Re: Win32 rename()/unlink() questions

On Fri, 20 Sep 2002, Mike Mascari wrote:

> Stephan Szabo wrote:
> > On Fri, 20 Sep 2002, Mike Mascari wrote:
> >>So far, MoveFileEx("foo", "bar", MOVEFILE_REPLACE_EXISTING)
> >>returns "Access Denied" when Process 1 attempts the rename. But
> >>I'm continuing to investigate the possibilities...
> >
> >
> > Does a sequence like
> > Process 1 opens "foo"
> > Process 2 opens "foo"
> > Process 1 creates "bar"
> > Process 1 renames "foo" to <something>
> > - where something is generated to not overlap an existing file
> > Process 1 renames "bar" to "foo"
> > Process 2 continues reading
> > let you do the replace and keep reading (at the penalty that
> > you've now got to have a way to know when to remove the
> > various <something>s)
>
> Yes! Indeed that does work.

Thinking back, I think that may still fail on Win95 (using MoveFile).
Once in the past I had to work on (un)installers for Win* and I
vaguely remember Win95 being more strict than Win98 but that may just
have been with moving the executable you're currently running.