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Re: fcntl(F_SETFD) on a file or socket handle


"Corinna Vinschen" <cygwin@cygwin.com> wrote:

[skipped]

> > I see that fhandler_socket::fcntl() calls fhandler_base::fcntl() in
> > all cases different from F_SETFL. Perhaps my understanding of things
> > in C++ is not enough (I'm an old hand plain C programmer).
> 
> set_close_on_exec() is a virtual method which means, the called
> method is dependent of the actual class of the object which calls
> it.

Thanks for clarification.

> Did you get the sources of Cygwin via CVS?  If so, could
> you please check if my just checked in patch works for you?

I don't get Cygwin sources from CVS, but I have looked into your patch
after it has appeared in CVS. Using SetHandleInformation() on NT instead
of DuplicateHandle()/CloseHandle() pair is much better IMO, and should
not cause any side effects.

Thanks.

--
Dmitry.


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