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Date:      Fri, 2 Sep 2005 09:50:07 -0400
From:      Steven Elkins <sgelkins@gmail.com>
To:        freebsd-questions@freebsd.org
Subject:   TIOCOUTQ ioctl for non-blocking socket
Message-ID:  <ceb73c8f05090206505c9e8de3@mail.gmail.com>

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Hello everyone,

I have to port some non-blocking socket output code from Linux to
FreeBSD and I'm wondering how far I need to go to overcome a problem.=20
On Linux this code puts the amount of data waiting in the socket's
transmit queue into 'remaining'.

   int remaining =3D 0;
   int rc =3D ioctl(fileDescriptor, TIOCOUTQ, &remaining);

Testing rc on FreeBSD and printing errno, I see...

   ioctl: 45 Operation not supported

Is there another way to ask the question on FreeBSD?  Or should I be
changing the non-blocking socket output design?

Thanks,
Steve



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