sun.tools.attach

Class LinuxVirtualMachine

java.lang.Object

com.sun.tools.attach.VirtualMachine

sun.tools.attach.HotSpotVirtualMachine

sun.tools.attach.LinuxVirtualMachine

public class LinuxVirtualMachine
extends HotSpotVirtualMachine

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private class	LinuxVirtualMachine.SocketInputStream

Field Summary

Fields

Modifier and Type	Field and Description
private static int	ATTACH_ERROR_BADVERSION
(package private) static boolean	isLinuxThreads
(package private) java.lang.String	path
private static java.lang.String	PROTOCOL_VERSION
private static java.lang.String	tmpdir

Constructor Summary

Constructors

Constructor and Description
LinuxVirtualMachine(AttachProvider provider, java.lang.String vmid) Attaches to the target VM

Method Summary

Modifier and Type	Method and Description
(package private) static void	checkPermissions(java.lang.String path)
(package private) static void	close(int fd)
(package private) static void	connect(int fd, java.lang.String path)
private java.io.File	createAttachFile(int pid)
void	detach() Detach from the target VM
(package private) java.io.InputStream	execute(java.lang.String cmd, java.lang.Object... args) Execute the given command in the target VM.
private java.lang.String	findSocketFile(int pid)
(package private) static int	getLinuxThreadsManager(int pid)
(package private) static boolean	isLinuxThreads()
(package private) static int	read(int fd, byte[] buf, int off, int bufLen)
(package private) static void	sendQuitTo(int pid)
(package private) static void	sendQuitToChildrenOf(int pid)
(package private) static int	socket()
(package private) static void	write(int fd, byte[] buf, int off, int bufLen)
private void	writeString(int fd, java.lang.String s)

Methods inherited from class sun.tools.attach.HotSpotVirtualMachine

attachTimeout, dumpHeap, executeJCmd, getAgentProperties, getSystemProperties, heapHisto, loadAgent, loadAgentLibrary, loadAgentPath, localDataDump, printFlag, readInt, remoteDataDump, setFlag

Methods inherited from class com.sun.tools.attach.VirtualMachine

attach, attach, equals, hashCode, id, list, loadAgent, loadAgentLibrary, loadAgentPath, provider, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

tmpdir

private static final java.lang.String tmpdir

See Also:

Constant Field Values

isLinuxThreads

static boolean isLinuxThreads

path

java.lang.String path

PROTOCOL_VERSION

private static final java.lang.String PROTOCOL_VERSION

See Also:

Constant Field Values

ATTACH_ERROR_BADVERSION

private static final int ATTACH_ERROR_BADVERSION

See Also:

Constant Field Values

Constructor Detail

LinuxVirtualMachine

public LinuxVirtualMachine(AttachProvider provider,
                           java.lang.String vmid)
                    throws AttachNotSupportedException,
                           java.io.IOException

Attaches to the target VM

Throws:

AttachNotSupportedException

java.io.IOException

Method Detail

detach

public void detach()
            throws java.io.IOException

Detach from the target VM

Specified by:

detach in class VirtualMachine

Throws:

java.io.IOException - If an I/O error occurs

execute

java.io.InputStream execute(java.lang.String cmd,
                            java.lang.Object... args)
                     throws AgentLoadException,
                            java.io.IOException

Execute the given command in the target VM.

Specified by:

execute in class HotSpotVirtualMachine

Throws:

AgentLoadException

java.io.IOException

findSocketFile

private java.lang.String findSocketFile(int pid)

createAttachFile

private java.io.File createAttachFile(int pid)
                               throws java.io.IOException

Throws:

java.io.IOException

writeString

private void writeString(int fd,
                         java.lang.String s)
                  throws java.io.IOException

Throws:

java.io.IOException

isLinuxThreads

static boolean isLinuxThreads()

getLinuxThreadsManager

static int getLinuxThreadsManager(int pid)
                           throws java.io.IOException

Throws:

java.io.IOException

sendQuitToChildrenOf

static void sendQuitToChildrenOf(int pid)
                          throws java.io.IOException

Throws:

java.io.IOException

sendQuitTo

static void sendQuitTo(int pid)
                throws java.io.IOException

Throws:

java.io.IOException

checkPermissions

static void checkPermissions(java.lang.String path)
                      throws java.io.IOException

Throws:

java.io.IOException

socket

static int socket()
           throws java.io.IOException

Throws:

java.io.IOException

connect

static void connect(int fd,
                    java.lang.String path)
             throws java.io.IOException

Throws:

java.io.IOException

close

static void close(int fd)
           throws java.io.IOException

Throws:

java.io.IOException

read

static int read(int fd,
                byte[] buf,
                int off,
                int bufLen)
         throws java.io.IOException

Throws:

java.io.IOException

write

static void write(int fd,
                  byte[] buf,
                  int off,
                  int bufLen)
           throws java.io.IOException

Throws:

java.io.IOException