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
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/* SPDX-License-Identifier: LGPL-2.1+ */
#include <errno.h>
#include <string.h>
#include "alloc-util.h"
#include "fileio.h"
#include "log.h"
#include "parse-util.h"
#include "string-table.h"
#include "string-util.h"
#include "udev-util.h"
#include "udev.h"
static const char* const resolve_name_timing_table[_RESOLVE_NAME_TIMING_MAX] = {
[RESOLVE_NAME_NEVER] = "never",
[RESOLVE_NAME_LATE] = "late",
[RESOLVE_NAME_EARLY] = "early",
};
DEFINE_STRING_TABLE_LOOKUP(resolve_name_timing, ResolveNameTiming);
int udev_parse_config_full(
unsigned *ret_children_max,
usec_t *ret_exec_delay_usec,
usec_t *ret_event_timeout_usec) {
_cleanup_free_ char *log_val = NULL, *children_max = NULL, *exec_delay = NULL, *event_timeout = NULL;
int r;
r = parse_env_file(NULL, "/etc/udev/udev.conf", NEWLINE,
"udev_log", &log_val,
"children_max", &children_max,
"exec_delay", &exec_delay,
"event_timeout", &event_timeout,
NULL);
if (r == -ENOENT)
return 0;
if (r < 0)
return r;
if (log_val) {
const char *log;
size_t n;
/* unquote */
n = strlen(log_val);
if (n >= 2 &&
((log_val[0] == '"' && log_val[n-1] == '"') ||
(log_val[0] == '\'' && log_val[n-1] == '\''))) {
log_val[n - 1] = '\0';
log = log_val + 1;
} else
log = log_val;
/* we set the udev log level here explicitly, this is supposed
* to regulate the code in libudev/ and udev/. */
r = log_set_max_level_from_string_realm(LOG_REALM_UDEV, log);
if (r < 0)
log_debug_errno(r, "/etc/udev/udev.conf: failed to set udev log level '%s', ignoring: %m", log);
}
if (ret_children_max && children_max) {
r = safe_atou(children_max, ret_children_max);
if (r < 0)
log_notice_errno(r, "/etc/udev/udev.conf: failed to set parse children_max=%s, ignoring: %m", children_max);
}
if (ret_exec_delay_usec && exec_delay) {
r = parse_sec(exec_delay, ret_exec_delay_usec);
if (r < 0)
log_notice_errno(r, "/etc/udev/udev.conf: failed to set parse exec_delay=%s, ignoring: %m", exec_delay);
}
if (ret_event_timeout_usec && event_timeout) {
r = parse_sec(event_timeout, ret_event_timeout_usec);
if (r < 0)
log_notice_errno(r, "/etc/udev/udev.conf: failed to set parse event_timeout=%s, ignoring: %m", event_timeout);
}
return 0;
}
|
