//sys	Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
//sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error)
//sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
//sys	Setfsgid(gid int) (err error)
//sys	Setfsuid(uid int) (err error)
//sysnb	setrlimit(resource int, rlim *Rlimit) (err error) = SYS_SETRLIMIT

//sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
//sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT
//sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64
//sys	setfsgid(gid int) (prev int, err error)
//sys	setfsuid(uid int) (prev int, err error)
//sys	Shutdown(fd int, how int) (err error)

func Umask(mask int) (oldmask int) {
	return jsProcess.Call("umask", mask).Int()
}

func Gettimeofday(tv *Timeval) error { return ENOSYS }

func Kill(pid int, signum Signal) error { return ENOSYS }
func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
	return 0, ENOSYS
}
func StartProcess(argv0 string, argv []string, attr *ProcAttr) (pid int, handle uintptr, err error) {
	return 0, 0, ENOSYS
}

//sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
//sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT
//sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64
//sys	setfsgid(gid int) (prev int, err error)
//sys	setfsuid(uid int) (prev int, err error)
//sys	Shutdown(fd int, how int) (err error)

//sysnb	InotifyInit() (fd int, err error)
//sys	Listen(s int, n int) (err error)
//sys	Pause() (err error)
//sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
//sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64
//sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT

//sys	Listen(s int, n int) (err error)
//sys	Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64
//sys	Pause() (err error)
//sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
//sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64
//sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT

//sys getdents(fd int, buf []byte) (n int, err error)

func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
	return getdents(fd, buf)
}

// TODO, see golang.org/issue/5847
func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
	return -1, ENOSYS
}

func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
	var bufptr *Statfs_t
	var bufsize uintptr

//sys	renameat2(olddirfd int, oldpath string, newdirfd int, newpath string, flags uint) (err error)
//sys	Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
//sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
//sys	Setfsgid(gid int) (err error)
//sys	Setfsuid(uid int) (err error)
//sysnb	setrlimit(resource int, rlim *Rlimit) (err error) = SYS_SETRLIMIT

	var ts *Timespec
	if timeout != nil {
		ts = &Timespec{Sec: timeout.Sec, Nsec: timeout.Usec * 1000}
	}
	return pselect6(nfd, r, w, e, ts, nil)
}

//sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
//sys	setfsgid(gid int) (prev int, err error)
//sys	setfsuid(uid int) (prev int, err error)
//sys	Shutdown(fd int, how int) (err error)

	if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil {
		return err
	}

	return nil
}

func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
	if raceenabled {
		raceReleaseMerge(unsafe.Pointer(&ioSync))
	}
	var length = int64(count)
	err = sendfile(infd, outfd, *offset, &length, nil, 0)
	written = int(length)
	return
}