[This should have gone to the list, not just Julian]

On 1999-Nov-01 08:15:23 +1100, Julian Elischer wrote:

One good starting point would be some agreement on terminology since /usr/include/sys/proc.h states: * This structure contains the information needed to manage a thread of * control, known in UN*X as a process;

For the purposes of this discussion, I suggest that `process' refers to 1 or more threads sharing a common address space. This is distinct from the usage within 4.4BSD - particularly rfork(2).

^^^ N ^ N

Whilst some of this is `implementation' rather than `requirements', a good place to start is to work through each field in struct proc and decide whether that information relates to the process as a whole, or a single thread. (This will need to be done at some stage, and is a good trigger for deciding what differentiates a thread from a process).

Peter

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