tcl.lang.cmd
Class PidCmd

java.lang.Object
  tcl.lang.cmd.PidCmd

All Implemented Interfaces:

Command

public class PidCmd
extends Object
implements Command

implement TCL 'pid' command. JVM doesn't support PID queries directly so we play some tricks here. If pid can't be found, -1 (or a list of -1) is returned

Author:

danb

Constructor Summary

PidCmd()

Method Summary

void	cmdProc(Interp interp, TclObject[] objv) This method implements the functionality of the command.
static int	getPid()

Methods inherited from class java.lang.Object

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

Constructor Detail

PidCmd

public PidCmd()

Method Detail

getPid

public static int getPid()

Returns:

PID of the TCL process, or -1 if it can't be determined

cmdProc

public void cmdProc(Interp interp,
                    TclObject[] objv)
             throws TclException

Description copied from interface: Command

This method implements the functionality of the command. However, calling it directly in application code will bypass execution traces. Instead, commands should be called with WrappedCommand.invoke

Specified by:

cmdProc in interface Command

Parameters:

interp - The interpreter for setting the results and which contains the context

objv - the argument list for the command; objv[0[ is the command name itself

Throws:

TclException - on any errors