Class ProcessContext

java.lang.Object
   |
   +----ProcessContext

public class ProcessContext
extends Object

A process context. This contains all information needed by the file system which is specific to a process.

Author:: Ray Ontko

errno: Number of last error.
MAX_OPEN_FILES: The maximum number of files a process may have open.
openFiles: The array of file descriptors for open files.

ProcessContext(): Construct a process context.
ProcessContext(short, short, String, short): Construct a process context and specify uid, gid, dir, and umask.

getDir(): Get the process working directory.
getGid(): Get the process gid.
getUid(): Get the process uid.
getUmask(): Get the process umask.
setDir(String): Set the process working directory.
setGid(short): Set the process gid.
setUid(short): Set the process uid.
setUmask(short): Set the process umask.

errno

 public int errno

Number of last error.

Simulates the unix system variable:

   extern int errno;

MAX_OPEN_FILES

 public static int MAX_OPEN_FILES

The maximum number of files a process may have open.

openFiles

 public FileDescriptor openFiles[]

The array of file descriptors for open files. The integer file descriptors for kernel method calls are indexes into this array.

ProcessContext

 public ProcessContext()

Construct a process context. By default, uid=1, gid=1, dir="/root", and umask=0000.

ProcessContext

 public ProcessContext(short newUid,
                       short newGid,
                       String newDir,
                       short newUmask)

Construct a process context and specify uid, gid, dir, and umask.