[openbeos] Re: POSIX thread safety, was: Re: Waiting and waiting

  • From: "Ingo Weinhold" <bonefish@xxxxxxxxxxxxxxx>
  • To: openbeos@xxxxxxxxxxxxx
  • Date: Wed, 11 Dec 2002 11:31:52 EDT (-0200)

> On Tuesday 10 December 2002 11:51, you wrote:
> 
> > The definition I read didn't say that a reentrant function has to 
> > return
> > the same thing each time it's called with the same parameters.
> 
> That would be "idempotent," not re-entrant.

A function f: X -> X is called idempotent, if f * f = f. The above 
definition matches something like stateless deterministic, I would say.

CU, Ingo

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