Package one.nio.os

Class Mem

java.lang.Object

one.nio.os.Mem

public final class Mem
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static boolean	IS_SUPPORTED
static int	MAP_ANONYMOUS
static int	MAP_FIXED
static int	MAP_GROWSDOWN
static int	MAP_HUGETLB
static int	MAP_LOCKED
static int	MAP_NONBLOCK
static int	MAP_NORESERVE
static int	MAP_POPULATE
static int	MAP_PRIVATE
static int	MAP_SHARED
static int	MAP_STACK
static int	MCL_CURRENT
static int	MCL_FUTURE
static int	MREMAP_FIXED
static int	MREMAP_MAYMOVE
static int	MS_ASYNC
static int	MS_INVALIDATE
static int	MS_SYNC
static int	POSIX_FADV_DONTNEED
static int	POSIX_FADV_NOREUSE
static int	POSIX_FADV_NORMAL
static int	POSIX_FADV_RANDOM
static int	POSIX_FADV_SEQUENTIAL
static int	POSIX_FADV_WILLNEED
static int	POSIX_MADV_DONTNEED
static int	POSIX_MADV_NORMAL
static int	POSIX_MADV_RANDOM
static int	POSIX_MADV_SEQUENTIAL
static int	POSIX_MADV_WILLNEED
static int	PROT_EXEC
static int	PROT_NONE
static int	PROT_READ
static int	PROT_WRITE

Constructor Summary

Constructors

Constructor	Description
Mem()

Method Summary

Modifier and Type	Method	Description
static int	getFD(FileDescriptor fd)
static int	mlock(long addr, long len)
static int	mlockall(int flags)
static long	mmap(long addr, long length, int prot, int flags, int fd, long offset)
static long	mmap(long addr, long length, int prot, int flags, FileDescriptor fd, long offset)
static int	mprotect(long addr, long len, int prot)
static long	mremap(long oldAddress, long oldSize, long newSize, int flags)
static int	msync(long start, long length, int flags)
static int	munlock(long addr, long len)
static int	munlockall()
static int	munmap(long addr, long length)
static int	posix_fadvise(int fd, long offset, long len, int advice)
static int	posix_fadvise(FileDescriptor fd, long offset, long len, int advice)
static int	posix_madvise(long addr, long len, int advice)
static void	setFD(FileDescriptor fd, int val)

Methods inherited from class java.lang.Object

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

Field Detail

IS_SUPPORTED

public static final boolean IS_SUPPORTED

PROT_NONE

public static final int PROT_NONE

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Constant Field Values

PROT_READ

public static final int PROT_READ

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Constant Field Values

PROT_WRITE

public static final int PROT_WRITE

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Constant Field Values

PROT_EXEC

public static final int PROT_EXEC

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Constant Field Values

MAP_SHARED

public static final int MAP_SHARED

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Constant Field Values

MAP_PRIVATE

public static final int MAP_PRIVATE

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Constant Field Values

MAP_FIXED

public static final int MAP_FIXED

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Constant Field Values

MAP_ANONYMOUS

public static final int MAP_ANONYMOUS

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Constant Field Values

MAP_GROWSDOWN

public static final int MAP_GROWSDOWN

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Constant Field Values

MAP_LOCKED

public static final int MAP_LOCKED

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Constant Field Values

MAP_NORESERVE

public static final int MAP_NORESERVE

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Constant Field Values

MAP_POPULATE

public static final int MAP_POPULATE

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Constant Field Values

MAP_NONBLOCK

public static final int MAP_NONBLOCK

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Constant Field Values

MAP_STACK

public static final int MAP_STACK

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Constant Field Values

MAP_HUGETLB

public static final int MAP_HUGETLB

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Constant Field Values

MREMAP_MAYMOVE

public static final int MREMAP_MAYMOVE

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Constant Field Values

MREMAP_FIXED

public static final int MREMAP_FIXED

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Constant Field Values

MS_ASYNC

public static final int MS_ASYNC

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Constant Field Values

MS_INVALIDATE

public static final int MS_INVALIDATE

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Constant Field Values

MS_SYNC

public static final int MS_SYNC

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Constant Field Values

MCL_CURRENT

public static final int MCL_CURRENT

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Constant Field Values

MCL_FUTURE

public static final int MCL_FUTURE

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Constant Field Values

POSIX_MADV_NORMAL

public static final int POSIX_MADV_NORMAL

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Constant Field Values

POSIX_MADV_RANDOM

public static final int POSIX_MADV_RANDOM

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POSIX_MADV_SEQUENTIAL

public static final int POSIX_MADV_SEQUENTIAL

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Constant Field Values

POSIX_MADV_WILLNEED

public static final int POSIX_MADV_WILLNEED

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POSIX_MADV_DONTNEED

public static final int POSIX_MADV_DONTNEED

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Constant Field Values

POSIX_FADV_NORMAL

public static final int POSIX_FADV_NORMAL

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Constant Field Values

POSIX_FADV_RANDOM

public static final int POSIX_FADV_RANDOM

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Constant Field Values

POSIX_FADV_SEQUENTIAL

public static final int POSIX_FADV_SEQUENTIAL

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Constant Field Values

POSIX_FADV_WILLNEED

public static final int POSIX_FADV_WILLNEED

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Constant Field Values

POSIX_FADV_DONTNEED

public static final int POSIX_FADV_DONTNEED

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Constant Field Values

POSIX_FADV_NOREUSE

public static final int POSIX_FADV_NOREUSE

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Constant Field Values

Constructor Detail

Mem

public Mem()

Method Detail

mmap

public static long mmap(long addr,
                        long length,
                        int prot,
                        int flags,
                        int fd,
                        long offset)

mremap

public static long mremap(long oldAddress,
                          long oldSize,
                          long newSize,
                          int flags)

munmap

public static int munmap(long addr,
                         long length)

mprotect

public static int mprotect(long addr,
                           long len,
                           int prot)

mmap

public static long mmap(long addr,
                        long length,
                        int prot,
                        int flags,
                        FileDescriptor fd,
                        long offset)

msync

public static int msync(long start,
                        long length,
                        int flags)

mlock

public static int mlock(long addr,
                        long len)

munlock

public static int munlock(long addr,
                          long len)

mlockall

public static int mlockall(int flags)

munlockall

public static int munlockall()

posix_madvise

public static int posix_madvise(long addr,
                                long len,
                                int advice)

posix_fadvise

public static int posix_fadvise(int fd,
                                long offset,
                                long len,
                                int advice)

posix_fadvise

public static int posix_fadvise(FileDescriptor fd,
                                long offset,
                                long len,
                                int advice)

getFD

public static int getFD(FileDescriptor fd)

setFD

public static void setFD(FileDescriptor fd,
                         int val)