Module org.jnrproject.posix

Package jnr.posix

Interface POSIX

All Known Subinterfaces:

Linux

All Known Implementing Classes:

BaseNativePOSIX, NativePOSIX, WindowsPOSIX

public interface POSIX

Method Summary

Modifier and Type	Method	Description
int	access(CharSequence path, int amode)
MsgHdr	allocateMsgHdr()
FileStat	allocateStat()
Timeval	allocateTimeval()
int	chdir(String path)
int	chmod(String filename, int mode)
int	chown(String filename, int user, int group)
int	close(int fd)
int	confstr(jnr.constants.platform.Confstr name, ByteBuffer buf, int len)
byte[]	crypt(byte[] key, byte[] salt)	Call the crypt function with the given key and salt as raw null-terminated byte (C char) strings.
CharSequence	crypt(CharSequence key, CharSequence salt)
int	daemon(int nochdir, int noclose)
int	dup(int fd)
int	dup2(int oldFd, int newFd)
int	endgrent()
int	endpwent()
jnr.ffi.Pointer	environ()
int	errno()
void	errno(int value)
int	exec(String path, String... argv)	Shell expanding and escaping version of exec which handles all the preparation of a command line or command list.
int	exec(String path, String[] argv, String[] envp)	Shell expanding and escaping version of exec which handles all the preparation of a command line or command list.
int	execv(String path, String[] argv)
int	execve(String path, String[] argv, String[] envp)
int	fchmod(int fd, int mode)
int	fchown(int fd, int user, int group)
int	fcntl(int fd, jnr.constants.platform.Fcntl fcntlConst)
int	fcntl(int fd, jnr.constants.platform.Fcntl fcntlConst, int arg)
int	fcntl(int fd, jnr.constants.platform.Fcntl fcntlConst, int... arg)	Deprecated. This version does not pass args because jnr-ffi does not support variadic invocation.
int	fcntlInt(int fd, jnr.constants.platform.Fcntl fcntlConst, int arg)
int	fdatasync(int fd)
int	flock(int fd, int operation)
int	fork()
int	fpathconf(int fd, jnr.constants.platform.Pathconf name)
FileStat	fstat(int descriptor)
int	fstat(int fd, FileStat stat)
FileStat	fstat(FileDescriptor descriptor)
int	fstat(FileDescriptor descriptor, FileStat stat)
int	fsync(int fd)
int	ftruncate(int fd, long offset)
int	futimens(int fd, long[] atimespec, long[] mtimespec)
int	futimens(int fd, jnr.ffi.Pointer times)
int	futimes(int fd, long[] atimeval, long[] mtimeval)
String	getcwd()
int	getdtablesize()
int	getegid()
String	getenv(String envName)
int	geteuid()
int	getgid()
Group	getgrent()
Group	getgrgid(int which)
Group	getgrnam(String which)
long[]	getgroups()
int	getgroups(int size, int[] groups)
String	gethostname()
String	getlogin()
int	getpgid()
int	getpgid(int pid)
int	getpgrp()
int	getpid()
int	getppid()
int	getpriority(int which, int who)
Passwd	getpwent()
Passwd	getpwnam(String which)
Passwd	getpwuid(int which)
RLimit	getrlimit(int resource)
int	getrlimit(int resource, jnr.ffi.Pointer rlim)
int	getrlimit(int resource, RLimit rlim)
int	gettimeofday(Timeval tv)
int	getuid()
int	isatty(int descriptor)
boolean	isatty(FileDescriptor descriptor)
boolean	isNative()
int	kill(int pid, int signal)
int	kill(long pid, int signal)
int	lchmod(String filename, int mode)
int	lchown(String filename, int user, int group)
LibC	libc()	Returns null if isNative returns false.
int	link(String oldpath, String newpath)
int	lseek(int fd, long offset, int whence)
long	lseekLong(int fd, long offset, int whence)
FileStat	lstat(String path)
int	lstat(String path, FileStat stat)
int	lutimes(String path, long[] atimeval, long[] mtimeval)
int	mkdir(String path, int mode)
int	mkfifo(String filename, int mode)
ProcessMaker	newProcessMaker()
ProcessMaker	newProcessMaker(String... command)
String	nl_langinfo(int item)
int	open(CharSequence path, int flags, int perm)
int	pipe(int[] fds)
long	posix_spawnp(String path, Collection<? extends SpawnFileAction> fileActions, Collection<? extends CharSequence> argv, Collection<? extends CharSequence> envp)
long	posix_spawnp(String path, Collection<? extends SpawnFileAction> fileActions, Collection<? extends SpawnAttribute> spawnAttributes, Collection<? extends CharSequence> argv, Collection<? extends CharSequence> envp)
int	pread(int fd, byte[] buf, int n, int offset)
long	pread(int fd, byte[] buf, long n, long offset)
int	pread(int fd, ByteBuffer buf, int n, int offset)
long	pread(int fd, ByteBuffer buf, long n, long offset)
int	pwrite(int fd, byte[] buf, int n, int offset)
long	pwrite(int fd, byte[] buf, long n, long offset)
int	pwrite(int fd, ByteBuffer buf, int n, int offset)
long	pwrite(int fd, ByteBuffer buf, long n, long offset)
int	raise(int sig)
int	read(int fd, byte[] buf, int n)
long	read(int fd, byte[] buf, long n)
int	read(int fd, ByteBuffer buf, int n)
long	read(int fd, ByteBuffer buf, long n)
int	readlink(CharSequence path, byte[] buf, int bufsize)
int	readlink(CharSequence path, ByteBuffer buf, int bufsize)
int	readlink(CharSequence path, jnr.ffi.Pointer bufPtr, int bufsize)
String	readlink(String path)
int	recvmsg(int socket, MsgHdr message, int flags)
int	rename(CharSequence oldName, CharSequence newName)
int	rmdir(String path)
int	sendmsg(int socket, MsgHdr message, int flags)
int	setegid(int egid)
int	setenv(String envName, String envValue, int overwrite)
int	seteuid(int euid)
int	setgid(int gid)
int	setgrent()
String	setlocale(int category, String locale)
int	setpgid(int pid, int pgid)
int	setpgrp(int pid, int pgrp)
int	setpriority(int which, int who, int prio)
int	setpwent()
int	setrlimit(int resource, long rlimCur, long rlimMax)
int	setrlimit(int resource, jnr.ffi.Pointer rlim)
int	setrlimit(int resource, RLimit rlim)
int	setsid()
int	setuid(int uid)
SignalHandler	signal(jnr.constants.platform.Signal sig, SignalHandler handler)
int	socketpair(int domain, int type, int protocol, int[] fds)
FileStat	stat(String path)
int	stat(String path, FileStat stat)
String	strerror(int code)
int	symlink(String oldpath, String newpath)
long	sysconf(jnr.constants.platform.Sysconf name)
Times	times()
int	truncate(CharSequence path, long length)
int	umask(int mask)
int	unlink(CharSequence path)
int	unsetenv(String envName)
int	utimensat(int dirfd, String path, long[] atimespec, long[] mtimespec, int flag)
int	utimensat(int dirfd, String path, jnr.ffi.Pointer times, int flag)
int	utimes(String path, long[] atimeval, long[] mtimeval)
int	utimes(String path, jnr.ffi.Pointer times)
int	wait(int[] status)
int	waitpid(int pid, int[] status, int flags)
int	waitpid(long pid, int[] status, int flags)
int	write(int fd, byte[] buf, int n)
long	write(int fd, byte[] buf, long n)
int	write(int fd, ByteBuffer buf, int n)
long	write(int fd, ByteBuffer buf, long n)

Method Detail

crypt

CharSequence crypt(CharSequence key,
                   CharSequence salt)

crypt

byte[] crypt(byte[] key,
             byte[] salt)

Call the crypt function with the given key and salt as raw null-terminated byte (C char) strings.

Parameters:

key - null-terminated key bytes

salt - null-terminated salt bytes

Returns:

null-terminated crypted bytes, or null if there was an error

allocateStat

FileStat allocateStat()

chmod

int chmod(String filename,
          int mode)

fchmod

int fchmod(int fd,
           int mode)

chown

int chown(String filename,
          int user,
          int group)

fchown

int fchown(int fd,
           int user,
           int group)

exec

int exec(String path,
         String... argv)

Shell expanding and escaping version of exec which handles all the preparation of a command line or command list.

Parameters:

path - the path to execute

argv - the arguments to pass, with arg0 equal to the desired process name

Returns:

does not return if successful; -1 if failed

exec

int exec(String path,
         String[] argv,
         String[] envp)

Shell expanding and escaping version of exec which handles all the preparation of a command line or command list.

Parameters:

path - the path to execute

argv - the arguments to pass, with arg0 equal to the desired process name

envp - a set of KEY=VALUE environment strings to set for the new execution

Returns:

does not return if successful; -1 if failed

execv

int execv(String path,
          String[] argv)

execve

int execve(String path,
           String[] argv,
           String[] envp)

fork

int fork()

fstat

FileStat fstat(FileDescriptor descriptor)

fstat

FileStat fstat(int descriptor)

fstat

int fstat(FileDescriptor descriptor,
          FileStat stat)

fstat

int fstat(int fd,
          FileStat stat)

environ

jnr.ffi.Pointer environ()

getenv

String getenv(String envName)

getegid

int getegid()

geteuid

int geteuid()

seteuid

int seteuid(int euid)

getgid

int getgid()

getdtablesize

int getdtablesize()

getlogin

String getlogin()

getpgid

int getpgid()

getpgid

int getpgid(int pid)

getpgrp

int getpgrp()

getpid

int getpid()

getppid

int getppid()

getpriority

int getpriority(int which,
                int who)

getpwent

Passwd getpwent()

getpwuid

Passwd getpwuid(int which)

getpwnam

Passwd getpwnam(String which)

getgrgid

Group getgrgid(int which)

getgrnam

Group getgrnam(String which)

getgrent

Group getgrent()

endgrent

int endgrent()

setgrent

int setgrent()

endpwent

int endpwent()

setpwent

int setpwent()

getuid

int getuid()

getrlimit

int getrlimit(int resource,
              RLimit rlim)

getrlimit

int getrlimit(int resource,
              jnr.ffi.Pointer rlim)

getrlimit

RLimit getrlimit(int resource)

setrlimit

int setrlimit(int resource,
              RLimit rlim)

setrlimit

int setrlimit(int resource,
              jnr.ffi.Pointer rlim)

setrlimit

int setrlimit(int resource,
              long rlimCur,
              long rlimMax)

isatty

boolean isatty(FileDescriptor descriptor)

isatty

int isatty(int descriptor)

kill

int kill(int pid,
         int signal)

kill

int kill(long pid,
         int signal)

signal

SignalHandler signal(jnr.constants.platform.Signal sig,
                     SignalHandler handler)

raise

int raise(int sig)

lchmod

int lchmod(String filename,
           int mode)

lchown

int lchown(String filename,
           int user,
           int group)

link

int link(String oldpath,
         String newpath)

lstat

FileStat lstat(String path)

lstat

int lstat(String path,
          FileStat stat)

mkdir

int mkdir(String path,
          int mode)

readlink

String readlink(String path)
         throws IOException

Throws:

IOException

readlink

int readlink(CharSequence path,
             byte[] buf,
             int bufsize)

readlink

int readlink(CharSequence path,
             ByteBuffer buf,
             int bufsize)

readlink

int readlink(CharSequence path,
             jnr.ffi.Pointer bufPtr,
             int bufsize)

rmdir

int rmdir(String path)

setenv

int setenv(String envName,
           String envValue,
           int overwrite)

setsid

int setsid()

setgid

int setgid(int gid)

setegid

int setegid(int egid)

setpgid

int setpgid(int pid,
            int pgid)

setpgrp

int setpgrp(int pid,
            int pgrp)

setpriority

int setpriority(int which,
                int who,
                int prio)

setuid

int setuid(int uid)

stat

FileStat stat(String path)

stat

int stat(String path,
         FileStat stat)

symlink

int symlink(String oldpath,
            String newpath)

umask

int umask(int mask)

unsetenv

int unsetenv(String envName)

utimes

int utimes(String path,
           long[] atimeval,
           long[] mtimeval)

utimes

int utimes(String path,
           jnr.ffi.Pointer times)

futimes

int futimes(int fd,
            long[] atimeval,
            long[] mtimeval)

lutimes

int lutimes(String path,
            long[] atimeval,
            long[] mtimeval)

utimensat

int utimensat(int dirfd,
              String path,
              long[] atimespec,
              long[] mtimespec,
              int flag)

utimensat

int utimensat(int dirfd,
              String path,
              jnr.ffi.Pointer times,
              int flag)

futimens

int futimens(int fd,
             long[] atimespec,
             long[] mtimespec)

futimens

int futimens(int fd,
             jnr.ffi.Pointer times)

waitpid

int waitpid(int pid,
            int[] status,
            int flags)

waitpid

int waitpid(long pid,
            int[] status,
            int flags)

wait

int wait(int[] status)

errno

int errno()

errno

void errno(int value)

strerror

String strerror(int code)

chdir

int chdir(String path)

isNative

boolean isNative()

libc

LibC libc()

Returns null if isNative returns false.

Returns:

the LibC implementation for this POSIX

newProcessMaker

ProcessMaker newProcessMaker(String... command)

newProcessMaker

ProcessMaker newProcessMaker()

sysconf

long sysconf(jnr.constants.platform.Sysconf name)

confstr

int confstr(jnr.constants.platform.Confstr name,
            ByteBuffer buf,
            int len)

fpathconf

int fpathconf(int fd,
              jnr.constants.platform.Pathconf name)

times

Times times()

posix_spawnp

long posix_spawnp(String path,
                  Collection<? extends SpawnFileAction> fileActions,
                  Collection<? extends CharSequence> argv,
                  Collection<? extends CharSequence> envp)

posix_spawnp

long posix_spawnp(String path,
                  Collection<? extends SpawnFileAction> fileActions,
                  Collection<? extends SpawnAttribute> spawnAttributes,
                  Collection<? extends CharSequence> argv,
                  Collection<? extends CharSequence> envp)

flock

int flock(int fd,
          int operation)

dup

int dup(int fd)

dup2

int dup2(int oldFd,
         int newFd)

fcntlInt

int fcntlInt(int fd,
             jnr.constants.platform.Fcntl fcntlConst,
             int arg)

fcntl

int fcntl(int fd,
          jnr.constants.platform.Fcntl fcntlConst,
          int arg)

fcntl

int fcntl(int fd,
          jnr.constants.platform.Fcntl fcntlConst)

access

int access(CharSequence path,
           int amode)

close

int close(int fd)

unlink

int unlink(CharSequence path)

open

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

read

long read(int fd,
          byte[] buf,
          long n)

write

long write(int fd,
           byte[] buf,
           long n)

read

long read(int fd,
          ByteBuffer buf,
          long n)

write

long write(int fd,
           ByteBuffer buf,
           long n)

pread

long pread(int fd,
           byte[] buf,
           long n,
           long offset)

pwrite

long pwrite(int fd,
            byte[] buf,
            long n,
            long offset)

pread

long pread(int fd,
           ByteBuffer buf,
           long n,
           long offset)

pwrite

long pwrite(int fd,
            ByteBuffer buf,
            long n,
            long offset)

read

int read(int fd,
         byte[] buf,
         int n)

write

int write(int fd,
          byte[] buf,
          int n)

read

int read(int fd,
         ByteBuffer buf,
         int n)

write

int write(int fd,
          ByteBuffer buf,
          int n)

pread

int pread(int fd,
          byte[] buf,
          int n,
          int offset)

pwrite

int pwrite(int fd,
           byte[] buf,
           int n,
           int offset)

pread

int pread(int fd,
          ByteBuffer buf,
          int n,
          int offset)

pwrite

int pwrite(int fd,
           ByteBuffer buf,
           int n,
           int offset)

lseek

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

lseekLong

long lseekLong(int fd,
               long offset,
               int whence)

pipe

int pipe(int[] fds)

truncate

int truncate(CharSequence path,
             long length)

ftruncate

int ftruncate(int fd,
              long offset)

rename

int rename(CharSequence oldName,
           CharSequence newName)

getcwd

String getcwd()

gethostname

String gethostname()

socketpair

int socketpair(int domain,
               int type,
               int protocol,
               int[] fds)

sendmsg

int sendmsg(int socket,
            MsgHdr message,
            int flags)

recvmsg

int recvmsg(int socket,
            MsgHdr message,
            int flags)

allocateMsgHdr

MsgHdr allocateMsgHdr()

fcntl

@Deprecated
int fcntl(int fd,
          jnr.constants.platform.Fcntl fcntlConst,
          int... arg)

Deprecated.

This version does not pass args because jnr-ffi does not support variadic invocation.

fcntl(2)

Parameters:

fd - the file descriptor on which to act

fcntlConst - the Fcntl enum value for the flag to set

arg - arguments for the flag or null if none

Returns:

0 if success, -1 if error

See Also:

fcntlInt(int, jnr.constants.platform.Fcntl, int)

fsync

int fsync(int fd)

fdatasync

int fdatasync(int fd)

mkfifo

int mkfifo(String filename,
           int mode)

daemon

int daemon(int nochdir,
           int noclose)

getgroups

long[] getgroups()

getgroups

int getgroups(int size,
              int[] groups)

nl_langinfo

String nl_langinfo(int item)

setlocale

String setlocale(int category,
                 String locale)

allocateTimeval

Timeval allocateTimeval()

gettimeofday

int gettimeofday(Timeval tv)