cgroup: only delete empty cgroups

[elogind.git] / snapshot.h

diff --git a/snapshot.h b/snapshot.h
index 563af41293360a82558defd58aa070a884aee991..78bcafa448c24075edb3e622f8b4c8419f49baf2 100644 (file)
--- a/snapshot.h
+++ b/snapshot.h
@@ -3,22 +3,47 @@
 #ifndef foosnapshothfoo
 #define foosnapshothfoo
 
+/***
+  This file is part of systemd.
+
+  Copyright 2010 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
 typedef struct Snapshot Snapshot;
 
 #include "unit.h"
 
 typedef enum SnapshotState {
         SNAPSHOT_DEAD,
-        SNAPSHOT_ACTIVE
+        SNAPSHOT_ACTIVE,
+        _SNAPSHOT_STATE_MAX,
+        _SNAPSHOT_STATE_INVALID = -1
 } SnapshotState;
 
 struct Snapshot {
         Meta meta;
 
         SnapshotState state;
-        bool cleanup:1;
+
+        bool cleanup;
 };
 
 extern const UnitVTable snapshot_vtable;
 
+int snapshot_create(Manager *m, const char *name, bool cleanup, Snapshot **s);
+void snapshot_remove(Snapshot *s);
+
 #endif