debian man page for comedi_poll

Query: comedi_poll

OS: debian

Section: 3

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

COMEDI_POLL(3)							 Comedi reference						    COMEDI_POLL(3)

NAME
comedi_poll - force updating of streaming buffer
SYNOPSIS
#include <comedilib.h> int comedi_poll(comedi_t * device, unsigned int subdevice);
DESCRIPTION
The function comedi_poll is used on a subdevice that has a Comedi command in progress in order to update the streaming buffer. If supported by the driver, all available samples are copied to the streaming buffer. These samples may be pending in DMA buffers or device FIFOs. If successful, the number of additional bytes available is returned. If there is an error, -1 is returned.
AUTHORS
David Schleef <ds@schleef.org> Author. Frank Mori Hess <fmhess@users.sourceforge.net> Author. Herman Bruyninckx <Herman.Bruyninckx@mech.kuleuven.ac.be> Author. Bernd Porr <tech@linux-usb-daq.co.uk> Author. Ian Abbott <abbotti@mev.co.uk> Author.
COPYRIGHT
Copyright (C) 1998-2003 David Schleef Copyright (C) 2001-2003, 2005, 2008 Frank Mori Hess Copyright (C) 2002-2003 Herman Bruyninckx Copyright (C) 2012 Bernd Porr Copyright (C) 2012 Ian Abbott This document is part of Comedilib. In the context of this document, the term "source code" as defined by the license is interpreted as the XML source. This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, version 2.1 of the License. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. Comedi 07/06/2012 COMEDI_POLL(3)
Related Man Pages
comedi_get_buffer_offset(3) - debian
comedi_get_buffer_size(3) - debian
comedi_get_max_buffer_size(3) - debian
comedi_get_write_subdevice(3) - debian
comedi_unlock(3) - debian
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