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Re: kern/44950: fcntl(F_MAXFD) returns bogus values
The following reply was made to PR kern/44950; it has been noted by GNATS.
From: Julio Merino <jmmv%julipedia.org@localhost>
Cc: martin%NetBSD.org@localhost, kern-bug-people%netbsd.org@localhost,
Subject: Re: kern/44950: fcntl(F_MAXFD) returns bogus values
Date: Tue, 10 May 2011 09:30:34 -0400
On 5/10/11 9:20 AM, martin%NetBSD.org@localhost wrote:
> The test case in /usr/tests/lib/libc/gen/t_closefrom fails when run when
> invoked from a user with /bin/sh or /bin/ksh as shell, but works when invoked
> from a (t)csch user.
> cd /tmp
> /usr/tests/lib/libc/gen/t_closefrom closefrom_basic
> Ktrace shows that fcntl(F_MAXFD) returns 3 in the csh case, but 9 in the
> (k)sh one.
I see several possibilities here:
* The test case is bogus because it's relying on the shell to leave a
predeterminate amount of file descriptors open.
* ksh/sh are leaking file descriptors.
Note that a test misbehaving when run by hand (not through atf-run)
should not be seen as a problem though.
Another thing is that atf-run should be closing the file descriptors in
a consistent manner, but I can't see it doing so at the moment. (If we
conclude that there is nothing else to do but adjust atf-run, assign the
PR to me please.)
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