Are the "System" and "System Idle Process" PIDs constant on Windows?

Posted by kdt on Stack Overflow See other posts from Stack Overflow or by kdt
Published on 2010-04-15T08:54:34Z Indexed on 2010/04/16 15:13 UTC
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processes

On a couple of windows XP systems I've looked at, the "System Idle Process" always has PID 0, and the "System" process always has PID 4. In a Windows program which enumerates processes, is it safe to recognise these processes by these PIDs, or can they be different in some circumstances?

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