summaryrefslogtreecommitdiff
path: root/src/snapshot.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/snapshot.c')
-rw-r--r--src/snapshot.c23
1 files changed, 21 insertions, 2 deletions
diff --git a/src/snapshot.c b/src/snapshot.c
index ea3894bb91..399aaea597 100644
--- a/src/snapshot.c
+++ b/src/snapshot.c
@@ -47,6 +47,21 @@ static void snapshot_set_state(Snapshot *s, SnapshotState state) {
unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state]);
}
+static int snapshot_load(Unit *u) {
+ Snapshot *s = SNAPSHOT(u);
+
+ assert(u);
+ assert(u->meta.load_state == UNIT_STUB);
+
+ /* Make sure that only snapshots created via snapshot_create()
+ * can be loaded */
+ if (!s->by_snapshot_create)
+ return -ENOENT;
+
+ u->meta.load_state = UNIT_LOADED;
+ return 0;
+}
+
static int snapshot_coldplug(Unit *u) {
Snapshot *s = SNAPSHOT(u);
@@ -197,12 +212,16 @@ int snapshot_create(Manager *m, const char *name, bool cleanup, Snapshot **_s) {
name = n;
}
- r = manager_load_unit(m, name, NULL, &u);
+ r = manager_load_unit_prepare(m, name, NULL, &u);
free(n);
if (r < 0)
goto fail;
+ SNAPSHOT(u)->by_snapshot_create = true;
+ manager_dispatch_load_queue(m);
+ assert(u->meta.load_state == UNIT_LOADED);
+
HASHMAP_FOREACH_KEY(other, k, m->units, i) {
if (UNIT_VTABLE(other)->no_snapshots)
@@ -258,7 +277,7 @@ const UnitVTable snapshot_vtable = {
.no_snapshots = true,
.no_gc = true,
- .load = unit_load_nop,
+ .load = snapshot_load,
.coldplug = snapshot_coldplug,
.dump = snapshot_dump,