import java.util.stream.Stream;

/**
 * OS support
 */
public class Os {

    /**
     * The OS Name.
     */
    public static final String OS_NAME = System.getProperty("os.name").toLowerCase(Locale.ENGLISH);

    /**
     * The OA architecture.
     */
    public static final String OS_ARCH = System.getProperty("os.arch").toLowerCase(Locale.ENGLISH);

    /**
     * The OS version.
     */

	Chmod(path string, perm os.FileMode) error
	Hostname() (name string, err error)
	Chtimes(path string, atime time.Time, mtime time.Time) error
	Pipe() (r *os.File, w *os.File, err error)
	ReadDir(dirname string) ([]os.DirEntry, error)
	Glob(pattern string) ([]string, error)
	Open(name string) (*os.File, error)
	OpenFile(name string, flag int, perm os.FileMode) (*os.File, error)
	Rename(oldpath, newpath string) error
}

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"os"
)

// RenameSys is low level call in case of non-Linux this just uses os.Rename()
func RenameSys(src, dst string) (err error) {
	return os.Rename(src, dst)

import java.util.stream.Stream;

/**
 * OS support
 */
public class Os {

    /**
     * The OS Name.
     */
    public static final String OS_NAME = System.getProperty("os.name").toLowerCase(Locale.ENGLISH);

    /**
     * The OA architecture.
     */
    public static final String OS_ARCH = System.getProperty("os.arch").toLowerCase(Locale.ENGLISH);

    /**
     * The OS version.
     */

package testing

import (
	"errors"
	"os"
	"sync"
	"time"
)

// FakeOS mocks out certain OS calls to avoid perturbing the filesystem
// If a member of the form `*Fn` is set, that function will be called in place
// of the real call.
type FakeOS struct {
	StatFn     func(string) (os.FileInfo, error)
	ReadDirFn  func(string) ([]os.DirEntry, error)
	MkdirAllFn func(string, os.FileMode) error
	SymlinkFn  func(string, string) error

    AMD64("64bit", "amd64", "x86_64"),
    AARCH64("aarch64", "aarch64", "aarch64");

    fun asName() = name.lowercase().toCapitalized()
}

enum class Os(
    val agentRequirement: String,
    val androidHome: String,
    val jprofilerHome: String,
    val perfTestWorkingDir: String = "%teamcity.build.checkoutDir%",
    val perfTestJavaVendor: JvmVendor = JvmVendor.openjdk,

Harshavardhana <******@****.***> 1694618076 -0700

Harshavardhana <******@****.***> 1629336922 -0700

func Stat(name string) (info os.FileInfo, err error) {
	defer updateOSMetrics(osMetricStat, name)(err)
	return os.Stat(name)
}

// Create captures time taken to call os.Create
func Create(name string) (f *os.File, err error) {
	defer updateOSMetrics(osMetricCreate, name)(err)
	return os.Create(name)
}

// Fdatasync captures time taken to call Fdatasync
func Fdatasync(f *os.File) (err error) {
	fn := ""
	if f != nil {

	if runtime.GOOS == "linux" {
		permDir := path.Join(os.TempDir(), "perm-dir")
		if err := os.MkdirAll(permDir, os.FileMode(0o200)); err != nil {
			t.Fatal(err)
		}
		defer os.RemoveAll(permDir)

		// Check if permission denied.
		if _, err := readDir(permDir); err == nil {
			t.Fatalf("expected = an error, got: nil")
		}
	}
}

// Represents data type for all the test results.
type result struct {