SYS_MKNODAT                  = 559 // { int mknodat(int fd, char *path, mode_t mode, dev_t dev); }
	SYS_KEVENT                   = 560 // { int kevent(int fd, struct kevent *changelist, int nchanges, struct kevent *eventlist, int nevents, const struct timespec *timeout); }

	SYS_SELECT         = 71  // { int sys_select(int nd, fd_set *in, fd_set *ou, fd_set *ex, struct timeval *tv); }
	SYS_KEVENT         = 72  // { int sys_kevent(int fd, const struct kevent *changelist, int nchanges, struct kevent *eventlist, int nevents, const struct timespec *timeout); }
	SYS_MUNMAP         = 73  // { int sys_munmap(void *addr, size_t len); }
	SYS_MPROTECT       = 74  // { int sys_mprotect(void *addr, size_t len, int prot); }

	MOVQ	$0, DI
	MOVQ	$0, SI
	MOVQ	$0, DX
	MOVL	$SYS_kqueue, AX
	SYSCALL
	JCC	2(PC)
	NEGQ	AX
	MOVL	AX, ret+0(FP)
	RET

// int32 runtime·kevent(int kq, Kevent *changelist, int nchanges, Kevent *eventlist, int nevents, Timespec *timeout);
TEXT runtime·kevent(SB),NOSPLIT,$0
	MOVL	kq+0(FP), DI
	MOVQ	ch+8(FP), SI
	MOVL	nch+16(FP), DX
	MOVQ	ev+24(FP), R10
	MOVL	nev+32(FP), R8
	MOVQ	ts+40(FP), R9

	SYS_SELECT         = 71  // { int sys_select(int nd, fd_set *in, fd_set *ou, fd_set *ex, struct timeval *tv); }
	SYS_KEVENT         = 72  // { int sys_kevent(int fd, const struct kevent *changelist, int nchanges, struct kevent *eventlist, int nevents, const struct timespec *timeout); }
	SYS_MUNMAP         = 73  // { int sys_munmap(void *addr, size_t len); }
	SYS_MPROTECT       = 74  // { int sys_mprotect(void *addr, size_t len, int prot); }

	SYS_SELECT         = 71  // { int sys_select(int nd, fd_set *in, fd_set *ou, fd_set *ex, struct timeval *tv); }
	SYS_KEVENT         = 72  // { int sys_kevent(int fd, const struct kevent *changelist, int nchanges, struct kevent *eventlist, int nevents, const struct timespec *timeout); }
	SYS_MUNMAP         = 73  // { int sys_munmap(void *addr, size_t len); }
	SYS_MPROTECT       = 74  // { int sys_mprotect(void *addr, size_t len, int prot); }

	SYS_SELECT         = 71  // { int sys_select(int nd, fd_set *in, fd_set *ou, fd_set *ex, struct timeval *tv); }
	SYS_KEVENT         = 72  // { int sys_kevent(int fd, const struct kevent *changelist, int nchanges, struct kevent *eventlist, int nevents, const struct timespec *timeout); }
	SYS_MUNMAP         = 73  // { int sys_munmap(void *addr, size_t len); }
	SYS_MPROTECT       = 74  // { int sys_mprotect(void *addr, size_t len, int prot); }

//go:cgo_unsafe_args
func kqueue() int32 {
	v := libcCall(unsafe.Pointer(abi.FuncPCABI0(kqueue_trampoline)), nil)
	return v
}
func kqueue_trampoline()

//go:nosplit
//go:cgo_unsafe_args
func kevent(kq int32, ch *keventt, nch int32, ev *keventt, nev int32, ts *timespec) int32 {
	ret := libcCall(unsafe.Pointer(abi.FuncPCABI0(kevent_trampoline)), unsafe.Pointer(&kq))
	KeepAlive(ch)
	KeepAlive(ev)
	KeepAlive(ts)
	return ret
}

	SYS_KQUEUE                   = 362 // { int kqueue(void); }
	SYS_KEVENT                   = 363 // { int kevent(int fd, struct kevent *changelist, int nchanges, struct kevent *eventlist, int nevents, const struct timespec *timeout); }
	SYS_EXTATTR_SET_FD           = 371 // { ssize_t extattr_set_fd(int fd, int attrnamespace, const char *attrname, void *data, size_t nbytes); }

	SYS_KQUEUE                   = 362 // { int kqueue(void); }
	SYS_KEVENT                   = 363 // { int kevent(int fd, struct kevent *changelist, int nchanges, struct kevent *eventlist, int nevents, const struct timespec *timeout); }
	SYS_EXTATTR_SET_FD           = 371 // { ssize_t extattr_set_fd(int fd, int attrnamespace, const char *attrname, void *data, size_t nbytes); }

	SYS_MKNODAT                  = 559 // { int mknodat(int fd, char *path, mode_t mode, dev_t dev); }
	SYS_KEVENT                   = 560 // { int kevent(int fd, struct kevent *changelist, int nchanges, struct kevent *eventlist, int nevents, const struct timespec *timeout); }