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d402af7d71
Newer kernels will tell us if we should wait for the "device" or the "bus" link. So don't waste the time with our lists or wait for the timeout.
41 lines
1.4 KiB
C
41 lines
1.4 KiB
C
/*
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* udev_sysfs.h
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*
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* Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
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* Copyright (C) 2004 Greg Kroah-Hartman <greg@kroah.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#ifndef _UDEV_SYSFS_H_
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#define _UDEV_SYSFS_H_
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#include "libsysfs/sysfs/libsysfs.h"
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#define WAIT_MAX_SECONDS 5
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#define WAIT_LOOP_PER_SECOND 20
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extern int subsystem_expect_no_dev(const char *subsystem);
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/* /sys/class /sys/block devices */
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extern struct sysfs_class_device *wait_class_device_open(const char *path);
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extern int wait_for_class_device(struct sysfs_class_device *class_dev, const char **error);
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/* /sys/devices devices */
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extern struct sysfs_device *wait_devices_device_open(const char *path);
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extern int wait_for_devices_device(struct sysfs_device *devices_dev, const char **error);
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#endif /* _UDEV_SYSFS_H_ */
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