xpc_heartbeat_uv
struct xpc_heartbeat_uv cached_heartbeat; /* cached copy of */
static struct xpc_heartbeat_uv *xpc_heartbeat_uv;
xpc_heartbeat_uv =
rp->sn.uv.heartbeat_gpa = uv_gpa(xpc_heartbeat_uv);
xpc_heartbeat_uv->value++;
xpc_heartbeat_uv->offline = 1;
xpc_heartbeat_uv->offline = 0;
xpc_heartbeat_uv->value = 1;
xpc_heartbeat_uv->offline = 0;
sizeof(struct xpc_heartbeat_uv));