Date: Wed, 28 Jul 1999 13:30:56 +1000 (EST) From: John Birrell <jb@cimlogic.com.au> To: mi@aldan.algebra.com Cc: questions@freebsd.org, stable@freebsd.org, eischen@vigrid.com, jb@cimlogic.com.au Subject: Re: uthread_init.c: 'Cannot get stdio flags' :-( Message-ID: <199907280330.NAA55212@cimlogic.com.au> In-Reply-To: <199907280150.VAA07686@misha.cisco.com> from Mikhail Teterin at "Jul 27, 1999 09:50:32 pm"
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Mikhail Teterin wrote:
> Under what circumstances could a panic:
>
> Fatal error 'Cannot get stdio flags' at line ? in file
> /usr/src/lib/libc_r/uthread/uthread_init.c (errno = ?)
>
> be triggered?
>
> We are trying to replace HylaFAX's ${PREFIX}/sbin/faxsend with our own
> application, which is written with threads. The app works fine if called
> directly -- from command line. But it dies a horrible death when
> actually invoked by HylaFAX's ${PREFIX}/sbin/faxq. Here is a rather
> short ktrace produced by replacing faxsend with a shell wrapper:
Looks like ${PREFIX}/sbin/faxq has closed file descriptor 0 (stdin).
It's legal to do that, so our thread initialisation will have to check
for EBADF and not fail in that case.
--
John Birrell - jb@cimlogic.com.au; jb@freebsd.org http://www.cimlogic.com.au/
CIMlogic Pty Ltd, GPO Box 117A, Melbourne Vic 3001, Australia +61 418 353 137
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