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Date: Fri, 21 Aug 2009 18:17:02 -0400
From: "cygwin at sipxx.com" <cygwin AT sipxx DOT com>
Subject: Re: fcntl bug
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I see, I would concur based on the definition of the error code you 
quoted. I consulted only my memory just now, since I ran the same 
general test last week.

Eric Blake wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> According to cygwin at sipxx.com on 8/21/2009 3:56 PM:
>   
>> It does reject the argument if the upper bound is reached. On the lower
>> end, the linux man page does not specify that negative numbers are not
>> allowed as arguments.
>>     
>
> But POSIX does (and Linux at least obeys this part of POSIX, whether or
> not its man page says so):
>
> http://www.opengroup.org/onlinepubs/9699919799/functions/fcntl.html
>
> [EINVAL]
>     The cmd argument is invalid, or the cmd argument is F_DUPFD or
> F_DUPFD_CLOEXEC and arg is negative or greater than or equal to {OPEN_MAX}
>
> - --
> Don't work too hard, make some time for fun as well!
>
> Eric Blake             ebb9 AT byu DOT net
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