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JDK 17 jdk.jfr.jmod - JFR Module
JDK 17 jdk.jfr.jmod is the JMOD file for JDK 17 JFR module.
JDK 17 JFR module compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\jdk.jfr.jmod.
JDK 17 JFR module compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.
JDK 17 JFR module source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\jdk.jfr.
You can click and view the content of each source code file in the list below.
✍: FYIcenter
⏎ jdk/jfr/internal/ShutdownHook.java
/* * Copyright (c) 2016, 2021, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package jdk.jfr.internal; import java.io.IOException; import java.security.AccessControlContext; import java.security.AccessController; import java.security.PrivilegedActionException; import java.security.PrivilegedExceptionAction; import jdk.jfr.RecordingState; /** * Class responsible for dumping recordings on exit * */ final class ShutdownHook implements Runnable { private final PlatformRecorder recorder; Object tlabDummyObject; ShutdownHook(PlatformRecorder recorder) { this.recorder = recorder; } @Override public void run() { // this allocation is done in order to fetch a new TLAB before // starting any "real" operations. In low memory situations, // we would like to take an OOM as early as possible. tlabDummyObject = new Object(); recorder.setInShutDown(); for (PlatformRecording recording : recorder.getRecordings()) { if (recording.getDumpOnExit() && recording.getState() == RecordingState.RUNNING) { dump(recording); } } recorder.destroy(); } private void dump(PlatformRecording recording) { try { WriteableUserPath dest = recording.getDestination(); if (dest == null) { dest = makeDumpOnExitPath(recording); recording.setDestination(dest); } if (dest != null) { recording.stop("Dump on exit"); } } catch (Exception e) { if (Logger.shouldLog(LogTag.JFR, LogLevel.DEBUG)) { Logger.log(LogTag.JFR, LogLevel.DEBUG, "Could not dump recording " + recording.getName() + " on exit."); } } } @SuppressWarnings("removal") private WriteableUserPath makeDumpOnExitPath(PlatformRecording recording) { try { String name = Utils.makeFilename(recording.getRecording()); AccessControlContext acc = recording.getNoDestinationDumpOnExitAccessControlContext(); return AccessController.doPrivileged(new PrivilegedExceptionAction<WriteableUserPath>() { @Override public WriteableUserPath run() throws Exception { return new WriteableUserPath(recording.getDumpOnExitDirectory().toPath().resolve(name)); } }, acc); } catch (PrivilegedActionException e) { Throwable t = e.getCause(); if (t instanceof SecurityException) { Logger.log(LogTag.JFR, LogLevel.WARN, "Not allowed to create dump path for recording " + recording.getId() + " on exit."); } if (t instanceof IOException) { Logger.log(LogTag.JFR, LogLevel.WARN, "Could not dump " + recording.getId() + " on exit."); } return null; } } static final class ExceptionHandler implements Thread.UncaughtExceptionHandler { @Override public void uncaughtException(Thread t, Throwable e) { JVM.getJVM().uncaughtException(t, e); } } }
⏎ jdk/jfr/internal/ShutdownHook.java
Or download all of them as a single archive file:
File name: jdk.jfr-17.0.5-src.zip File size: 363343 bytes Release date: 2022-09-13 Download
⇒ JDK 17 jdk.jlink.jmod - JLink Tool
2023-04-17, 8995👍, 0💬
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