ptrace in unix tracing non-child processes

[Karl Kleinpaste]

chris at mimsy.UUCP writes:
   Better: throw out ptrace entirely and adopt the V8/V9 `/proc' approach.

Yea, verily, and amen.

   ptrace is ugly and slow; /proc is moderatly odd (ioctls for process
   control!?) and much less so.

True, but it completes the "everything is a file" paradigm.