Incorrect behavior with close-on-exec and dup?

[Bill Wohler <wohler@newt.com>]

  Perhaps one of you might be a little more knowledgeable than I.  A
  friend of mine asked me if the following were true:

> From: hesh@netcom.com (Chris Steinbroner)
> 
> "Linux does the wrong thing with the close-on-exec
> flag when you dup()licate a file descriptor - Linux's behavior in this
> case violates the POSIX standard."
> 
> -- hesh

Bill Wohler <wohler@newt.com>
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