84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
/*
|
|
* Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*
|
|
*/
|
|
|
|
#ifndef SHARE_CLASSFILE_CLASSLISTWRITER_HPP
|
|
#define SHARE_CLASSFILE_CLASSLISTWRITER_HPP
|
|
|
|
#include "runtime/arguments.hpp"
|
|
#include "runtime/mutexLocker.hpp"
|
|
#include "runtime/thread.hpp"
|
|
#include "utilities/ostream.hpp"
|
|
|
|
class ClassListWriter {
|
|
friend const char* make_log_name(const char* log_name, const char* force_directory);
|
|
|
|
static fileStream* _classlist_file;
|
|
MutexLocker _locker;
|
|
public:
|
|
#if INCLUDE_CDS
|
|
ClassListWriter() : _locker(Thread::current(), ClassListFile_lock, Mutex::_no_safepoint_check_flag) {}
|
|
#else
|
|
ClassListWriter() : _locker(Thread::current(), NULL, Mutex::_no_safepoint_check_flag) {}
|
|
#endif
|
|
|
|
outputStream* stream() {
|
|
return _classlist_file;
|
|
}
|
|
|
|
static bool is_enabled() {
|
|
#if INCLUDE_CDS
|
|
return _classlist_file != NULL && _classlist_file->is_open();
|
|
#else
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
static void init() {
|
|
#if INCLUDE_CDS
|
|
// For -XX:DumpLoadedClassList=<file> option
|
|
if (DumpLoadedClassList != NULL) {
|
|
const char* list_name = make_log_name(DumpLoadedClassList, NULL);
|
|
_classlist_file = new(ResourceObj::C_HEAP, mtInternal)
|
|
fileStream(list_name);
|
|
_classlist_file->print_cr("# NOTE: Do not modify this file.");
|
|
_classlist_file->print_cr("#");
|
|
_classlist_file->print_cr("# This file is generated via the -XX:DumpLoadedClassList=<class_list_file> option");
|
|
_classlist_file->print_cr("# and is used at CDS archive dump time (see -Xshare:dump).");
|
|
_classlist_file->print_cr("#");
|
|
FREE_C_HEAP_ARRAY(char, list_name);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static void delete_classlist() {
|
|
#if INCLUDE_CDS
|
|
if (_classlist_file != NULL) {
|
|
delete _classlist_file;
|
|
}
|
|
#endif
|
|
}
|
|
};
|
|
|
|
#endif // SHARE_CLASSFILE_CLASSLISTWRITER_HPP
|