assert_return(call->bus && BUS_IS_OPEN(call->bus->state), -ENOTCONN);
assert_return(!bus_pid_changed(call->bus), -ECHILD);
assert_return(call->bus && BUS_IS_OPEN(call->bus->state), -ENOTCONN);
assert_return(!bus_pid_changed(call->bus), -ECHILD);
assert_return(call->bus && BUS_IS_OPEN(call->bus->state), -ENOTCONN);
assert_return(!bus_pid_changed(call->bus), -ECHILD);
assert_return(call->bus && BUS_IS_OPEN(call->bus->state), -ENOTCONN);
assert_return(!bus_pid_changed(call->bus), -ECHILD);
assert_return(call->bus && BUS_IS_OPEN(call->bus->state), -ENOTCONN);
assert_return(!bus_pid_changed(call->bus), -ECHILD);
assert_return(call->bus && BUS_IS_OPEN(call->bus->state), -ENOTCONN);
assert_return(!bus_pid_changed(call->bus), -ECHILD);
assert_return(call->bus && BUS_IS_OPEN(call->bus->state), -ENOTCONN);
assert_return(!bus_pid_changed(call->bus), -ECHILD);
assert_return(call->bus && BUS_IS_OPEN(call->bus->state), -ENOTCONN);
assert_return(!bus_pid_changed(call->bus), -ECHILD);
assert_return(call->bus && BUS_IS_OPEN(call->bus->state), -ENOTCONN);
assert_return(!bus_pid_changed(call->bus), -ECHILD);
assert_return(call->bus && BUS_IS_OPEN(call->bus->state), -ENOTCONN);
assert_return(!bus_pid_changed(call->bus), -ECHILD);