Class JavaLibCHelper

java.lang.Object

jnr.posix.JavaLibCHelper

public class JavaLibCHelper
extends Object

This libc implementation is created one per runtime instance versus the others which are expected to be one static instance for whole JVM. Because of this it is no big deal to make reference to a POSIXHandler directly.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static final class	JavaLibCHelper.ErrnoParsingOutputStream
private static class	JavaLibCHelper.PosixExec
private static class	JavaLibCHelper.ReflectiveAccess

Field Summary

Fields

Modifier and Type	Field	Description
private final Map<String,String>	env
private static final ThreadLocal<Integer>	errno
private final POSIXHandler	handler
(package private) ThreadLocal<Integer>	pwIndex
static final int	STDERR
static final int	STDIN
static final int	STDOUT

Constructor Summary

Constructors

Constructor	Description
JavaLibCHelper(POSIXHandler handler)

Method Summary

Modifier and Type	Method	Description
static int	chdir(String path)
int	chmod(String filename, int mode)
int	chown(String filename, int user, int group)
static byte[]	crypt(byte[] original, byte[] salt)
static CharSequence	crypt(CharSequence original, CharSequence salt)
int	endpwent()
(package private) static int	errno()
(package private) static void	errno(int errno)
(package private) static void	errno(jnr.constants.platform.Errno errno)
static FileDescriptor	getDescriptorFromChannel(Channel channel)
Map<String,String>	getEnv()
int	getfd(FileDescriptor descriptor)
static int	getfdFromDescriptor(FileDescriptor descriptor)
static HANDLE	gethandle(long descriptor)
static HANDLE	gethandle(FileDescriptor descriptor)
String	gethostname()
String	getlogin()
int	getpid()
Passwd	getpwent()
Passwd	getpwuid(int which)
int	isatty(int fd)
int	link(String oldpath, String newpath)
int	lstat(String path, FileStat stat)
int	mkdir(String path, int mode)
int	readlink(String oldpath, ByteBuffer buffer, int length)
int	rmdir(String path)
int	setpwent()
int	stat(String path, FileStat stat)
int	symlink(String oldpath, String newpath)
static FileDescriptor	toFileDescriptor(int fileDescriptor)
static FileDescriptor	toFileDescriptor(HANDLE fileDescriptor)

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

STDIN

public static final int STDIN

See Also:

• Constant Field Values

STDOUT

public static final int STDOUT

See Also:

• Constant Field Values

STDERR

public static final int STDERR

See Also:

• Constant Field Values

errno

private static final ThreadLocal<Integer> errno

handler

private final POSIXHandler handler

env

private final Map<String,String> env

pwIndex

ThreadLocal<Integer> pwIndex

Constructor Details

JavaLibCHelper

public JavaLibCHelper(POSIXHandler handler)

Method Details

getDescriptorFromChannel

public static FileDescriptor getDescriptorFromChannel(Channel channel)

errno

static int errno()

errno

static void errno(int errno)

errno

static void errno(jnr.constants.platform.Errno errno)

chmod

public int chmod(String filename,
 int mode)

chown

public int chown(String filename,
 int user,
 int group)

crypt

public static CharSequence crypt(CharSequence original,
 CharSequence salt)

crypt

public static byte[] crypt(byte[] original,
 byte[] salt)

getfd

public int getfd(FileDescriptor descriptor)

getfdFromDescriptor

public static int getfdFromDescriptor(FileDescriptor descriptor)

gethandle

public static HANDLE gethandle(FileDescriptor descriptor)

gethandle

public static HANDLE gethandle(long descriptor)

getlogin

public String getlogin()

gethostname

public String gethostname()

getpid

public int getpid()

getpwent

public Passwd getpwent()

setpwent

public int setpwent()

endpwent

public int endpwent()

getpwuid

public Passwd getpwuid(int which)

isatty

public int isatty(int fd)

link

public int link(String oldpath,
 String newpath)

lstat

public int lstat(String path,
 FileStat stat)

mkdir

public int mkdir(String path,
 int mode)

rmdir

public int rmdir(String path)

chdir

public static int chdir(String path)

stat

public int stat(String path,
 FileStat stat)

symlink

public int symlink(String oldpath,
 String newpath)

readlink

public int readlink(String oldpath,
 ByteBuffer buffer,
 int length)
             throws IOException

Throws:

IOException

getEnv

public Map<String,String> getEnv()

toFileDescriptor

public static FileDescriptor toFileDescriptor(int fileDescriptor)

toFileDescriptor

public static FileDescriptor toFileDescriptor(HANDLE fileDescriptor)