src/share/vm/classfile/classLoaderData.inline.hpp

Mon, 12 Aug 2019 18:30:40 +0300

author
apetushkov
date
Mon, 12 Aug 2019 18:30:40 +0300
changeset 9858
b985cbb00e68
parent 8444
9f2a972df4da
child 8604
04d83ba48607
permissions
-rw-r--r--

8223147: JFR Backport
8199712: Flight Recorder
8203346: JFR: Inconsistent signature of jfr_add_string_constant
8195817: JFR.stop should require name of recording
8195818: JFR.start should increase autogenerated name by one
8195819: Remove recording=x from jcmd JFR.check output
8203921: JFR thread sampling is missing fixes from JDK-8194552
8203929: Limit amount of data for JFR.dump
8203664: JFR start failure after AppCDS archive created with JFR StartFlightRecording
8003209: JFR events for network utilization
8207392: [PPC64] Implement JFR profiling
8202835: jfr/event/os/TestSystemProcess.java fails on missing events
Summary: Backport JFR from JDK11. Initial integration
Reviewed-by: neugens

     1 /*
     2  * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.
     8  *
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    12  * version 2 for more details (a copy is included in the LICENSE file that
    13  * accompanied this code).
    14  *
    15  * You should have received a copy of the GNU General Public License version
    16  * 2 along with this work; if not, write to the Free Software Foundation,
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    18  *
    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    20  * or visit www.oracle.com if you need additional information or have any
    21  * questions.
    22  *
    23  */
    25 #include "classfile/classLoaderData.hpp"
    26 #include "classfile/javaClasses.hpp"
    28 inline ClassLoaderData* ClassLoaderData::class_loader_data_or_null(oop loader) {
    29   if (loader == NULL) {
    30     return ClassLoaderData::the_null_class_loader_data();
    31   }
    32   return java_lang_ClassLoader::loader_data(loader);
    33 }
    35 inline ClassLoaderData* ClassLoaderData::class_loader_data(oop loader) {
    36   ClassLoaderData* loader_data = class_loader_data_or_null(loader);
    37   assert(loader_data != NULL, "Must be");
    38   return loader_data;
    39 }
    42 inline ClassLoaderData *ClassLoaderDataGraph::find_or_create(Handle loader, TRAPS) {
    43   guarantee(loader() != NULL && loader()->is_oop(), "Loader must be oop");
    44   // Gets the class loader data out of the java/lang/ClassLoader object, if non-null
    45   // it's already in the loader_data, so no need to add
    46   ClassLoaderData* loader_data= java_lang_ClassLoader::loader_data(loader());
    47   if (loader_data) {
    48      return loader_data;
    49   }
    50   return ClassLoaderDataGraph::add(loader, false, THREAD);
    51 }

mercurial