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systemd-stable/udev_sysfs.h
kay.sievers@vrfy.org f071348004 [PATCH] expose sysfs functions for sharing it
This patch exposes the wait_for_sysfs functions to all possible users,
so we need to maintain only one list of exceptions. The last list is
hereby removed from udev.c.
2005-04-26 22:06:44 -07:00

37 lines
1.3 KiB
C

/*
* udev_sysfs.h
*
* Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
* Copyright (C) 2004 Greg Kroah-Hartman <greg@kroah.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation version 2 of the License.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef _UDEV_SYSFS_H_
#define _UDEV_SYSFS_H_
#include "libsysfs/sysfs/libsysfs.h"
#define WAIT_MAX_SECONDS 5
#define WAIT_LOOP_PER_SECOND 20
extern int subsystem_expect_no_dev(const char *subsystem);
extern int wait_for_bus_device(struct sysfs_device *devices_dev, const char **error);
extern int wait_for_class_device(struct sysfs_class_device *class_dev, const char **error);
extern struct sysfs_class_device *open_class_device_wait(const char *path);
extern struct sysfs_device *open_devices_device_wait(const char *path);
#endif /* _UDEV_SYSFS_H_ */