JDK 11 jdk.jfr.jmod - JFR Module

JDK 11 jdk.jfr.jmod is the JMOD file for JDK 11 JFR module.

JDK 11 JFR module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.jfr.jmod.

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

JDK 11 JFR module source code files are stored in \fyicenter\jdk-11.0.1\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/instrument/FileOutputStreamInstrumentor.java

/*
 * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package jdk.jfr.internal.instrument;

import java.io.IOException;

import jdk.jfr.events.FileWriteEvent;

/**
 * See {@link JITracer} for an explanation of this code.
 */
@JIInstrumentationTarget("java.io.FileOutputStream")
final class FileOutputStreamInstrumentor {

    private FileOutputStreamInstrumentor() {
    }

    private String path;

    @SuppressWarnings("deprecation")
    @JIInstrumentationMethod
    public void write(int b) throws IOException {
        FileWriteEvent event = FileWriteEvent.EVENT.get();
        if (!event.isEnabled()) {
            write(b);
            return;
        }
        try {
            event.begin();
            write(b);
            event.bytesWritten = 1;
        } finally {
            event.path = path;
            event.commit();
            event.reset();
        }
    }

    @SuppressWarnings("deprecation")
    @JIInstrumentationMethod
    public void write(byte b[]) throws IOException {
        FileWriteEvent event = FileWriteEvent.EVENT.get();
        if (!event.isEnabled()) {
            write(b);
            return;
        }
        try {
            event.begin();
            write(b);
            event.bytesWritten = b.length;
        } finally {
            event.path = path;
            event.commit();
            event.reset();
        }
    }

    @SuppressWarnings("deprecation")
    @JIInstrumentationMethod
    public void write(byte b[], int off, int len) throws IOException {
        FileWriteEvent event = FileWriteEvent.EVENT.get();
        if (!event.isEnabled()) {
            write(b, off, len);
            return;
        }
        try {
            event.begin();
            write(b, off, len);
            event.bytesWritten = len;
        } finally {
            event.path = path;
            event.commit();
            event.reset();
        }
    }
}

jdk/jfr/internal/instrument/FileOutputStreamInstrumentor.java

 

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2020-06-30, 10013👍, 0💬