}

	// Mimicking exec.findExecutable here.
	// ENOSYS means Eaccess is not available or not implemented.
	// EPERM can be returned by Linux containers employing seccomp.
	// In both cases, fall back to checking the permission bits.
	err := unix.Eaccess(filepath.Join(dir, de.Name()), unix.X_OK)
	if (err == syscall.ENOSYS || err == syscall.EPERM) && info.Mode()&0111 != 0 {
		err = nil
	}
	if err != nil {
		return "", false
	}

      ConstOp perm =
          dyn_cast_or_null<ConstOp>(transpose.getOperand(1).getDefiningOp());
      if (!perm) return;

      // With the same permutation indices.
      auto dense_elem_attr = mlir::dyn_cast<DenseElementsAttr>(perm.getValue());
      if (!dense_elem_attr) return;

      if (!permutation_op) permutation_op = perm;

// license that can be found in the LICENSE file.

//go:build unix || (js && wasm)

package os

import (
	"internal/poll"
	"syscall"
)

func open(path string, flag int, perm uint32) (int, poll.SysFile, error) {
	fd, err := syscall.Open(path, flag, perm)
	return fd, poll.SysFile{}, err

		// the specific bits we need.
		err := os.Chmod(dir, perm)
		if err != nil {
			return err
		}

		fileinfo, err = os.Lstat(dir)
		if err != nil {
			return err
		}

		if fileinfo.Mode().Perm() != perm.Perm() {
			klog.Errorf("Expected directory %q permissions to be: %s; got: %s", dir, perm.Perm(), fileinfo.Mode().Perm())
		}
	}

	return nil
}

// along with any necessary parents, and returns nil,
// or else returns an error.
// The permission bits perm (before umask) are used for all
// directories that MkdirAll creates.
// If path is already a directory, MkdirAll does nothing
// and returns nil.
func MkdirAll(path string, perm FileMode) error {
	// Fast path: if we can tell whether path is a directory or file, stop with success or error.
	dir, err := Stat(path)

	LXVD2X (CPOOL+R0), PH
	LXVD2X (CPOOL+R16), PL

	// VPERM byte selections
	LXVD2X (CPOOL+R18), SEL2
	LXVD2X (CPOOL+R19), SEL1

	LXVD2X (R16)(x_ptr), T1
	LXVD2X (R0)(x_ptr), T0

	// Put in true little endian order
	XXPERMDI T0, T0, $2, T0
	XXPERMDI T1, T1, $2, T1

	// First round
	VPERM   T1, T0, SEL1, RED2    // d1 d0 d1 d0
	VPERM   ZER, RED2, SEL2, RED1 // 0  d1 d0  0

		return err
	}
	defer in.Close()

	perm, err := in.Stat()
	if err != nil {
		return err
	}

	return AtomicWriteReader(filepath.Join(targetDir, targetFilename), in, perm.Mode())
}

func Copy(srcFilepath, targetDir, targetFilename string) error {
	in, err := os.Open(srcFilepath)
	if err != nil {
		return err
	}
	defer in.Close()

	perm, err := in.Stat()
	if err != nil {
		return err
	}

	errLockViolation syscall.Errno = 0x21
)

// lockedOpenFile is an internal function.
func lockedOpenFile(path string, flag int, perm os.FileMode, lockType uint32) (*LockedFile, error) {
	f, err := Open(path, flag, perm)
	if err != nil {
		return nil, err
	}

	if err = lockFile(syscall.Handle(f.Fd()), lockType); err != nil {
		f.Close()
		return nil, err
	}

}

// MkdirAll via os.MkdirAll
func (fs *DefaultFs) MkdirAll(path string, perm os.FileMode) error {
	return os.MkdirAll(fs.prefix(path), perm)
}

// MkdirAllWithPathCheck checks if path exists already. If not, it creates a directory
// named path, along with any necessary parents, and returns nil, or else returns an error.
// Permission bits perm (before umask) are used for all directories that
// MkdirAllWithPathCheck creates.

	VPERM T_0, R_0, T_1, R_0   // [_,  r₂₆[0], _, 0]
	VPERM T_0, R_1, T_1, R_1   // [_,  r₂₆[1], _, 0]
	VPERM T_0, R_2, T_1, R_2   // [_,  r₂₆[2], _, 0]
	VPERM T_0, R_3, T_1, R_3   // [_,  r₂₆[3], _, 0]
	VPERM T_0, R_4, T_1, R_4   // [_,  r₂₆[4], _, 0]
	VPERM T_0, R5_1, T_1, R5_1 // [_, 5r₂₆[1], _, 0]
	VPERM T_0, R5_2, T_1, R5_2 // [_, 5r₂₆[2], _, 0]
	VPERM T_0, R5_3, T_1, R5_3 // [_, 5r₂₆[3], _, 0]