if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
	r0, _, e1 := Syscall(SYS_RECVMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
	n = int(r0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
	r0, _, e1 := Syscall(SYS_RECVMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
	n = int(r0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
	r0, _, e1 := Syscall(SYS_RECVMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
	n = int(r0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
	r0, _, e1 := Syscall(SYS_RECVMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
	n = int(r0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
	r0, _, e1 := Syscall(SYS_RECVMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
	n = int(r0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

	fd = int(r0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
	r0, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&proc__xnet_recvmsg)), 3, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags), 0, 0, 0)
	n = int(r0)
	if e1 != 0 {

				iov = iova[:]
			}
		}
		msg.Control = &oob[0]
		msg.SetControllen(len(oob))
	}
	if len(iov) > 0 {
		msg.Iov = &iov[0]
		msg.SetIovlen(len(iov))
	}
	if n, err = recvmsg(fd, &msg, flags); err != nil {
		return
	}
	oobn = int(msg.Controllen)
	recvflags = int(msg.Flags)
	return
}

	runtime.ExitSyscall()
	if int64(r0) == -1 {
		err = errnoErr2(e1, e2)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
	runtime.EnterSyscall()
	r0, e2, e1 := CallLeFuncWithErr(GetZosLibVec()+SYS___RECVMSG_A<<4, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
	runtime.ExitSyscall()

	} else {
		m.send(message{Op: OpDisconnectClientMux, MuxID: m.ID})
	}
	// Unlock, since we are calling deleteMux, which will call close - which will lock recvMu.
	if locked {
		m.recvMu.Unlock()
		defer m.recvMu.Lock()
	}
	m.parent.deleteMux(true, m.ID)
}

func (m *muxServer) send(msg message) {
	m.sendMu.Lock()
	defer m.sendMu.Unlock()
	msg.MuxID = m.ID
	msg.Seq = m.SendSeq

	}
	_, _, err = ucw.WriteMsgUnix(nil, rights, nil)
	if err != nil {
		t.Fatalf("UnixConn readMsg: %v", err)
	}
	err = ucr.SetReadDeadline(time.Now().Add(5 * time.Second))
	if err != nil {
		t.Fatalf("Can't set unix connection timeout: %v", err)
	}
	_, oobn, _, _, err := ucr.ReadMsgUnix(nil, oob)
	if err != nil {
		t.Fatalf("UnixConn readMsg: %v", err)
	}

	scms, err := syscall.ParseSocketControlMessage(oob[:oobn])