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

IS_SUPPORTED

public static final boolean IS_SUPPORTED

PROT_NONE

public static final int PROT_NONE

See Also:

• Constant Field Values

PROT_READ

public static final int PROT_READ

See Also:

• Constant Field Values

PROT_WRITE

public static final int PROT_WRITE

See Also:

• Constant Field Values

PROT_EXEC

public static final int PROT_EXEC

See Also:

• Constant Field Values

MAP_SHARED

public static final int MAP_SHARED

See Also:

• Constant Field Values

MAP_PRIVATE

public static final int MAP_PRIVATE

See Also:

• Constant Field Values

MAP_FIXED

public static final int MAP_FIXED

See Also:

• Constant Field Values

MAP_ANONYMOUS

public static final int MAP_ANONYMOUS

See Also:

• Constant Field Values

MAP_GROWSDOWN

public static final int MAP_GROWSDOWN

See Also:

• Constant Field Values

MAP_LOCKED

public static final int MAP_LOCKED

See Also:

• Constant Field Values

MAP_NORESERVE

public static final int MAP_NORESERVE

See Also:

• Constant Field Values

MAP_POPULATE

public static final int MAP_POPULATE

See Also:

• Constant Field Values

MAP_NONBLOCK

public static final int MAP_NONBLOCK

See Also:

• Constant Field Values

MAP_STACK

public static final int MAP_STACK

See Also:

• Constant Field Values

MAP_HUGETLB

public static final int MAP_HUGETLB

See Also:

• Constant Field Values

MREMAP_MAYMOVE

public static final int MREMAP_MAYMOVE

See Also:

• Constant Field Values

MREMAP_FIXED

public static final int MREMAP_FIXED

See Also:

• Constant Field Values

MS_ASYNC

public static final int MS_ASYNC

See Also:

• Constant Field Values

MS_INVALIDATE

public static final int MS_INVALIDATE

See Also:

• Constant Field Values

MS_SYNC

public static final int MS_SYNC

See Also:

• Constant Field Values

MCL_CURRENT

public static final int MCL_CURRENT

See Also:

• Constant Field Values

MCL_FUTURE

public static final int MCL_FUTURE

See Also:

• Constant Field Values

POSIX_MADV_NORMAL

public static final int POSIX_MADV_NORMAL

See Also:

• Constant Field Values

POSIX_MADV_RANDOM

public static final int POSIX_MADV_RANDOM

See Also:

• Constant Field Values

POSIX_MADV_SEQUENTIAL

public static final int POSIX_MADV_SEQUENTIAL

See Also:

• Constant Field Values

POSIX_MADV_WILLNEED

public static final int POSIX_MADV_WILLNEED

See Also:

• Constant Field Values

POSIX_MADV_DONTNEED

public static final int POSIX_MADV_DONTNEED

See Also:

• Constant Field Values

POSIX_FADV_NORMAL

public static final int POSIX_FADV_NORMAL

See Also:

• Constant Field Values

POSIX_FADV_RANDOM

public static final int POSIX_FADV_RANDOM

See Also:

• Constant Field Values

POSIX_FADV_SEQUENTIAL

public static final int POSIX_FADV_SEQUENTIAL

See Also:

• Constant Field Values

POSIX_FADV_WILLNEED

public static final int POSIX_FADV_WILLNEED

See Also:

• Constant Field Values

POSIX_FADV_DONTNEED

public static final int POSIX_FADV_DONTNEED

See Also:

• Constant Field Values

POSIX_FADV_NOREUSE

public static final int POSIX_FADV_NOREUSE

See Also:

• Constant Field Values

Constructor Details

Mem

public Mem()

Method Details

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)