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Class w3c.util.Unix 

java.lang.Object
   |
   +----w3c.util.Unix
public class Unix
extends Object
Native methods to do some UNIX specific system calls. This class can be used on UNIX variants to access some specific system calls.

Constructor Index

o Unix()

Method Index

o chroot(String)
Change the process root, using chroot system call.
o getGID(String)
Get the identifier for that group.
o getUID(String)
Get the identifier for that user.
o getUnix()
Get the UNIX system call manger.
o isResolved()
Can I perform UNIX system calls through that instance ?
o setGID(int)
Set the group id for the running process.
o setUID(int)
Set the user id for the running process.

Constructors

o Unix 
 public Unix()

Methods

o getUnix 
 public static synchronized Unix getUnix()
Get the UNIX system call manger.

Returns:
An instance of this class, suitable to call UNIX system calls.
o isResolved 
 public boolean isResolved()
Can I perform UNIX system calls through that instance ?

Returns:
A boolean, true if these system calls are allowed, false otherwise.
o getUID 
 public int getUID(String uname)
Get the identifier for that user.

Returns:
The user's identifier, or -1 if user was not found.
o getGID 
 public int getGID(String gname)
Get the identifier for that group.

Returns:
The group identifier, or -1 if not found.
o setUID 
 public void setUID(int uid) throws UnixException
Set the user id for the running process.

Parameters:
uid - The new user identifier for the process.
Throws: UnixException
If failed.
o setGID 
 public void setGID(int gid) throws UnixException
Set the group id for the running process.

Parameters:
gid - The new user identifier for the process.
Throws: UnixException
If failed.
o chroot 
 public void chroot(String root) throws UnixException
Change the process root, using chroot system call.

Parameters:
root - The new root for the process. 
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