org.jruby.util.io

Class FilenoUtil

java.lang.Object

org.jruby.util.io.FilenoUtil

public class FilenoUtil
extends java.lang.Object

Utilities for working with native fileno and Java structures that wrap them.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	FilenoUtil.WinC

Field Summary

Fields

Modifier and Type	Field and Description
static int	FIRST_FAKE_FD
protected java.util.concurrent.atomic.AtomicInteger	internalFilenoIndex

Constructor Summary

Constructors

Constructor and Description
FilenoUtil(jnr.posix.POSIX posix)

Method Summary

Modifier and Type	Method and Description
int	closeFilenoHandle(int fd)
static int	filenoFrom(java.nio.channels.Channel channel)
static int	filenoFrom(java.io.FileDescriptor fd)
int	filenoFromHandleIn(java.nio.channels.Channel channel, int flags)
static java.io.FileDescriptor	getDescriptorFromChannel(java.nio.channels.Channel channel)
int	getNewFileno()
int	getNumberOfWrappers()
ChannelFD	getWrapperFromFileno(int fileno)
static boolean	isFake(int fileno)
void	registerWrapper(int fileno, ChannelFD wrapper)
void	unregisterWrapper(int fileno)

Methods inherited from class java.lang.Object

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

Field Detail

FIRST_FAKE_FD

public static final int FIRST_FAKE_FD

See Also:

Constant Field Values

internalFilenoIndex

protected final java.util.concurrent.atomic.AtomicInteger internalFilenoIndex

Constructor Detail

FilenoUtil

public FilenoUtil(jnr.posix.POSIX posix)

Method Detail

getDescriptorFromChannel

public static java.io.FileDescriptor getDescriptorFromChannel(java.nio.channels.Channel channel)

getWrapperFromFileno

public ChannelFD getWrapperFromFileno(int fileno)

registerWrapper

public void registerWrapper(int fileno,
                            ChannelFD wrapper)

unregisterWrapper

public void unregisterWrapper(int fileno)

getNumberOfWrappers

public int getNumberOfWrappers()

getNewFileno

public int getNewFileno()

isFake

public static boolean isFake(int fileno)

filenoFrom

public static int filenoFrom(java.nio.channels.Channel channel)

filenoFrom

public static int filenoFrom(java.io.FileDescriptor fd)

filenoFromHandleIn

public int filenoFromHandleIn(java.nio.channels.Channel channel,
                              int flags)

closeFilenoHandle

public int closeFilenoHandle(int fd)