X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fcgroup.c;h=182dd59eec5aea5d09fcada8b32c63d5ca259955;hp=9680cd6d2a18886c6e671b7b10c96fd8f3fb1b5b;hb=acb14d318b84bda00d1e666d7dab6794d5bbeb3f;hpb=8f53a7b8ea9ba505f8fefe4df4aaa5a8aab1e2eb diff --git a/src/cgroup.c b/src/cgroup.c index 9680cd6d2..182dd59ee 100644 --- a/src/cgroup.c +++ b/src/cgroup.c @@ -60,32 +60,27 @@ int cgroup_bonding_realize_list(CGroupBonding *first) { return 0; } -void cgroup_bonding_free(CGroupBonding *b, bool remove_or_trim) { +void cgroup_bonding_free(CGroupBonding *b, bool trim) { assert(b); if (b->unit) { CGroupBonding *f; - LIST_REMOVE(CGroupBonding, by_unit, b->unit->meta.cgroup_bondings, b); + LIST_REMOVE(CGroupBonding, by_unit, b->unit->cgroup_bondings, b); if (streq(b->controller, SYSTEMD_CGROUP_CONTROLLER)) { - assert_se(f = hashmap_get(b->unit->meta.manager->cgroup_bondings, b->path)); + assert_se(f = hashmap_get(b->unit->manager->cgroup_bondings, b->path)); LIST_REMOVE(CGroupBonding, by_path, f, b); if (f) - hashmap_replace(b->unit->meta.manager->cgroup_bondings, b->path, f); + hashmap_replace(b->unit->manager->cgroup_bondings, b->path, f); else - hashmap_remove(b->unit->meta.manager->cgroup_bondings, b->path); + hashmap_remove(b->unit->manager->cgroup_bondings, b->path); } } - if (b->realized && b->ours && remove_or_trim) { - - if (cgroup_bonding_is_empty(b) > 0) - cg_delete(b->controller, b->path); - else - cg_trim(b->controller, b->path, false); - } + if (b->realized && b->ours && trim) + cg_trim(b->controller, b->path, false); free(b->controller); free(b->path); @@ -159,21 +154,21 @@ int cgroup_bonding_set_group_access_list(CGroupBonding *first, mode_t mode, uid_ return 0; } -int cgroup_bonding_set_task_access(CGroupBonding *b, mode_t mode, uid_t uid, gid_t gid) { +int cgroup_bonding_set_task_access(CGroupBonding *b, mode_t mode, uid_t uid, gid_t gid, int sticky) { assert(b); if (!b->realized) return -EINVAL; - return cg_set_task_access(b->controller, b->path, mode, uid, gid); + return cg_set_task_access(b->controller, b->path, mode, uid, gid, sticky); } -int cgroup_bonding_set_task_access_list(CGroupBonding *first, mode_t mode, uid_t uid, gid_t gid) { +int cgroup_bonding_set_task_access_list(CGroupBonding *first, mode_t mode, uid_t uid, gid_t gid, int sticky) { CGroupBonding *b; int r; LIST_FOREACH(by_unit, b, first) { - r = cgroup_bonding_set_task_access(b, mode, uid, gid); + r = cgroup_bonding_set_task_access(b, mode, uid, gid, sticky); if (r < 0) return r; } @@ -360,15 +355,55 @@ void manager_shutdown_cgroup(Manager *m, bool delete) { m->cgroup_hierarchy = NULL; } +int cgroup_bonding_get(Manager *m, const char *cgroup, CGroupBonding **bonding) { + CGroupBonding *b; + char *p; + + assert(m); + assert(cgroup); + assert(bonding); + + b = hashmap_get(m->cgroup_bondings, cgroup); + if (!b) { + *bonding = b; + return 1; + } + + p = strdup(cgroup); + if (!p) + return -ENOMEM; + + for (;;) { + char *e; + + e = strrchr(p, '/'); + if (!e || e == p) { + free(p); + *bonding = NULL; + return 0; + } + + *e = 0; + + b = hashmap_get(m->cgroup_bondings, p); + if (b) { + free(p); + *bonding = b; + return 1; + } + } +} + int cgroup_notify_empty(Manager *m, const char *group) { CGroupBonding *l, *b; + int r; assert(m); assert(group); - l = hashmap_get(m->cgroup_bondings, group); - if (!l) - return 0; + r = cgroup_bonding_get(m, group, &l); + if (r <= 0) + return r; LIST_FOREACH(by_path, b, l) { int t; @@ -388,7 +423,7 @@ int cgroup_notify_empty(Manager *m, const char *group) { if (t > 0) { /* If it is empty, let's delete it */ - cgroup_bonding_trim_list(b->unit->meta.cgroup_bondings, true); + cgroup_bonding_trim_list(b->unit->cgroup_bondings, true); if (UNIT_VTABLE(b->unit)->cgroup_notify_empty) UNIT_VTABLE(b->unit)->cgroup_notify_empty(b->unit);