sysvicall2(&libc_clock_gettime, _CLOCK_MONOTONIC, uintptr(unsafe.Pointer(&ts)))
	return ts.tv_sec*1e9 + ts.tv_nsec
}

//go:nosplit
func open(path *byte, mode, perm int32) int32 {
	return int32(sysvicall3(&libc_open, uintptr(unsafe.Pointer(path)), uintptr(mode), uintptr(perm)))
}

func pthread_attr_destroy(attr *pthreadattr) int32 {
	return int32(sysvicall1(&libc_pthread_attr_destroy, uintptr(unsafe.Pointer(attr))))
}

//sys	Mknodat(fd int, path string, mode uint32, dev int) (err error)
//sys	Nanosleep(time *Timespec, leftover *Timespec) (err error)
//sys	Open(path string, mode int, perm uint32) (fd int, err error)
//sys	Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error)
//sys	Pathconf(path string, name int) (val int, err error)
//sys	read(fd int, p []byte) (n int, err error)

//sys	Mknodat(dirfd int, path string, mode uint32, dev int) (err error)
//sys	Nanosleep(time *Timespec, leftover *Timespec) (err error)
//sys	Open(path string, mode int, perm uint32) (fd int, err error)
//sys	Openat(dirfd int, 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)

// openFileNolog is the Windows implementation of OpenFile.
func openFileNolog(name string, flag int, perm FileMode) (*File, error) {
	if name == "" {
		return nil, &PathError{Op: "open", Path: name, Err: syscall.ENOENT}
	}
	path := fixLongPath(name)
	r, e := syscall.Open(path, flag|syscall.O_CLOEXEC, syscallMode(perm))
	if e != nil {
		// We should return EISDIR when we are trying to open a directory with write access.

	if err != nil {
		if os.IsNotExist(err) {
			return fmt.Errorf("SetUp() failed, volume path not created: %s", volPath)
		}
		return fmt.Errorf("SetUp() failed: %v", err)
	}
	if e, a := perm, fileinfo.Mode().Perm(); e != a {
		return fmt.Errorf("unexpected file mode for %v: expected: %v, got: %v", volPath, e, a)
	}
	return nil
}

func testTearDown(unmounter volume.Unmounter, metadataDir, volPath string) error {

                                     BoolAttr transpose_b) {
  // Transpose and constant-fold the weight if needed.
  if (transpose_b.getValue()) {
    Value perm = Create1DConstValue<int32_t>(builder, loc, {1, 0});
    auto transpose_op = builder.create<TF::TransposeOp>(loc, weight, perm);
    weight = ConstantFoldOpIfPossible(transpose_op).front();
  }

  xla::DotDimensionNumbers dnums;
  dnums.add_rhs_contracting_dimensions(0);

	FENCE
	MOVW	ZERO, (A0)
	FENCE
	MOV	$0, A0	// exit code
	MOV	$SYS_exit, A7
	ECALL
	JMP	0(PC)

// func open(name *byte, mode, perm int32) int32
TEXT runtime·open(SB),NOSPLIT|NOFRAME,$0-20
	MOV	$AT_FDCWD, A0
	MOV	name+0(FP), A1
	MOVW	mode+8(FP), A2
	MOVW	perm+12(FP), A3
	MOV	$SYS_openat, A7
	ECALL
	MOV	$-4096, T0
	BGEU	T0, A0, 2(PC)
	MOV	$-1, A0
	MOVW	A0, ret+16(FP)
	RET

	MOVW	R11, (R19)
	DBAR
	MOVW	$0, R4	// exit code
	MOVV	$SYS_exit, R11
	SYSCALL
	JMP	0(PC)

// func open(name *byte, mode, perm int32) int32
TEXT runtime·open(SB),NOSPLIT|NOFRAME,$0-20
	MOVW	$AT_FDCWD, R4 // AT_FDCWD, so this acts like open
	MOVV	name+0(FP), R5
	MOVW	mode+8(FP), R6
	MOVW	perm+12(FP), R7
	MOVV	$SYS_openat, R11
	SYSCALL
	MOVW	$-4096, R5
	BGEU	R5, R4, 2(PC)
	MOVW	$-1, R4
	MOVW	R4, ret+16(FP)
	RET

		}
		lo, err := strconv.ParseUint(loStr, 16, 64)
		if err != nil {
			continue
		}
		hi, err := strconv.ParseUint(hiStr, 16, 64)
		if err != nil {
			continue
		}
		perm := next()
		if len(perm) < 4 || perm[2] != 'x' {
			// Only interested in executable mappings.
			continue
		}
		offset, err := strconv.ParseUint(string(next()), 16, 64)
		if err != nil {
			continue
		}

	// Set file permission bits.
	mode = fs.FileMode(fi.h.Mode).Perm()

	// Set setuid, setgid and sticky bits.
	if fi.h.Mode&c_ISUID != 0 {
		mode |= fs.ModeSetuid
	}
	if fi.h.Mode&c_ISGID != 0 {
		mode |= fs.ModeSetgid
	}
	if fi.h.Mode&c_ISVTX != 0 {
		mode |= fs.ModeSticky
	}

	// Set file mode bits; clear perm, setuid, setgid, and sticky bits.
	switch m := fs.FileMode(fi.h.Mode) &^ 07777; m {