_FIRSTMACH

-- 
 Ed Schouten <ed at fxq.nl>
 WWW: http://g-rave.nl/
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