go send(c)
	go recv(c)
}

// direct send to select recv
func test2(c int) {
	ca := mkchan(c, 4)

	changeNproc(4)
	go send(ca[0])
	go send(ca[1])
	go send(ca[2])
	go send(ca[3])

	changeNproc(1)
	go sel(ca[0], ca[1], ca[2], ca[3], nc, nc, nc, nc)
}

// select send to direct recv
func test3(c int) {
	ca := mkchan(c, 4)

	changeNproc(4)
	go recv(ca[0])
	go recv(ca[1])

	if t == nil {
		return n
	}
	if !t.IsChan() {
		base.Errorf("invalid operation: %v (send to non-chan type %v)", n, t)
		return n
	}

	if !t.ChanDir().CanSend() {
		base.Errorf("invalid operation: %v (send to receive-only type %v)", n, t)
		return n
	}

	n.Value = AssignConv(n.Value, t.Elem(), "send")
	if n.Value.Type() == nil {
		return n
	}
	return n
}

func selectnbsend(hchan chan<- any, elem *any) bool
func selectnbrecv(elem *any, hchan <-chan any) (bool, bool)

func selectsetpc(pc *uintptr)
func selectgo(cas0 *byte, order0 *byte, pc0 *uintptr, nsends int, nrecvs int, block bool) (int, bool)
func block()

func makeslice(typ *byte, len int, cap int) unsafe.Pointer
func makeslice64(typ *byte, len int64, cap int64) unsafe.Pointer

            TestListenerInterface listener = objectConnection.addOutgoing(TestListenerInterface.class)
            listener.send("1", 0)
            listener.send("1", 1)
            listener.send("1", 2)
            listener.send("stop", 3)
        })

        then:
        noExceptionThrown()
    }

    def multipleWorkerProcessesCanSendMessagesToThisProcess() {
        when:

import org.dbflute.mail.send.SMailDeliveryDepartment;
import org.dbflute.mail.send.SMailPostalMotorbike;
import org.dbflute.mail.send.SMailPostalParkingLot;
import org.dbflute.mail.send.SMailPostalPersonnel;
import org.dbflute.mail.send.embedded.personnel.SMailDogmaticPostalPersonnel;
import org.dbflute.mail.send.embedded.receptionist.SMailConventionReceptionist;
import org.dbflute.mail.send.supplement.async.SMailAsyncStrategy;

    And this path operation will:

    * Send the invoice to the client.
    * Collect the money from the client.
    * Send a notification back to the API user (the external developer), as a callback.
        * At this point is that the API will somehow send a POST request to the
            external API with the notification of the invoice event
            (e.g. "payment successful").
    """

  override fun dnsStart(
    call: Call,
    domainName: String,
  ) = logEvent(DnsStart(System.nanoTime(), call, domainName))

  override fun dnsEnd(
    call: Call,
    domainName: String,
    inetAddressList: List<InetAddress>,
  ) = logEvent(DnsEnd(System.nanoTime(), call, domainName, inetAddressList))

  override fun connectStart(
    call: Call,
    inetSocketAddress: InetSocketAddress,

    }

    @Override public void dnsStart(Call call, String domainName) {
      printEvent("dnsStart");
    }

    @Override public void dnsEnd(Call call, String domainName, List<InetAddress> inetAddressList) {
      printEvent("dnsEnd");
    }

    @Override public void connectStart(
        Call call, InetSocketAddress inetSocketAddress, Proxy proxy) {
      printEvent("connectStart");
    }

const (
	// see linux/net.h
	_SOCKET      = 1
	_BIND        = 2
	_CONNECT     = 3
	_LISTEN      = 4
	_ACCEPT      = 5
	_GETSOCKNAME = 6
	_GETPEERNAME = 7
	_SOCKETPAIR  = 8
	_SEND        = 9
	_RECV        = 10
	_SENDTO      = 11
	_RECVFROM    = 12
	_SHUTDOWN    = 13
	_SETSOCKOPT  = 14
	_GETSOCKOPT  = 15
	_SENDMSG     = 16
	_RECVMSG     = 17
	_ACCEPT4     = 18

    And this path operation will:

    * Send the invoice to the client.
    * Collect the money from the client.
    * Send a notification back to the API user (the external developer), as a callback.
        * At this point is that the API will somehow send a POST request to the
            external API with the notification of the invoice event
            (e.g. "payment successful").
    """