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Mail Archives: cygwin/2001/09/20/04:52:57

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Message-ID: <001101c141b1$f3929010$d2823bd5@dmitry>
From: "Dmitry Timoshkov" <dmitry AT baikal DOT ru>
To: <cygwin AT cygwin DOT com>
References: <077d01c1400e$2d92cdc0$d2823bd5 AT dmitry> <20010918101238 DOT H22900 AT cygbert DOT vinschen DOT de> <008501c14183$d9eddc10$d2823bd5 AT dmitry> <20010920090219 DOT A4194 AT cygbert DOT vinschen DOT de> <003601c141a8$8adc7760$d2823bd5 AT dmitry> <20010920100907 DOT D4194 AT cygbert DOT vinschen DOT de>
Subject: Re: fcntl(F_SETFD) on a file or socket handle
Date: Thu, 20 Sep 2001 17:53:17 +0900
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"Corinna Vinschen" <cygwin AT cygwin DOT 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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