return 0;
}
+_public_ int sd_pid_get_unit(pid_t pid, char **unit) {
+ int r;
+ char *cgroup, *p, *at, *b;
+ size_t k;
+
+ if (!unit)
+ return -EINVAL;
+
+ r = pid_get_cgroup(pid, NULL, &cgroup);
+ if (r < 0)
+ return r;
+
+ if (!startswith(cgroup, "/system/")) {
+ free(cgroup);
+ return -ENOENT;
+ }
+
+ p = cgroup + 8;
+ k = strcspn(p, "/");
+
+ at = memchr(p, '@', k);
+ if (at && at[1] == '.') {
+ size_t j;
+
+ /* This is a templated service */
+ if (p[k] != '/') {
+ free(cgroup);
+ return -EIO;
+ }
+
+ j = strcspn(p+k+1, "/");
+
+ b = malloc(k + j + 1);
+
+ if (b) {
+ memcpy(b, p, at - p + 1);
+ memcpy(b + (at - p) + 1, p + k + 1, j);
+ memcpy(b + (at - p) + 1 + j, at + 1, k - (at - p) - 1);
+ b[k+j] = 0;
+ }
+ } else
+ b = strndup(p, k);
+
+ free(cgroup);
+
+ if (!b)
+ return -ENOMEM;
+
+ *unit = b;
+ return 0;
+}
+
_public_ int sd_pid_get_owner_uid(pid_t pid, uid_t *uid) {
int r;
char *root, *cgroup, *p, *cc;
return 0;
}
+_public_ int sd_session_get_service(const char *session, char **service) {
+ char *p, *s = NULL;
+ int r;
+
+ if (!session)
+ return -EINVAL;
+ if (!service)
+ return -EINVAL;
+
+ p = strappend("/run/systemd/sessions/", session);
+ if (!p)
+ return -ENOMEM;
+
+ r = parse_env_file(p, NEWLINE, "SERVICE", &s, NULL);
+ free(p);
+
+ if (r < 0) {
+ free(s);
+ return r;
+ }
+
+ if (isempty(s))
+ return -ENOENT;
+
+ *service = s;
+ return 0;
+}
+
_public_ int sd_seat_get_active(const char *seat, char **session, uid_t *uid) {
char *p, *s = NULL, *t = NULL;
int r;
return -ENOMEM;
r = parse_env_file(p, NEWLINE,
- "IS_VTCONSOLE", &s,
+ "CAN_MULTI_SESSION", &s,
NULL);
free(p);