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udev: make signal that we use to kill workers on timeout configurable

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This commit is contained in:
Michal Sekletár
2020-06-05 11:09:17 +02:00
parent 397288e3eb
commit e209926778
14 changed files with 128 additions and 38 deletions
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src/shared/udev-util.c
+19 -7
View File
@@ -7,6 +7,7 @@
#include "env-file.h"
#include "log.h"
#include "parse-util.h"
#include "signal-util.h"
#include "string-table.h"
#include "string-util.h"
#include "udev-util.h"
@@ -23,9 +24,10 @@ int udev_parse_config_full(
unsigned *ret_children_max,
usec_t *ret_exec_delay_usec,
usec_t *ret_event_timeout_usec,
ResolveNameTiming *ret_resolve_name_timing) {
ResolveNameTiming *ret_resolve_name_timing,
int *ret_timeout_signal) {
_cleanup_free_ char *log_val = NULL, *children_max = NULL, *exec_delay = NULL, *event_timeout = NULL, *resolve_names = NULL;
_cleanup_free_ char *log_val = NULL, *children_max = NULL, *exec_delay = NULL, *event_timeout = NULL, *resolve_names = NULL, *timeout_signal = NULL;
int r;
r = parse_env_file(NULL, "/etc/udev/udev.conf",
@@ -33,7 +35,8 @@ int udev_parse_config_full(
"children_max", &children_max,
"exec_delay", &exec_delay,
"event_timeout", &event_timeout,
"resolve_names", &resolve_names);
"resolve_names", &resolve_names,
"timeout_signal", &timeout_signal);
if (r == -ENOENT)
return 0;
if (r < 0)
@@ -65,21 +68,21 @@ int udev_parse_config_full(
r = safe_atou(children_max, ret_children_max);
if (r < 0)
log_syntax(NULL, LOG_WARNING, "/etc/udev/udev.conf", 0, r,
"failed to set parse children_max=%s, ignoring: %m", children_max);
"failed to 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_syntax(NULL, LOG_WARNING, "/etc/udev/udev.conf", 0, r,
"failed to set parse exec_delay=%s, ignoring: %m", exec_delay);
"failed to 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_syntax(NULL, LOG_WARNING, "/etc/udev/udev.conf", 0, r,
"failed to set parse event_timeout=%s, ignoring: %m", event_timeout);
"failed to parse event_timeout=%s, ignoring: %m", event_timeout);
}
if (ret_resolve_name_timing && resolve_names) {
@@ -88,11 +91,20 @@ int udev_parse_config_full(
t = resolve_name_timing_from_string(resolve_names);
if (t < 0)
log_syntax(NULL, LOG_WARNING, "/etc/udev/udev.conf", 0, r,
"failed to set parse resolve_names=%s, ignoring.", resolve_names);
"failed to parse resolve_names=%s, ignoring.", resolve_names);
else
*ret_resolve_name_timing = t;
}
if (ret_timeout_signal && timeout_signal) {
r = signal_from_string(timeout_signal);
if (r < 0)
log_syntax(NULL, LOG_WARNING, "/etc/udev/udev.conf", 0, r,
"failed to parse timeout_signal=%s, ignoring: %m", timeout_signal);
else
*ret_timeout_signal = r;
}
return 0;
}
src/shared/udev-util.h
+3 -2
View File
@@ -21,10 +21,11 @@ int udev_parse_config_full(
unsigned *ret_children_max,
usec_t *ret_exec_delay_usec,
usec_t *ret_event_timeout_usec,
ResolveNameTiming *ret_resolve_name_timing);
ResolveNameTiming *ret_resolve_name_timing,
int *ret_timeout_signal);
static inline int udev_parse_config(void) {
return udev_parse_config_full(NULL, NULL, NULL, NULL);
return udev_parse_config_full(NULL, NULL, NULL, NULL, NULL);
}
int device_wait_for_initialization(sd_device *device, const char *subsystem, usec_t timeout, sd_device **ret);