Package org.apache.bookkeeper.common.util.nativeio

Class NativeIOJni

java.lang.Object

org.apache.bookkeeper.common.util.nativeio.NativeIOJni

class NativeIOJni
extends java.lang.Object

Constructor Summary

Constructors

Constructor	Description
NativeIOJni()

Method Summary

Modifier and Type	Method	Description
(package private) static int	close(int fd)
(package private) static int	fallocate(int fd, int mode, long offset, long len)	fallocate is a linux-only syscall, so callers must handle the possibility that it does not exist.
(package private) static void	free(long pointer)
(package private) static int	fsync(int fd)
(package private) static long	lseek(int fd, long offset, int whence)
(package private) static int	open(java.lang.String pathname, int flags, int mode)
(package private) static int	posix_fadvise(int fd, long offset, long len, int flag)
(package private) static long	posix_memalign(int alignment, int size)
(package private) static long	pread(int fd, long pointer, long size, long offset)
(package private) static int	pwrite(int fd, long pointer, int count, long offset)

Methods inherited from class java.lang.Object

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

Constructor Detail

NativeIOJni

NativeIOJni()

Method Detail

open

static int open(java.lang.String pathname,
                int flags,
                int mode)
         throws NativeIOException

Throws:

NativeIOException

fsync

static int fsync(int fd)
          throws NativeIOException

Throws:

NativeIOException

fallocate

static int fallocate(int fd,
                     int mode,
                     long offset,
                     long len)
              throws NativeIOException

fallocate is a linux-only syscall, so callers must handle the possibility that it does not exist.

Throws:

NativeIOException

posix_fadvise

static int posix_fadvise(int fd,
                         long offset,
                         long len,
                         int flag)
                  throws NativeIOException

Throws:

NativeIOException

pwrite

static int pwrite(int fd,
                  long pointer,
                  int count,
                  long offset)
           throws NativeIOException

Throws:

NativeIOException

posix_memalign

static long posix_memalign(int alignment,
                           int size)
                    throws NativeIOException

Throws:

NativeIOException

free

static void free(long pointer)
          throws NativeIOException

Throws:

NativeIOException

lseek

static long lseek(int fd,
                  long offset,
                  int whence)
           throws NativeIOException

Throws:

NativeIOException

pread

static long pread(int fd,
                  long pointer,
                  long size,
                  long offset)
           throws NativeIOException

Throws:

NativeIOException

close

static int close(int fd)
          throws NativeIOException

Throws:

NativeIOException