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f32bff9688
There are some situations where running "udevadm settle" can result in a deadlock, such as in the early stages of initial RAM-disk processing. Introduce a new command-line option --no-settle that can be used to suppress calling "udevadm settle" to allow chzdev to be run in such situations. Signed-off-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com> Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
49 lines
1.0 KiB
C
49 lines
1.0 KiB
C
/*
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* zdev - Modify and display the persistent configuration of devices
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*
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* Copyright IBM Corp. 2016, 2017
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*
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* s390-tools is free software; you can redistribute it and/or modify
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* it under the terms of the MIT license. See LICENSE for details.
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*/
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#ifndef UDEV_H
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#define UDEV_H
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#include "lib/util_list.h"
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#include "exit_code.h"
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extern int udev_need_settle;
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extern int udev_no_settle;
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/* Single key-operator-value entry in a udev rule line.*/
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struct udev_entry_node {
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struct util_list_node node;
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char *key;
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char *op;
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char *value;
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};
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/* Single udev line in a udev rule file. */
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struct udev_line_node {
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struct util_list_node node;
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struct util_list entries;
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char *line;
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};
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/* Udev rule file. */
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struct udev_file {
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struct util_list lines;
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};
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exit_code_t udev_read_file(const char *, struct udev_file **);
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void udev_free_file(struct udev_file *);
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void udev_file_print(struct udev_file *);
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void udev_get_device_ids(const char *, struct util_list *);
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exit_code_t udev_remove_rule(const char *, const char *);
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void udev_settle(void);
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#endif /* UDEV_H */
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