X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fcore%2Fcgroup.c;h=4790a09ff24da9ecc2b9da8c09719fcd64500abc;hb=795607b22308f5b92073b012e43be1892fdd97c0;hp=5513f6560c26be9e74d68ac2e5a8a548cd564d45;hpb=9eb977db5b89b44f254ab40c1876a76b7d7ea2d0;p=elogind.git diff --git a/src/core/cgroup.c b/src/core/cgroup.c index 5513f6560..4790a09ff 100644 --- a/src/core/cgroup.c +++ b/src/core/cgroup.c @@ -110,7 +110,6 @@ 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; const char *path; @@ -120,7 +119,7 @@ int cgroup_bonding_install(CGroupBonding *b, pid_t pid, const char *cgroup_suffi assert(pid >= 0); if (cgroup_suffix) { - p = join(b->path, "/", cgroup_suffix, NULL); + p = strjoin(b->path, "/", cgroup_suffix, NULL); if (!p) return -ENOMEM; @@ -151,6 +150,34 @@ 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); @@ -208,7 +235,7 @@ int cgroup_bonding_kill(CGroupBonding *b, int sig, bool sigcont, bool rem, Set * return 0; if (cgroup_suffix) { - p = join(b->path, "/", cgroup_suffix, NULL); + p = strjoin(b->path, "/", cgroup_suffix, NULL); if (!p) return -ENOMEM; @@ -313,7 +340,7 @@ int manager_setup_cgroup(Manager *m) { goto finish; } - if (m->running_as == MANAGER_SYSTEM) + if (m->running_as == SYSTEMD_SYSTEM) strcpy(suffix, "/system"); else { snprintf(suffix, sizeof(suffix), "/systemd-%lu", (unsigned long) getpid()); @@ -330,8 +357,7 @@ int manager_setup_cgroup(Manager *m) { /* We need a new root cgroup */ m->cgroup_hierarchy = NULL; if (asprintf(&m->cgroup_hierarchy, "%s%s", streq(current, "/") ? "" : current, suffix) < 0) { - log_error("Out of memory"); - r = -ENOMEM; + r = log_oom(); goto finish; } } @@ -521,7 +547,8 @@ 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))