Systemd/src/machine/machined-core.c

37 lines
1.3 KiB
C

/* SPDX-License-Identifier: LGPL-2.1+ */
#include "machined.h"
#include "nscd-flush.h"
#include "strv.h"
static int on_nscd_cache_flush_event(sd_event_source *s, void *userdata) {
/* Let's ask glibc's nscd daemon to flush its caches. We request this for the three database machines may show
* up in: the hosts database (for resolvable machine names) and the user and group databases (for the user ns
* ranges). */
(void) nscd_flush_cache(STRV_MAKE("passwd", "group", "hosts"));
return 0;
}
int manager_enqueue_nscd_cache_flush(Manager *m) {
int r;
assert(m);
if (!m->nscd_cache_flush_event) {
r = sd_event_add_defer(m->event, &m->nscd_cache_flush_event, on_nscd_cache_flush_event, m);
if (r < 0)
return log_error_errno(r, "Failed to allocate NSCD cache flush event: %m");
sd_event_source_set_description(m->nscd_cache_flush_event, "nscd-cache-flush");
}
r = sd_event_source_set_enabled(m->nscd_cache_flush_event, SD_EVENT_ONESHOT);
if (r < 0) {
m->nscd_cache_flush_event = sd_event_source_unref(m->nscd_cache_flush_event);
return log_error_errno(r, "Failed to enable NSCD cache flush event: %m");
}
return 0;
}