SYS_KEVENT               = 435 // { int|sys|50|kevent(int fd, const struct kevent *changelist, size_t nchanges, struct kevent *eventlist, size_t nevents, const struct timespec *timeout); }
	SYS_PSELECT              = 436 // { int|sys|50|pselect(int nd, fd_set *in, fd_set *ou, fd_set *ex, const struct timespec *ts, const sigset_t *mask); }

		if err != nil {
			return nil, err
		}
		if event.Type(ev) != go122.EvCPUSample {
			return nil, fmt.Errorf("expected CPU sample event, got %d", ev)
		}

		// Read the sample's timestamp.
		ts, err := binary.ReadUvarint(r)
		if err != nil {
			return nil, err
		}

		// Read the sample's M.
		m, err := binary.ReadUvarint(r)
		if err != nil {
			return nil, err
		}
		mid := ThreadID(m)

	// spurious wakeups are allowed.
	if ns < 0 {
		futex(unsafe.Pointer(addr), _FUTEX_WAIT_PRIVATE, val, nil, nil, 0)
		return
	}

	var ts timespec
	ts.setNsec(ns)
	futex(unsafe.Pointer(addr), _FUTEX_WAIT_PRIVATE, val, unsafe.Pointer(&ts), nil, 0)
}

// If any procs are sleeping on addr, wake up at most cnt.
//
//go:nosplit
func futexwakeup(addr *uint32, cnt uint32) {

	SYS_KEVENT               = 435 // { int|sys|50|kevent(int fd, const struct kevent *changelist, size_t nchanges, struct kevent *eventlist, size_t nevents, const struct timespec *timeout); }
	SYS_PSELECT              = 436 // { int|sys|50|pselect(int nd, fd_set *in, fd_set *ou, fd_set *ex, const struct timespec *ts, const sigset_t *mask); }

	SYS_KEVENT               = 435 // { int|sys|50|kevent(int fd, const struct kevent *changelist, size_t nchanges, struct kevent *eventlist, size_t nevents, const struct timespec *timeout); }
	SYS_PSELECT              = 436 // { int|sys|50|pselect(int nd, fd_set *in, fd_set *ou, fd_set *ex, const struct timespec *ts, const sigset_t *mask); }

	SYS_PPOLL          = 109 // { int sys_ppoll(struct pollfd *fds, u_int nfds, const struct timespec *ts, const sigset_t *mask); }
	SYS_PSELECT        = 110 // { int sys_pselect(int nd, fd_set *in, fd_set *ou, fd_set *ex, const struct timespec *ts, const sigset_t *mask); }
	SYS_SIGSUSPEND     = 111 // { int sys_sigsuspend(int mask); }

	SYS_PPOLL          = 109 // { int sys_ppoll(struct pollfd *fds, u_int nfds, const struct timespec *ts, const sigset_t *mask); }
	SYS_PSELECT        = 110 // { int sys_pselect(int nd, fd_set *in, fd_set *ou, fd_set *ex, const struct timespec *ts, const sigset_t *mask); }
	SYS_SIGSUSPEND     = 111 // { int sys_sigsuspend(int mask); }

	MOVWU	usec+0(FP), R3
	MOVV	R3, R5
	MOVW	$1000000, R4
	DIVVU	R4, R3
	MOVV	LO, R3
	MOVV	R3, 8(R29)
	MOVW	$1000, R4
	MULVU	R3, R4
	MOVV	LO, R4
	SUBVU	R4, R5
	MOVV	R5, 16(R29)

	// nanosleep(&ts, 0)
	ADDV	$8, R29, R4
	MOVW	$0, R5
	MOVV	$SYS_nanosleep, R2
	SYSCALL
	RET

TEXT runtime·gettid(SB),NOSPLIT,$0-4
	MOVV	$SYS_gettid, R2
	SYSCALL
	MOVW	R2, ret+0(FP)
	RET

	SYS_KEVENT               = 435 // { int|sys|50|kevent(int fd, const struct kevent *changelist, size_t nchanges, struct kevent *eventlist, size_t nevents, const struct timespec *timeout); }
	SYS_PSELECT              = 436 // { int|sys|50|pselect(int nd, fd_set *in, fd_set *ou, fd_set *ex, const struct timespec *ts, const sigset_t *mask); }

				c.TransportSocketMatches = hboneOrPlaintextSocket
			} else {
				ts := c.TransportSocket
				c.TransportSocket = nil

				c.TransportSocketMatches = []*cluster.Cluster_TransportSocketMatch{
					hboneTransportSocket,
					{
						Name:            "tlsMode-" + model.IstioMutualTLSModeLabel,
						TransportSocket: ts,
					},
				}
			}
		}
	}
}