IMSG_SETUP_DONE
CASE(IMSG_SETUP_DONE);
if (imsg_compose(&p->imsgbuf, IMSG_SETUP_DONE, 0, 0, -1, NULL, 0) == -1)
if (imsg.hdr.type != IMSG_SETUP_DONE)
case IMSG_SETUP_DONE:
if (imsg_compose(ibuf, IMSG_SETUP_DONE, 0, 0, -1, NULL, 0) == -1)