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sd-device-monitor: introduce sd_device_monitor_{set,get}_description()

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This commit is contained in:
Yu Watanabe 2022-08-12 03:49:56 +09:00
parent edf6cbc30f
commit 39f11aa422
3 changed files with 30 additions and 1 deletions
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2
src/libsystemd/libsystemd.sym
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@ -785,6 +785,8 @@ global:
sd_bus_error_setfv;
sd_device_new_child;
sd_device_monitor_set_description;
sd_device_monitor_get_description;
sd_id128_string_equal;

27
src/libsystemd/sd-device/device-monitor.c
View File

@ -46,6 +46,7 @@ struct sd_device_monitor {
sd_event *event;
sd_event_source *event_source;
char *description;
sd_device_monitor_handler_t callback;
void *userdata;
};
@ -263,7 +264,7 @@ _public_ int sd_device_monitor_start(sd_device_monitor *m, sd_device_monitor_han
if (r < 0)
return r;
(void) sd_event_source_set_description(m->event_source, "sd-device-monitor");
(void) sd_event_source_set_description(m->event_source, m->description ?: "sd-device-monitor");
return 0;
}
@ -306,6 +307,29 @@ _public_ sd_event_source *sd_device_monitor_get_event_source(sd_device_monitor *
return m->event_source;
}
_public_ int sd_device_monitor_set_description(sd_device_monitor *m, const char *description) {
int r;
assert_return(m, -EINVAL);
r = free_and_strdup(&m->description, description);
if (r <= 0)
return r;
if (m->event_source)
(void) sd_event_source_set_description(m->event_source, description);
return r;
}
_public_ int sd_device_monitor_get_description(sd_device_monitor *m, const char **ret) {
assert_return(m, -EINVAL);
assert_return(ret, -EINVAL);
*ret = m->description;
return 0;
}
int device_monitor_enable_receiving(sd_device_monitor *m) {
int r;
@ -339,6 +363,7 @@ static sd_device_monitor *device_monitor_free(sd_device_monitor *m) {
(void) sd_device_monitor_detach_event(m);
free(m->description);
hashmap_free(m->subsystem_filter);
set_free(m->tag_filter);
hashmap_free(m->match_sysattr_filter);

2
src/systemd/sd-device.h
View File

@ -144,6 +144,8 @@ int sd_device_monitor_attach_event(sd_device_monitor *m, sd_event *event);
int sd_device_monitor_detach_event(sd_device_monitor *m);
sd_event *sd_device_monitor_get_event(sd_device_monitor *m);
sd_event_source *sd_device_monitor_get_event_source(sd_device_monitor *m);
int sd_device_monitor_set_description(sd_device_monitor *m, const char *description);
int sd_device_monitor_get_description(sd_device_monitor *m, const char **ret);
int sd_device_monitor_start(sd_device_monitor *m, sd_device_monitor_handler_t callback, void *userdata);
int sd_device_monitor_stop(sd_device_monitor *m);