Module de.ibapl.jnhw.posix

Package de.ibapl.jnhw.posix

Class Poll

java.lang.Object

de.ibapl.jnhw.posix.Poll

@Include("#include <poll.h>")
public final class Poll
extends Object

Wrapper around the <poll.h> header. See specs at: poll.h - definitions for the poll() function.

Author:

aploese

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Poll.PollFd	POSIX: structure pollfd.
static class	Poll.PollFds	POSIX: structure pollfd.

Field Summary

Fields

Modifier and Type	Field	Description
static boolean	HAVE_POLL_H
static short	POLLERR	POSIX: An error has occurred (revents only).
static short	POLLHUP	POSIX: Device has been disconnected (revents only).
static short	POLLIN	POSIX: Data other than high-priority data may be read without blocking.
static short	POLLNVAL	POSIX: Invalid fd member (revents only).
static short	POLLOUT	POSIX: High priority data may be read without blocking.
static short	POLLPRI	POSIX: High priority data may be read without blocking.
static short	POLLRDBAND	POSIX: Normal data may be read without blocking.
static short	POLLRDNORM	POSIX: Normal data may be read without blocking.
static short	POLLWRBAND	POSIX: Priority data may be written.
static short	POLLWRNORM	POSIX: Equivalent to POLLOUT.

Constructor Summary

Constructors

Constructor	Description
Poll()

Method Summary

Modifier and Type	Method	Description
static int	poll(Poll.PollFd fd, int timeout)	POSIX: poll - input/output multiplexing.
static int	poll(Poll.PollFds fds, int timeout)	POSIX: poll - input/output multiplexing.

Methods inherited from class java.lang.Object

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

Field Detail

HAVE_POLL_H

public static final boolean HAVE_POLL_H

POLLERR

@Define
public static final short POLLERR

POSIX: An error has occurred (revents only).

POLLHUP

@Define
public static final short POLLHUP

POSIX: Device has been disconnected (revents only).

POLLIN

@Define
public static final short POLLIN

POSIX: Data other than high-priority data may be read without blocking.

POLLNVAL

@Define
public static final short POLLNVAL

POSIX: Invalid fd member (revents only).

POLLOUT

@Define
public static final short POLLOUT

POSIX: High priority data may be read without blocking.

POLLPRI

@Define
public static final short POLLPRI

POSIX: High priority data may be read without blocking.

POLLRDBAND

@Define
public static final short POLLRDBAND

POSIX: Normal data may be read without blocking.

POLLRDNORM

@Define
public static final short POLLRDNORM

POSIX: Normal data may be read without blocking.

POLLWRBAND

@Define
public static final short POLLWRBAND

POSIX: Priority data may be written.

POLLWRNORM

@Define
public static final short POLLWRNORM

POSIX: Equivalent to POLLOUT.

Constructor Detail

Poll

public Poll()

Method Detail

poll

public static final int poll(Poll.PollFds fds,
                             int timeout)
                      throws NativeErrorException

POSIX: poll - input/output multiplexing.

Parameters:

fds - an array of pollfd.

timeout - the timeout in milliseconds.

Returns:

the native result.

Throws:

NativeErrorException - if the return value of the native function indicates an error.

poll

public static final int poll(Poll.PollFd fd,
                             int timeout)
                      throws NativeErrorException

POSIX: poll - input/output multiplexing.

Parameters:

fd - a single pollfd.

timeout - the timeout in milliseconds.

Returns:

the native result.

Throws:

NativeErrorException - if the return value of the native function indicates an error.