JDK 11 jdk.hotspot.agent.jmod is the JMOD file for JDK 11 Hotspot Agent module.

JDK 11 Hotspot Agent module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.hotspot.agent.jmod.

JDK 11 Hotspot Agent module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 Hotspot Agent module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.hotspot.agent.

You can click and view the content of each source code file in the list below.

⏎ sun/jvm/hotspot/runtime/OSThread.java

/*
 * Copyright (c) 2004, 2017, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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package sun.jvm.hotspot.runtime;

import java.util.*;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.types.*;

// The OSThread class holds OS-specific thread information.  It is equivalent
// to the sys_thread_t structure of the classic JVM implementation.
public class OSThread extends VMObject {
    private static JIntField interruptedField;
    private static Field threadIdField;
    private static CIntegerField threadStateField;

    // ThreadStates read from underlying process
    private static int ALLOCATED;
    private static int INITIALIZED;
    private static int RUNNABLE;
    private static int MONITOR_WAIT;
    private static int CONDVAR_WAIT;
    private static int OBJECT_WAIT;
    private static int BREAKPOINTED;
    private static int SLEEPING;
    private static int ZOMBIE;

    static {
        VM.registerVMInitializedObserver(new Observer() {
            public void update(Observable o, Object data) {
                initialize(VM.getVM().getTypeDataBase());
            }
        });
    }

    private static synchronized void initialize(TypeDataBase db) {
        Type type = db.lookupType("OSThread");
        interruptedField = type.getJIntField("_interrupted");
        threadIdField = type.getField("_thread_id");
        threadStateField = type.getCIntegerField("_state");

        ALLOCATED = db.lookupIntConstant("ALLOCATED").intValue();
        INITIALIZED = db.lookupIntConstant("INITIALIZED").intValue();
        RUNNABLE = db.lookupIntConstant("RUNNABLE").intValue();
        MONITOR_WAIT = db.lookupIntConstant("MONITOR_WAIT").intValue();
        CONDVAR_WAIT = db.lookupIntConstant("CONDVAR_WAIT").intValue();
        OBJECT_WAIT = db.lookupIntConstant("OBJECT_WAIT").intValue();
        BREAKPOINTED = db.lookupIntConstant("BREAKPOINTED").intValue();
        SLEEPING = db.lookupIntConstant("SLEEPING").intValue();
        ZOMBIE = db.lookupIntConstant("ZOMBIE").intValue();
    }

    public OSThread(Address addr) {
        super(addr);
    }

    public boolean interrupted() {
        return ((int)interruptedField.getValue(addr)) != 0;
    }

    public int threadId() {
        return threadIdField.getJInt(addr);
    }

    public ThreadState getThreadState() {
        int val = (int)threadStateField.getValue(addr);
        if (val ==  ALLOCATED) {
            return ThreadState.ALLOCATED;
        } else if (val ==  INITIALIZED) {
            return ThreadState.INITIALIZED;
        } else if (val ==  RUNNABLE) {
            return ThreadState.RUNNABLE;
        } else if (val ==  MONITOR_WAIT) {
            return ThreadState.MONITOR_WAIT;
        } else if (val ==  CONDVAR_WAIT) {
            return ThreadState.CONDVAR_WAIT;
        } else if (val ==  OBJECT_WAIT) {
            return ThreadState.OBJECT_WAIT;
        } else if (val ==  BREAKPOINTED) {
            return ThreadState.BREAKPOINTED;
        } else if (val ==  SLEEPING) {
            return ThreadState.SLEEPING;
        } else if (val ==  ZOMBIE) {
            return ThreadState.ZOMBIE;
        } else {
            throw new RuntimeException("Illegal thread state " + val);
        }
    }
}

⏎ sun/jvm/hotspot/runtime/OSThread.java

Or download all of them as a single archive file:

File name: jdk.hotspot.agent-11.0.1-src.zip
File size: 1243786 bytes
Release date: 2018-11-04
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