}
_public_ int sd_pid_get_owner_uid(pid_t pid, uid_t *uid) {
- int r;
- _cleanup_free_ char *root = NULL, *cgroup = NULL, *cc = NULL;
- char *p;
- struct stat st;
if (pid < 0)
return -EINVAL;
if (!uid)
return -EINVAL;
- r = cg_pid_get_path_shifted(pid, &root, &cgroup);
- if (r < 0)
- return r;
-
- if (!startswith(cgroup, "/user/"))
- return -ENOENT;
-
- p = strchr(cgroup + 6, '/');
- if (!p)
- return -ENOENT;
-
- p++;
- p += strcspn(p, "/");
- *p = 0;
-
- r = cg_get_path(SYSTEMD_CGROUP_CONTROLLER, root, cgroup, &cc);
-
- if (r < 0)
- return -ENOMEM;
-
- r = lstat(cc, &st);
-
- if (r < 0)
- return -errno;
-
- if (!S_ISDIR(st.st_mode))
- return -ENOTDIR;
-
- *uid = st.st_uid;
- return 0;
+ return cg_pid_get_owner_uid(pid, uid);
}
_public_ int sd_uid_get_state(uid_t uid, char**state) {
return r;
}
+_public_ int sd_get_machine_names(char ***machines) {
+ _cleanup_closedir_ DIR *d = NULL;
+ _cleanup_strv_free_ char **l = NULL;
+ _cleanup_free_ char *md = NULL;
+ char *n;
+ int c = 0, r;
+
+ r = cg_get_machine_path(NULL, &md);
+ if (r < 0)
+ return r;
+
+ r = cg_enumerate_subgroups(SYSTEMD_CGROUP_CONTROLLER, md, &d);
+ if (r < 0)
+ return r;
+
+ while ((r = cg_read_subgroup(d, &n)) > 0) {
+
+ r = strv_push(&l, n);
+ if (r < 0) {
+ free(n);
+ return -ENOMEM;
+ }
+
+ c++;
+ }
+
+ if (r < 0)
+ return r;
+
+ if (machines) {
+ *machines = l;
+ l = NULL;
+ }
+
+ return c;
+}
+
static inline int MONITOR_TO_FD(sd_login_monitor *m) {
return (int) (unsigned long) m - 1;
}
good = true;
}
+ if (!category || streq(category, "machine")) {
+ _cleanup_free_ char *md = NULL, *p = NULL;
+ int r;
+
+ r = cg_get_machine_path(NULL, &md);
+ if (r < 0)
+ return r;
+
+ r = cg_get_path(SYSTEMD_CGROUP_CONTROLLER, md, NULL, &p);
+ if (r < 0)
+ return r;
+
+ k = inotify_add_watch(fd, p, IN_MOVED_TO|IN_CREATE|IN_DELETE);
+ if (k < 0) {
+ close_nointr_nofail(fd);
+ return -errno;
+ }
+
+ good = true;
+ }
+
if (!good) {
close_nointr(fd);
return -EINVAL;