cgroup: add cgroupsification

[elogind.git] / cgroup.h

diff --git a/cgroup.h b/cgroup.h
new file mode 100644 (file)
index 0000000..66ddb95
--- /dev/null
+++ b/cgroup.h
@@ -0,0 +1,83 @@
+/*-*- Mode: C; c-basic-offset: 8 -*-*/
+
+#ifndef foocgrouphfoo
+#define foocgrouphfoo
+
+/***
+  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/>.
+***/
+
+#include <libcgroup.h>
+
+typedef struct CGroupBonding CGroupBonding;
+
+#include "unit.h"
+
+/* Binds a cgroup to a name */
+struct CGroupBonding {
+        char *controller;
+        char *path;
+
+        Unit *unit;
+
+        struct cgroup *cgroup;
+
+        /* When shutting down, kill all tasks? */
+        bool kill_all:1;
+
+        /* When shutting down, remove cgroup? */
+        bool clean_up:1;
+
+        /* When our tasks are the only ones in this group */
+        bool only_us:1;
+
+        /* Inherit parameters from parent group */
+        bool inherit:1;
+
+        /* For the Unit::cgroup_bondings list */
+        LIST_FIELDS(CGroupBonding, by_unit);
+
+        /* For the Manager::cgroup_bondings hashmap */
+        LIST_FIELDS(CGroupBonding, by_path);
+};
+
+int cgroup_bonding_realize(CGroupBonding *b);
+int cgroup_bonding_realize_list(CGroupBonding *first);
+
+void cgroup_bonding_free(CGroupBonding *b);
+void cgroup_bonding_free_list(CGroupBonding *first);
+
+int cgroup_bonding_install(CGroupBonding *b, pid_t pid);
+int cgroup_bonding_install_list(CGroupBonding *first, pid_t pid);
+
+int cgroup_bonding_kill(CGroupBonding *b, int sig);
+int cgroup_bonding_kill_list(CGroupBonding *first, int sig);
+
+int cgroup_bonding_is_empty(CGroupBonding *b);
+int cgroup_bonding_is_empty_list(CGroupBonding *first);
+
+CGroupBonding *cgroup_bonding_find_list(CGroupBonding *first, const char *controller);
+
+#include "manager.h"
+
+int manager_setup_cgroup(Manager *m);
+int manager_shutdown_cgroup(Manager *m);
+
+int cgroup_notify_empty(Manager *m, const char *group);
+
+#endif