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JDK 17 jdk.management.jmod - Management Module
JDK 17 jdk.management.jmod is the JMOD file for JDK 17 Management module.
JDK 17 Management module compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\jdk.management.jmod.
JDK 17 Management module compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.
JDK 17 Management module source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\jdk.management.
You can click and view the content of each source code file in the list below.
✍: FYIcenter
⏎ com/sun/management/ThreadMXBean.java
/* * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package com.sun.management; import java.util.Map; /** * Platform-specific management interface for the thread system * of the Java virtual machine. * <p> * This platform extension is only available to a thread * implementation that supports this extension. * * @author Paul Hohensee * @since 6u25 */ public interface ThreadMXBean extends java.lang.management.ThreadMXBean { /** * Returns the total CPU time for each thread whose ID is * in the input array {@code ids} in nanoseconds. * The returned values are of nanoseconds precision but * not necessarily nanoseconds accuracy. * <p> * This method is equivalent to calling the * {@link ThreadMXBean#getThreadCpuTime(long)} * method for each thread ID in the input array {@code ids} and setting the * returned value in the corresponding element of the returned array. * * @param ids an array of thread IDs. * @return an array of long values, each of which is the amount of CPU * time the thread whose ID is in the corresponding element of the input * array of IDs has used, * if the thread of a specified ID exists, the thread is alive, * and CPU time measurement is enabled; * {@code -1} otherwise. * * @throws NullPointerException if {@code ids} is {@code null} * @throws IllegalArgumentException if any element in the input array * {@code ids} is {@code <=} {@code 0}. * @throws UnsupportedOperationException if the Java * virtual machine implementation does not support CPU time * measurement. * * @see ThreadMXBean#getThreadCpuTime(long) * @see #getThreadUserTime * @see ThreadMXBean#isThreadCpuTimeSupported * @see ThreadMXBean#isThreadCpuTimeEnabled * @see ThreadMXBean#setThreadCpuTimeEnabled */ public long[] getThreadCpuTime(long[] ids); /** * Returns the CPU time that each thread whose ID is in the input array * {@code ids} has executed in user mode in nanoseconds. * The returned values are of nanoseconds precision but * not necessarily nanoseconds accuracy. * <p> * This method is equivalent to calling the * {@link ThreadMXBean#getThreadUserTime(long)} * method for each thread ID in the input array {@code ids} and setting the * returned value in the corresponding element of the returned array. * * @param ids an array of thread IDs. * @return an array of long values, each of which is the amount of user * mode CPU time the thread whose ID is in the corresponding element of * the input array of IDs has used, * if the thread of a specified ID exists, the thread is alive, * and CPU time measurement is enabled; * {@code -1} otherwise. * * @throws NullPointerException if {@code ids} is {@code null} * @throws IllegalArgumentException if any element in the input array * {@code ids} is {@code <=} {@code 0}. * @throws UnsupportedOperationException if the Java * virtual machine implementation does not support CPU time * measurement. * * @see ThreadMXBean#getThreadUserTime(long) * @see #getThreadCpuTime * @see ThreadMXBean#isThreadCpuTimeSupported * @see ThreadMXBean#isThreadCpuTimeEnabled * @see ThreadMXBean#setThreadCpuTimeEnabled */ public long[] getThreadUserTime(long[] ids); /** * Returns an approximation of the total amount of memory, in bytes, * allocated in heap memory for the current thread. * The returned value is an approximation because some Java virtual machine * implementations may use object allocation mechanisms that result in a * delay between the time an object is allocated and the time its size is * recorded. * * <p> * This is a convenience method for local management use and is * equivalent to calling: * <blockquote><pre> * {@link #getThreadAllocatedBytes getThreadAllocatedBytes}(Thread.currentThread().getId()); * </pre></blockquote> * * @return an approximation of the total memory allocated, in bytes, in * heap memory for the current thread * if thread memory allocation measurement is enabled; * {@code -1} otherwise. * * @throws UnsupportedOperationException if the Java virtual * machine implementation does not support thread memory allocation * measurement. * * @see #isThreadAllocatedMemorySupported * @see #isThreadAllocatedMemoryEnabled * @see #setThreadAllocatedMemoryEnabled * * @since 14 */ public default long getCurrentThreadAllocatedBytes() { return getThreadAllocatedBytes(Thread.currentThread().getId()); } /** * Returns an approximation of the total amount of memory, in bytes, * allocated in heap memory for the thread with the specified ID. * The returned value is an approximation because some Java virtual machine * implementations may use object allocation mechanisms that result in a * delay between the time an object is allocated and the time its size is * recorded. * <p> * If the thread with the specified ID is not alive or does not exist, * this method returns {@code -1}. If thread memory allocation measurement * is disabled, this method returns {@code -1}. * A thread is alive if it has been started and has not yet died. * <p> * If thread memory allocation measurement is enabled after the thread has * started, the Java virtual machine implementation may choose any time up * to and including the time that the capability is enabled as the point * where thread memory allocation measurement starts. * * @param id the thread ID of a thread * @return an approximation of the total memory allocated, in bytes, in * heap memory for the thread with the specified ID * if the thread with the specified ID exists, the thread is alive, * and thread memory allocation measurement is enabled; * {@code -1} otherwise. * * @throws IllegalArgumentException if {@code id} {@code <=} {@code 0}. * @throws UnsupportedOperationException if the Java virtual * machine implementation does not support thread memory allocation * measurement. * * @see #isThreadAllocatedMemorySupported * @see #isThreadAllocatedMemoryEnabled * @see #setThreadAllocatedMemoryEnabled */ public long getThreadAllocatedBytes(long id); /** * Returns an approximation of the total amount of memory, in bytes, * allocated in heap memory for each thread whose ID is in the input * array {@code ids}. * The returned values are approximations because some Java virtual machine * implementations may use object allocation mechanisms that result in a * delay between the time an object is allocated and the time its size is * recorded. * <p> * This method is equivalent to calling the * {@link #getThreadAllocatedBytes(long)} * method for each thread ID in the input array {@code ids} and setting the * returned value in the corresponding element of the returned array. * * @param ids an array of thread IDs. * @return an array of long values, each of which is an approximation of * the total memory allocated, in bytes, in heap memory for the thread * whose ID is in the corresponding element of the input array of IDs. * * @throws NullPointerException if {@code ids} is {@code null} * @throws IllegalArgumentException if any element in the input array * {@code ids} is {@code <=} {@code 0}. * @throws UnsupportedOperationException if the Java virtual * machine implementation does not support thread memory allocation * measurement. * * @see #getThreadAllocatedBytes(long) * @see #isThreadAllocatedMemorySupported * @see #isThreadAllocatedMemoryEnabled * @see #setThreadAllocatedMemoryEnabled */ public long[] getThreadAllocatedBytes(long[] ids); /** * Tests if the Java virtual machine implementation supports thread memory * allocation measurement. * * @return * {@code true} * if the Java virtual machine implementation supports thread memory * allocation measurement; * {@code false} otherwise. */ public boolean isThreadAllocatedMemorySupported(); /** * Tests if thread memory allocation measurement is enabled. * * @return {@code true} if thread memory allocation measurement is enabled; * {@code false} otherwise. * * @throws UnsupportedOperationException if the Java virtual * machine does not support thread memory allocation measurement. * * @see #isThreadAllocatedMemorySupported */ public boolean isThreadAllocatedMemoryEnabled(); /** * Enables or disables thread memory allocation measurement. The default * is platform dependent. * * @param enable {@code true} to enable; * {@code false} to disable. * * @throws UnsupportedOperationException if the Java virtual * machine does not support thread memory allocation measurement. * * @throws SecurityException if a security manager * exists and the caller does not have * ManagementPermission("control"). * * @see #isThreadAllocatedMemorySupported */ public void setThreadAllocatedMemoryEnabled(boolean enable); }
⏎ com/sun/management/ThreadMXBean.java
Or download all of them as a single archive file:
File name: jdk.management-17.0.5-src.zip File size: 42254 bytes Release date: 2022-09-13 Download
⇒ JDK 17 jdk.management.agent.jmod - Management Agent Module
2023-07-29, 1969👍, 0💬
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