/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
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* 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 ) .
*
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* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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#ifndef SHARE_CDS_CLASSLISTWRITER_HPP
#define SHARE_CDS_CLASSLISTWRITER_HPP
#include "runtime/javaThread.hpp"
#include "runtime/mutexLocker.hpp"
#include "utilities/ostream.hpp"
class ClassFileStream;
class ClassListWriter {
#if INCLUDE_CDS
class IDTable;
static fileStream* _classlist_file;
static IDTable* _id_table;
static int _total_ids;
MutexLocker _locker;
static int get_id(const InstanceKlass* k);
static bool has_id(const InstanceKlass* k);
static void assert_locked() { assert_lock_strong(ClassListFile_lock); }
public :
ClassListWriter() : _locker(Thread::current(), ClassListFile_lock, Mutex::_no_safepoint_check_flag) {}
outputStream* stream() {
return _classlist_file;
}
void handle_class_unloading(const InstanceKlass* klass);
static bool is_enabled() {
return _classlist_file != NULL && _classlist_file->is_open();
}
#else
public :
static bool is_enabled() {
return false ;
}
#endif // INCLUDE_CDS
static void init() NOT_CDS_RETURN;
static void write(const InstanceKlass* k, const ClassFileStream* cfs) NOT_CDS_RETURN;
static void write_to_stream(const InstanceKlass* k, outputStream* stream, const ClassFileStream* cfs = NULL) NOT_CDS_RETURN;
static void delete_classlist() NOT_CDS_RETURN;
};
#endif // SHARE_CDS_CLASSLISTWRITER_HPP
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