1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma once
#include <stdbool.h>
#include "sd-device.h"
#include "sd-event.h"
#include "sd-netlink.h"
#include "errno-list.h"
#include "hashmap.h"
#include "time-util.h"
#define DEFAULT_WORKER_TIMEOUT_USEC (3 * USEC_PER_MINUTE)
#define MIN_WORKER_TIMEOUT_USEC (1 * USEC_PER_MSEC)
typedef struct UdevRules UdevRules;
typedef struct UdevWorker {
sd_event *event;
sd_netlink *rtnl;
sd_device_monitor *monitor;
Hashmap *properties;
UdevRules *rules;
int pipe_fd;
int inotify_fd; /* Do not close! */
usec_t exec_delay_usec;
usec_t timeout_usec;
int timeout_signal;
int log_level;
bool blockdev_read_only;
} UdevWorker;
/* passed from worker to main process */
typedef enum EventResult {
EVENT_RESULT_NERRNO_MIN = -ERRNO_MAX,
EVENT_RESULT_NERRNO_MAX = -1,
EVENT_RESULT_SUCCESS = 0,
EVENT_RESULT_EXIT_STATUS_BASE = 0,
EVENT_RESULT_EXIT_STATUS_MAX = 255,
EVENT_RESULT_TRY_AGAIN = 256, /* when the block device is locked by another process. */
EVENT_RESULT_SIGNAL_BASE = 257,
EVENT_RESULT_SIGNAL_MAX = EVENT_RESULT_SIGNAL_BASE + _NSIG,
_EVENT_RESULT_MAX,
_EVENT_RESULT_INVALID = -EINVAL,
} EventResult;
void udev_worker_done(UdevWorker *worker);
int udev_worker_main(UdevWorker *worker, sd_device *dev);
void udev_broadcast_result(sd_device_monitor *monitor, sd_device *dev, EventResult result);
int udev_get_whole_disk(sd_device *dev, sd_device **ret_device, const char **ret_devname);
|