add_credits_and_wake_if
add_credits_and_wake_if(wdata->server, &wdata->credits, 0);
add_credits_and_wake_if(wdata->server, &wdata->credits, 0);
add_credits_and_wake_if(rdata->server, &rdata->credits, 0);
add_credits_and_wake_if(rdata->server, &rdata->credits, 0);
add_credits_and_wake_if(wdata->server, &wdata->credits, 0);
add_credits_and_wake_if(server, &credits, optype);
add_credits_and_wake_if(server, &credits, optype);
add_credits_and_wake_if(server, &credits, optype);