frysk.sys.ptrace
Class Utrace

java.lang.Object
  frysk.sys.ptrace.Utrace

public class Utrace
extends Object

Trace a process.

Field Summary

private static Log

fine

Constructor Summary

Utrace()

Method Summary

private static void	attach(int pid)
static void	attach(ProcessIdentifier pid) Attach to the process specified by PID.
private static void	cont(int pid, int signal)
static void	cont(ProcessIdentifier pid, Signal signal) Continue the process specified by PID, if SIG is non-zero, deliver the signal.
private static void	detach(int pid, int sig)
static void	detach(ProcessIdentifier pid, Signal signal) Detach from the process specified by PID.
private static long	getEventMsg(int pid)
static long	getEventMsg(ProcessIdentifier pid) Fetch the auxilary information associated with PID's last WAIT event.
private static void	setOptions(int pid, long options)
static void	setOptions(ProcessIdentifier pid, long options) Set PID's trace options.
private static void	singleStep(int pid, int sig)
static void	singleStep(ProcessIdentifier pid, Signal signal) Single-step (instruction step) the process specified by PID, if SIG is non-zero, deliver the signal.
private static void	sysCall(int pid, int sig)
static void	sysCall(ProcessIdentifier pid, Signal signal) Continue the process specified by PID, stopping when there is a system-call; if SIG is non-zero deliver the signal.

Methods inherited from class java.lang.Object

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

Field Detail

fine

private static final Log fine

Constructor Detail

Utrace

public Utrace()

Method Detail

attach

public static void attach(ProcessIdentifier pid)

Attach to the process specified by PID.

attach

private static void attach(int pid)

detach

public static void detach(ProcessIdentifier pid,
                          Signal signal)

Detach from the process specified by PID.

detach

private static void detach(int pid,
                           int sig)

singleStep

public static void singleStep(ProcessIdentifier pid,
                              Signal signal)

Single-step (instruction step) the process specified by PID, if SIG is non-zero, deliver the signal.

singleStep

private static void singleStep(int pid,
                               int sig)

cont

public static void cont(ProcessIdentifier pid,
                        Signal signal)

Continue the process specified by PID, if SIG is non-zero, deliver the signal.

cont

private static void cont(int pid,
                         int signal)

sysCall

public static void sysCall(ProcessIdentifier pid,
                           Signal signal)

Continue the process specified by PID, stopping when there is a system-call; if SIG is non-zero deliver the signal.

sysCall

private static void sysCall(int pid,
                            int sig)

getEventMsg

public static long getEventMsg(ProcessIdentifier pid)

Fetch the auxilary information associated with PID's last WAIT event.

getEventMsg

private static long getEventMsg(int pid)

setOptions

public static void setOptions(ProcessIdentifier pid,
                              long options)

Set PID's trace options. OPTIONS is formed by or'ing the values returned by the option* methods below.

setOptions

private static void setOptions(int pid,
                               long options)