diff options
Diffstat (limited to 'src/shared/cgroup-util.h')
-rw-r--r-- | src/shared/cgroup-util.h | 52 |
1 files changed, 46 insertions, 6 deletions
diff --git a/src/shared/cgroup-util.h b/src/shared/cgroup-util.h index af2efc39b4..25dd277ba5 100644 --- a/src/shared/cgroup-util.h +++ b/src/shared/cgroup-util.h @@ -28,6 +28,21 @@ #include "set.h" #include "def.h" +/* + * General rules: + * + * We accept named hierarchies in the syntax "foo" and "name=foo". + * + * We expect that named hierarchies do not conflict in name with a + * kernel hierarchy, modulo the "name=" prefix. + * + * We always generate "normalized" controller names, i.e. without the + * "name=" prefix. + * + * We require absolute cgroup paths. When returning, we will always + * generate paths with multiple adjacent / removed. + */ + int cg_enumerate_processes(const char *controller, const char *path, FILE **_f); int cg_enumerate_tasks(const char *controller, const char *path, FILE **_f); int cg_read_pid(FILE *f, pid_t *_pid); @@ -39,23 +54,24 @@ int cg_kill(const char *controller, const char *path, int sig, bool sigcont, boo int cg_kill_recursive(const char *controller, const char *path, int sig, bool sigcont, bool ignore_self, bool remove, Set *s); int cg_kill_recursive_and_wait(const char *controller, const char *path, bool remove); -int cg_migrate(const char *controller, const char *from, const char *to, bool ignore_self); -int cg_migrate_recursive(const char *controller, const char *from, const char *to, bool ignore_self, bool remove); +int cg_migrate(const char *cfrom, const char *pfrom, const char *cto, const char *pto, bool ignore_self); +int cg_migrate_recursive(const char *cfrom, const char *pfrom, const char *cto, const char *pto, bool ignore_self, bool remove); int cg_split_spec(const char *spec, char **controller, char **path); int cg_join_spec(const char *controller, const char *path, char **spec); -int cg_fix_path(const char *path, char **result); +int cg_mangle_path(const char *path, char **result); int cg_get_path(const char *controller, const char *path, const char *suffix, char **fs); int cg_get_path_and_check(const char *controller, const char *path, const char *suffix, char **fs); -int cg_get_by_pid(const char *controller, pid_t pid, char **path); + +int cg_pid_get_path(const char *controller, pid_t pid, char **path); int cg_trim(const char *controller, const char *path, bool delete_root); int cg_rmdir(const char *controller, const char *path, bool honour_sticky); int cg_delete(const char *controller, const char *path); -int cg_create(const char *controller, const char *path); +int cg_create(const char *controller, const char *path, const char *suffix); int cg_attach(const char *controller, const char *path, pid_t pid); int cg_create_and_attach(const char *controller, const char *path, pid_t pid); @@ -68,8 +84,32 @@ int cg_is_empty(const char *controller, const char *path, bool ignore_self); int cg_is_empty_by_spec(const char *spec, bool ignore_self); int cg_is_empty_recursive(const char *controller, const char *path, bool ignore_self); +int cg_get_root_path(char **path); +int cg_get_system_path(char **path); int cg_get_user_path(char **path); -int cg_pid_get_cgroup(pid_t pid, char **root, char **cgroup); +int cg_get_machine_path(const char *machine, char **path); + +int cg_path_get_session(const char *path, char **session); +int cg_path_get_owner_uid(const char *path, uid_t *uid); +int cg_path_get_unit(const char *path, char **unit); +int cg_path_get_user_unit(const char *path, char **unit); +int cg_path_get_machine_name(const char *path, char **machine); + +int cg_pid_get_path_shifted(pid_t pid, char **root, char **cgroup); + +int cg_pid_get_session(pid_t pid, char **session); +int cg_pid_get_owner_uid(pid_t pid, uid_t *uid); int cg_pid_get_unit(pid_t pid, char **unit); +int cg_pid_get_user_unit(pid_t pid, char **unit); +int cg_pid_get_machine_name(pid_t pid, char **machine); + +int cg_path_decode_unit(const char *cgroup, char **unit); char **cg_shorten_controllers(char **controllers); + +int cg_controller_from_attr(const char *attr, char **controller); + +char *cg_escape(const char *p); +char *cg_unescape(const char *p) _pure_; + +bool cg_controller_is_valid(const char *p, bool allow_named); |