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JDK 17 jdk.jdi.jmod - JDI Tool
JDK 17 jdk.jdi.jmod is the JMOD file for JDK 17 JDI (Java Debug Interface) tool.
JDK 17 JDI tool compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\jdk.jdi.jmod.
JDK 17 JDI tool compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.
JDK 17 JDI tool source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\jdk.jdi.
You can click and view the content of each source code file in the list below.
✍: FYIcenter
⏎ com/sun/tools/jdi/VMState.java
/* * Copyright (c) 1999, 2020, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package com.sun.tools.jdi; import java.lang.ref.WeakReference; import java.util.*; import com.sun.jdi.ThreadGroupReference; import com.sun.jdi.ThreadReference; import com.sun.jdi.VirtualMachine; class VMState { private final VirtualMachineImpl vm; // Listeners private final List<WeakReference<VMListener>> listeners = new ArrayList<>(); // synchronized (this) private boolean notifyingListeners = false; // synchronized (this) /* * Certain information can be cached only when the entire VM is * suspended and there are no pending resumes. The field below * is used to track whether there are pending resumes. */ private final Set<Integer> pendingResumeCommands = Collections.synchronizedSet(new HashSet<>()); // This is cached only while the VM is suspended private static class Cache { List<ThreadGroupReference> groups = null; // cached Top Level ThreadGroups List<ThreadReference> threads = null; // cached Threads } private Cache cache = null; // synchronized (this) private static final Cache markerCache = new Cache(); private void disableCache() { synchronized (this) { cache = null; } } private void enableCache() { synchronized (this) { cache = markerCache; } } private Cache getCache() { synchronized (this) { if (cache == markerCache) { cache = new Cache(); } return cache; } } VMState(VirtualMachineImpl vm) { this.vm = vm; } /** * Is the VM currently suspended, for the purpose of caching? * Must be called synchronized on vm.state() */ boolean isSuspended() { return cache != null; } /* * A JDWP command has been completed (reply has been received). * Update data that tracks pending resume commands. */ void notifyCommandComplete(int id) { pendingResumeCommands.remove(id); } synchronized void freeze() { if (cache == null && (pendingResumeCommands.isEmpty())) { /* * No pending resumes to worry about. The VM is suspended * and additional state can be cached. Notify all * interested listeners. */ processVMAction(new VMAction(vm, VMAction.VM_SUSPENDED)); enableCache(); } } synchronized PacketStream thawCommand(CommandSender sender) { PacketStream stream = sender.send(); pendingResumeCommands.add(stream.id()); thaw(); return stream; } /** * All threads are resuming */ void thaw() { thaw(null); } /** * Tell listeners to invalidate suspend-sensitive caches. * If resumingThread != null, then only that thread is being * resumed. */ synchronized void thaw(ThreadReference resumingThread) { if (cache != null) { if ((vm.traceFlags & VirtualMachine.TRACE_OBJREFS) != 0) { vm.printTrace("Clearing VM suspended cache"); } disableCache(); } processVMAction(new VMAction(vm, resumingThread, VMAction.VM_NOT_SUSPENDED)); } private synchronized void processVMAction(VMAction action) { if (!notifyingListeners) { // Prevent recursion notifyingListeners = true; Iterator<WeakReference<VMListener>> iter = listeners.iterator(); while (iter.hasNext()) { WeakReference<VMListener> ref = iter.next(); VMListener listener = ref.get(); if (listener != null) { boolean keep = true; switch (action.id()) { case VMAction.VM_SUSPENDED: keep = listener.vmSuspended(action); break; case VMAction.VM_NOT_SUSPENDED: keep = listener.vmNotSuspended(action); break; } if (!keep) { iter.remove(); } } else { // Listener is unreachable; clean up iter.remove(); } } notifyingListeners = false; } } synchronized void addListener(VMListener listener) { listeners.add(new WeakReference<VMListener>(listener)); } synchronized boolean hasListener(VMListener listener) { Iterator<WeakReference<VMListener>> iter = listeners.iterator(); while (iter.hasNext()) { WeakReference<VMListener> ref = iter.next(); if (listener.equals(ref.get())) { return true; } } return false; } synchronized void removeListener(VMListener listener) { Iterator<WeakReference<VMListener>> iter = listeners.iterator(); while (iter.hasNext()) { WeakReference<VMListener> ref = iter.next(); if (listener.equals(ref.get())) { iter.remove(); break; } } } List<ThreadReference> allThreads() { List<ThreadReference> threads = null; try { Cache local = getCache(); if (local != null) { // may be stale when returned, but not provably so threads = local.threads; } if (threads == null) { threads = Arrays.asList((ThreadReference[])JDWP.VirtualMachine.AllThreads. process(vm).threads); if (local != null) { local.threads = threads; if ((vm.traceFlags & VirtualMachine.TRACE_OBJREFS) != 0) { vm.printTrace("Caching all threads (count = " + threads.size() + ") while VM suspended"); } } } } catch (JDWPException exc) { throw exc.toJDIException(); } return threads; } List<ThreadGroupReference> topLevelThreadGroups() { List<ThreadGroupReference> groups = null; try { Cache local = getCache(); if (local != null) { groups = local.groups; } if (groups == null) { groups = Arrays.asList( (ThreadGroupReference[])JDWP.VirtualMachine.TopLevelThreadGroups. process(vm).groups); if (local != null) { local.groups = groups; if ((vm.traceFlags & VirtualMachine.TRACE_OBJREFS) != 0) { vm.printTrace( "Caching top level thread groups (count = " + groups.size() + ") while VM suspended"); } } } } catch (JDWPException exc) { throw exc.toJDIException(); } return groups; } }
⏎ com/sun/tools/jdi/VMState.java
Or download all of them as a single archive file:
File name: jdk.jdi-17.0.5-src.zip File size: 476972 bytes Release date: 2022-09-13 Download
⇒ JDK 17 jdk.jdwp.agent.jmod - JDWP Agent Module
2023-04-17, 9858👍, 0💬
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