IORING_RECV_MSHOT_CAP
IORING_RECV_MSHOT_CAP | IORING_RECV_MSHOT_DONE,
sr->flags |= IORING_RECV_MSHOT_CAP;
!(sr->flags & IORING_RECV_MSHOT_CAP)) {
sr->flags &= ~IORING_RECV_MSHOT_CAP;