}
	for {
		n, err := ignoringEINTRIO(syscall.Read, fd.Sysfd, p)
		if err != nil {
			n = 0
			if err == syscall.EAGAIN && fd.pd.pollable() {
				if err = fd.pd.waitRead(fd.isFile); err == nil {
					continue
				}
			}
		}
		err = fd.eofError(n, err)
		return n, err
	}
}

// Pread wraps the pread system call.
func (fd *FD) Pread(p []byte, off int64) (int, error) {

  delete posix_file;
}

static int64_t Read(const TF_RandomAccessFile* file, uint64_t offset, size_t n,
                    char* buffer, TF_Status* status) {
  auto posix_file = static_cast<PosixFile*>(file->plugin_file);
  char* dst = buffer;
  int64_t read = 0;

  while (n > 0) {
    // Some platforms, notably macs, throw `EINVAL` if `pread` is asked to read
    // more than fits in a 32-bit integer.

}

// pread reads len(b) bytes from the File starting at byte offset off.
// It returns the number of bytes read and the error, if any.
// EOF is signaled by a zero count with err set to nil.
func (f *File) pread(b []byte, off int64) (n int, err error) {
	if err := f.readLock(); err != nil {
		return 0, err
	}
	defer f.readUnlock()
	n, e := fixCount(syscall.Pread(f.fd, b, off))
	if n == 0 && len(b) > 0 && e == nil {

			break
		}
		b[i] = x
	}
	fd.readbyteOffset += i
	return i, nil
}

// Pread emulates the Unix pread system call.
func (fd *FD) Pread(b []byte, off int64) (int, error) {
	if fd.kind == kindPipe {
		// Pread does not work with pipes
		return 0, syscall.ESPIPE
	}
	// Call incref, not readLock, because since pread specifies the
	// offset it is independent from other reads.
	if err := fd.incref(); err != nil {

	}
	return 0 // success
}

//go:nosplit
func semawakeup(mp *m) {
	plan9_semrelease(&mp.waitsemacount, 1)
}

//go:nosplit
func read(fd int32, buf unsafe.Pointer, n int32) int32 {
	return pread(fd, buf, n, -1)
}

//go:nosplit
func write1(fd uintptr, buf unsafe.Pointer, n int32) int32 {
	return pwrite(int32(fd), buf, n, -1)
}

	_, err := fsCall("fsync", fd)
	return err
}

func Read(fd int, b []byte) (int, error) {
	f, err := fdToFile(fd)
	if err != nil {
		return 0, err
	}

	if f.seeked {
		n, err := Pread(fd, b, f.pos)
		f.pos += int64(n)
		return n, err
	}

	buf := uint8Array.New(len(b))
	n, err := fsCall("read", fd, buf, 0, len(b), nil)
	if err != nil {
		return 0, err
	}

		race.ReadRange(unsafe.Pointer(&p[0]), n)
	}
	if msan.Enabled && n > 0 {
		msan.Read(unsafe.Pointer(&p[0]), uintptr(n))
	}
	if asan.Enabled && n > 0 {
		asan.Read(unsafe.Pointer(&p[0]), uintptr(n))
	}
	return
}

func Pread(fd int, p []byte, offset int64) (n int, err error) {
	n, err = pread(fd, p, offset)
	if race.Enabled {
		if n > 0 {
			race.WriteRange(unsafe.Pointer(&p[0]), n)
		}

		raceReleaseMerge(unsafe.Pointer(&ioSync))
	}
	n, err = write(fd, p)
	if raceenabled && n > 0 {
		raceReadRange(unsafe.Pointer(&p[0]), n)
	}
	return
}

func Pread(fd int, p []byte, offset int64) (n int, err error) {
	n, err = pread(fd, p, offset)
	if raceenabled {
		if n > 0 {
			raceWriteRange(unsafe.Pointer(&p[0]), n)
		}
		if err == nil {
			raceAcquire(unsafe.Pointer(&ioSync))
		}
	}

//sysnb	Getuid() (uid int) = SYS_GETUID32
//sysnb	InotifyInit() (fd int, err error)
//sys	Ioperm(from int, num int, on int) (err error)
//sys	Iopl(level int) (err error)
//sys	Pause() (err error)
//sys	pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
//sys	pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
//sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)

//sys	Munlockall() (err error)
//sys	Open(path string, mode int, perm uint32) (fd int, err error)
//sys	Pathconf(path string, name int) (val int, err error)
//sys	pread(fd int, p []byte, offset int64) (n int, err error)
//sys	pwrite(fd int, p []byte, offset int64) (n int, err error)
//sys	read(fd int, p []byte) (n int, err error)
//sys	readdir_r(dir uintptr, entry *Dirent, result **Dirent) (res Errno)
//sys	Readlink(path string, buf []byte) (n int, err error)