return 0;
}

void cCalledFromGo(void) {
	goCalledFromC();

	uintptr_t thread;
	thread = _beginthreadex(NULL, 0, cCalledFromCThread, NULL, 0, NULL);
	WaitForSingleObject((HANDLE)thread, INFINITE);
	CloseHandle((HANDLE)thread);

}

func munmapFile(d Data) error {
	err := windows.UnmapViewOfFile(uintptr(unsafe.Pointer(&d.Data[0])))
	x, ok := d.Windows.(windows.Handle)
	if ok {
		windows.CloseHandle(x)
	}
	d.f.Close()
	return err

	ph, err := syscall.OpenProcess(_PROCESS_CREATE_PROCESS|_PROCESS_DUP_HANDLE|syscall.PROCESS_QUERY_INFORMATION,
		false, uint32(parent.Process.Pid))
	if err != nil {
		t.Fatal(err)
	}
	defer syscall.CloseHandle(ph)

	child := exec.Command(os.Args[0], "-test.run=^TestChangingProcessParent$")
	child.Env = append(os.Environ(),
		"GO_WANT_HELPER_PROCESS=child",
		"GO_WANT_HELPER_PROCESS_FILE="+childDumpPath)

		// FileInfo with a known-accurate Mode, we must return an error.
		return nil, &PathError{Op: "CreateFile", Path: name, Err: err}
	}

	fi, err := statHandle(name, h)
	syscall.CloseHandle(h)
	if err == nil && followSurrogates && fi.(*fileStat).isReparseTagNameSurrogate() {
		// To obtain information about the link target, we reopen the file without
		// FILE_FLAG_OPEN_REPARSE_POINT and examine the resulting handle.

	low, high := uint32(filesize), uint32(filesize>>32)
	fmap, err := syscall.CreateFileMapping(syscall.Handle(out.f.Fd()), nil, syscall.PAGE_READWRITE, high, low, nil)
	if err != nil {
		return err
	}
	defer syscall.CloseHandle(fmap)

	ptr, err := syscall.MapViewOfFile(fmap, syscall.FILE_MAP_READ|syscall.FILE_MAP_WRITE, 0, 0, uintptr(filesize))
	if err != nil {
		return err
	}
	bufHdr := (*unsafeheader.Slice)(unsafe.Pointer(&out.buf))

	}
}

func getIntegrityLevelToken(wns string) (syscall.Token, error) {
	var procToken, token syscall.Token

	proc, err := syscall.GetCurrentProcess()
	if err != nil {
		return 0, err
	}
	defer syscall.CloseHandle(proc)

	err = syscall.OpenProcessToken(proc,
		syscall.TOKEN_DUPLICATE|
			syscall.TOKEN_ADJUST_DEFAULT|
			syscall.TOKEN_QUERY|
			syscall.TOKEN_ASSIGN_PRIMARY,
		&procToken)
	if err != nil {

// unlockPath unlock directories
func unlockPath(fileHandles []uintptr) {
	if fileHandles != nil {
		for _, handle := range fileHandles {
			syscall.CloseHandle(syscall.Handle(handle))
		}
	}
}

// lockPath locks a directory or symlink, return handle, exec "syscall.CloseHandle(handle)" to unlock the path
func lockPath(path string) (uintptr, error) {
	if len(path) == 0 {

	// handle is the OS handle for process actions, used only in
	// modeHandle.
	//
	// handle must be accessed only via the handleTransientAcquire method
	// (or during closeHandle), not directly! handle is immutable.
	//
	// On Windows, it is a handle from OpenProcess.
	// On Linux, it is a pidfd.
	// It is unused on other GOOSes.
	handle uintptr
}

//sys	SetFilePointer(handle Handle, lowoffset int32, highoffsetptr *int32, whence uint32) (newlowoffset uint32, err error) [failretval==0xffffffff]
//sys	CloseHandle(handle Handle) (err error)
//sys	GetStdHandle(stdhandle uint32) (handle Handle, err error) [failretval==InvalidHandle]
//sys	SetStdHandle(stdhandle uint32, handle Handle) (err error)

	if winreadlinkvolume.Value() != "0" {
		return `\\?\` + path[4:], nil
	}
	winreadlinkvolume.IncNonDefault()

	h, err := openSymlink(path)
	if err != nil {
		return "", err
	}
	defer syscall.CloseHandle(h)

	buf := make([]uint16, 100)
	for {
		n, err := windows.GetFinalPathNameByHandle(h, &buf[0], uint32(len(buf)), windows.VOLUME_NAME_DOS)
		if err != nil {
			return "", err
		}