if (!t)
return -ENOMEM;
- path_kill_slashes(t);
-
- *fs = t;
+ *fs = path_kill_slashes(t);
return 0;
}
assert(p);
/* Check if this controller actually really exists */
- cc = alloca(sizeof("/sys/fs/cgroup/") + strlen(p));
+ cc = alloca(strlen("/sys/fs/cgroup/") + strlen(p) + 1);
strcpy(stpcpy(cc, "/sys/fs/cgroup/"), p);
if (access(cc, F_OK) < 0)
return -errno;
if (pid == 0)
pid = getpid();
- snprintf(c, sizeof(c), "%lu\n", (unsigned long) pid);
+ snprintf(c, sizeof(c), PID_FMT"\n", pid);
return write_string_file(fs, c);
}
if (!t)
return -ENOMEM;
- path_kill_slashes(t);
- *path = t;
+ *path = path_kill_slashes(t);
}
if (controller)
assert(path);
assert(result);
- /* First check if it already is a filesystem path */
+ /* First, check if it already is a filesystem path */
if (path_startswith(path, "/sys/fs/cgroup")) {
t = strdup(path);
if (!t)
return -ENOMEM;
- path_kill_slashes(t);
- *result = t;
+ *result = path_kill_slashes(t);
return 0;
}
- /* Otherwise treat it as cg spec */
+ /* Otherwise, treat it as cg spec */
r = cg_split_spec(path, &c, &p);
if (r < 0)
return r;
return r;
}
-int cg_migrate_everywhere(CGroupControllerMask supported, const char *from, const char *to) {
+int cg_migrate_everywhere(CGroupControllerMask supported, const char *from, const char *to, cg_migrate_callback_t to_callback, void *userdata) {
CGroupControllerMask bit = 1;
const char *n;
int r;
}
NULSTR_FOREACH(n, mask_names) {
- if (supported & bit)
- cg_migrate_recursive_fallback(SYSTEMD_CGROUP_CONTROLLER, to, n, to, false, false);
+ if (supported & bit) {
+ const char *p = NULL;
+
+ if (to_callback)
+ p = to_callback(bit, userdata);
+
+ if (!p)
+ p = to;
+
+ cg_migrate_recursive_fallback(SYSTEMD_CGROUP_CONTROLLER, to, n, p, false, false);
+ }
bit <<= 1;
}