bus: rename KDBUS_CMD_FNAME_POLICY_NONE -> KDBUS_CMD_FNAME_POLICY_OPEN

[elogind.git] / src / core / cgroup.c

diff --git a/src/core/cgroup.c b/src/core/cgroup.c
index 8fc1731485986c08f184b6e0dbca2c03bcfc27fe..b07bd7e6be16556dda6579515d2b71a240cbcdee 100644 (file)
--- a/src/core/cgroup.c
+++ b/src/core/cgroup.c
@@ -110,9 +110,8 @@ void cgroup_bonding_trim_list(CGroupBonding *first, bool delete_root) {
                 cgroup_bonding_trim(b, delete_root);
 }
 
-
 int cgroup_bonding_install(CGroupBonding *b, pid_t pid, const char *cgroup_suffix) {
-        char *p = NULL;
+        _cleanup_free_ char *p = NULL;
         const char *path;
         int r;
 
@@ -129,8 +128,6 @@ int cgroup_bonding_install(CGroupBonding *b, pid_t pid, const char *cgroup_suffi
                 path = b->path;
 
         r = cg_create_and_attach(b->controller, path, pid);
-        free(p);
-
         if (r < 0)
                 return r;
 
@@ -151,6 +148,34 @@ int cgroup_bonding_install_list(CGroupBonding *first, pid_t pid, const char *cgr
         return 0;
 }
 
+int cgroup_bonding_migrate(CGroupBonding *b, CGroupBonding *list) {
+        CGroupBonding *q;
+        int ret = 0;
+
+        LIST_FOREACH(by_unit, q, list) {
+                int r;
+
+                if (q == b)
+                        continue;
+
+                if (!q->ours)
+                        continue;
+
+                r = cg_migrate_recursive(q->controller, q->path, b->controller, b->path, true, false);
+                if (r < 0 && ret == 0)
+                        ret = r;
+        }
+
+        return ret;
+}
+
+int cgroup_bonding_migrate_to(CGroupBonding *b, const char *target, bool rem) {
+        assert(b);
+        assert(target);
+
+        return cg_migrate_recursive(b->controller, b->path, b->controller, target, true, rem);
+}
+
 int cgroup_bonding_set_group_access(CGroupBonding *b, mode_t mode, uid_t uid, gid_t gid) {
         assert(b);
 
@@ -411,7 +436,7 @@ int cgroup_bonding_get(Manager *m, const char *cgroup, CGroupBonding **bonding)
                 return 1;
         }
 
-        p = strdup(cgroup);
+        p = strdupa(cgroup);
         if (!p)
                 return -ENOMEM;
 
@@ -419,8 +444,7 @@ int cgroup_bonding_get(Manager *m, const char *cgroup, CGroupBonding **bonding)
                 char *e;
 
                 e = strrchr(p, '/');
-                if (!e || e == p) {
-                        free(p);
+                if (e == p || !e) {
                         *bonding = NULL;
                         return 0;
                 }
@@ -429,7 +453,6 @@ int cgroup_bonding_get(Manager *m, const char *cgroup, CGroupBonding **bonding)
 
                 b = hashmap_get(m->cgroup_bondings, p);
                 if (b) {
-                        free(p);
                         *bonding = b;
                         return 1;
                 }
@@ -520,7 +543,8 @@ Unit* cgroup_unit_by_pid(Manager *m, pid_t pid) {
 CGroupBonding *cgroup_bonding_find_list(CGroupBonding *first, const char *controller) {
         CGroupBonding *b;
 
-        assert(controller);
+        if (!controller)
+                controller = SYSTEMD_CGROUP_CONTROLLER;
 
         LIST_FOREACH(by_unit, b, first)
                 if (streq(b->controller, controller))