libfprint/libfprint/fpi-poll.h

/*
 * Copyright (C) 2008 Daniel Drake <dsd@gentoo.org>
 * Copyright (C) 2018 Bastien Nocera <hadess@hadess.net>
 *
 * 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; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef __FPI_POLL_H__
#define __FPI_POLL_H__

#include "fprint.h"

/**
 * fpi_timeout_fn:
 * @dev: the struct #fp_dev passed to fpi_timeout_add()
 * @data: the data passed to fpi_timeout_add()
 *
 * The prototype of the callback function for fpi_timeout_add().
 * Note that after the callback is called, the #fpi_timeout structure will
 * be freed.
 */
typedef void (*fpi_timeout_fn)(struct fp_dev *dev, void *data);

/**
 * fpi_timeout:
 *
 * An opaque structure representing a scheduled function call, created with
 * fpi_timeout_add().
 */
typedef struct fpi_timeout fpi_timeout;
fpi_timeout *fpi_timeout_add(unsigned int    msec,
			     fpi_timeout_fn  callback,
			     struct fp_dev  *dev,
			     void           *data);
void fpi_timeout_set_name(fpi_timeout *timeout,
			  const char  *name);
void fpi_timeout_cancel(fpi_timeout *timeout);

#endif