net.openhft.posix.internal.jnr

Class JNRPosixAPI

java.lang.Object

net.openhft.posix.internal.jnr.JNRPosixAPI

All Implemented Interfaces:

PosixAPI

public final class JNRPosixAPI
extends Object
implements PosixAPI

Constructor Summary

Constructors

Constructor and Description
JNRPosixAPI()

Method Summary

Modifier and Type	Method and Description
long	clock_gettime(int clockId)
int	close(int fd)
int	fallocate(int fd, int mode, long offset, long length)
void	free(long ptr)
int	ftruncate(int fd, long offset)
int	get_nprocs_conf()
int	get_nprocs()
int	getpid()
int	gettid()
int	gettimeofday(long timeval)
int	lastError()
int	lockf(int fd, int cmd, long len)
long	lseek(int fd, long offset, int whence)
int	madvise(long addr, long length, int advice)
long	malloc(long size)
boolean	mlock(long addr, long length)
boolean	mlock2(long addr, long length, boolean lockOnFault)
void	mlockall(int flags)
long	mmap(long addr, long length, int prot, int flags, int fd, long offset)
int	msync(long address, long length, int flags)
int	munmap(long addr, long length)
int	open(CharSequence path, int flags, int perm)
long	read(int fd, long dst, long len)
int	sched_getaffinity(int pid, int cpusetsize, long mask)
int	sched_setaffinity(int pid, int cpusetsize, long mask)
String	strerror(int errno)
long	write(int fd, long src, long len)

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.openhft.posix.PosixAPI

clock_gettime, clock_gettime, du, gettimeofday, lastErrorStr, lseek, madvise, mlockall, mmap, msync, open, posix, sched_getaffinity_summary, sched_setaffinity_as, sched_setaffinity_range, useNoOpPosixApi

Constructor Detail

JNRPosixAPI

public JNRPosixAPI()

Method Detail

open

public int open(CharSequence path,
                int flags,
                int perm)

Specified by:

open in interface PosixAPI

lseek

public long lseek(int fd,
                  long offset,
                  int whence)

Specified by:

lseek in interface PosixAPI

ftruncate

public int ftruncate(int fd,
                     long offset)

Specified by:

ftruncate in interface PosixAPI

lockf

public int lockf(int fd,
                 int cmd,
                 long len)

Specified by:

lockf in interface PosixAPI

close

public int close(int fd)

Specified by:

close in interface PosixAPI

mmap

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

Specified by:

mmap in interface PosixAPI

mlock

public boolean mlock(long addr,
                     long length)

Specified by:

mlock in interface PosixAPI

Returns:

if there was enough memory or not. Check ulimit -l if this returns false

mlock2

public boolean mlock2(long addr,
                      long length,
                      boolean lockOnFault)

Specified by:

mlock2 in interface PosixAPI

mlockall

public void mlockall(int flags)

Specified by:

mlockall in interface PosixAPI

munmap

public int munmap(long addr,
                  long length)

Specified by:

munmap in interface PosixAPI

msync

public int msync(long address,
                 long length,
                 int flags)

Specified by:

msync in interface PosixAPI

fallocate

public int fallocate(int fd,
                     int mode,
                     long offset,
                     long length)

Specified by:

fallocate in interface PosixAPI

madvise

public int madvise(long addr,
                   long length,
                   int advice)

Specified by:

madvise in interface PosixAPI

read

public long read(int fd,
                 long dst,
                 long len)

Specified by:

read in interface PosixAPI

write

public long write(int fd,
                  long src,
                  long len)

Specified by:

write in interface PosixAPI

gettimeofday

public int gettimeofday(long timeval)

Specified by:

gettimeofday in interface PosixAPI

malloc

public long malloc(long size)

Specified by:

malloc in interface PosixAPI

free

public void free(long ptr)

Specified by:

free in interface PosixAPI

get_nprocs

public int get_nprocs()

Specified by:

get_nprocs in interface PosixAPI

get_nprocs_conf

public int get_nprocs_conf()

Specified by:

get_nprocs_conf in interface PosixAPI

sched_setaffinity

public int sched_setaffinity(int pid,
                             int cpusetsize,
                             long mask)

Specified by:

sched_setaffinity in interface PosixAPI

sched_getaffinity

public int sched_getaffinity(int pid,
                             int cpusetsize,
                             long mask)

Specified by:

sched_getaffinity in interface PosixAPI

getpid

public int getpid()

Specified by:

getpid in interface PosixAPI

gettid

public int gettid()

Specified by:

gettid in interface PosixAPI

lastError

public int lastError()

Specified by:

lastError in interface PosixAPI

strerror

public String strerror(int errno)

Specified by:

strerror in interface PosixAPI

clock_gettime

public long clock_gettime(int clockId)

Specified by:

clock_gettime in interface PosixAPI