+
+ switch (tracker_type) {
+ case LTTNG_TRACKER_PID:
+ DBG("Kernel track PID %d for session id %" PRIu64 ".", value,
+ session->id);
+ ret = kernctl_track_pid(session->fd, value);
+ if (!ret) {
+ ret = LTTNG_OK;
+ goto end;
+ }
+ break;
+ case LTTNG_TRACKER_VPID:
+ DBG("Kernel track VPID %d for session id %" PRIu64 ".", value,
+ session->id);
+ ret = kernctl_track_id(session->fd, LTTNG_TRACKER_VPID, value);
+ if (!ret) {
+ ret = LTTNG_OK;
+ goto end;
+ }
+ break;
+ case LTTNG_TRACKER_UID:
+ DBG("Kernel track UID %d for session id %" PRIu64 ".", value,
+ session->id);
+ ret = kernctl_track_id(session->fd, LTTNG_TRACKER_UID, value);
+ if (!ret) {
+ ret = LTTNG_OK;
+ goto end;
+ }
+ break;
+ case LTTNG_TRACKER_GID:
+ DBG("Kernel track GID %d for session id %" PRIu64 ".", value,
+ session->id);
+ ret = kernctl_track_id(session->fd, LTTNG_TRACKER_GID, value);
+ if (!ret) {
+ ret = LTTNG_OK;
+ goto end;
+ }
+ break;
+ case LTTNG_TRACKER_VUID:
+ DBG("Kernel track VUID %d for session id %" PRIu64 ".", value,
+ session->id);
+ ret = kernctl_track_id(session->fd, LTTNG_TRACKER_VUID, value);
+ if (!ret) {
+ ret = LTTNG_OK;
+ goto end;
+ }
+ break;
+ case LTTNG_TRACKER_VGID:
+ DBG("Kernel track VGID %d for session id %" PRIu64 ".", value,
+ session->id);
+ ret = kernctl_track_id(session->fd, LTTNG_TRACKER_VGID, value);
+ if (!ret) {
+ ret = LTTNG_OK;
+ goto end;
+ }
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ /* Error handling. */