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73 lines
2.1 KiB
73 lines
2.1 KiB
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ART_RUNTIME_REFERENCE_TABLE_H_
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#define ART_RUNTIME_REFERENCE_TABLE_H_
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#include <cstddef>
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#include <iosfwd>
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#include <string>
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#include <vector>
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#include "base/allocator.h"
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#include "base/locks.h"
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#include "gc_root.h"
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#include "obj_ptr.h"
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namespace art {
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namespace mirror {
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class Object;
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} // namespace mirror
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// Maintain a table of references. Used for JNI monitor references and
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// JNI pinned array references.
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//
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// None of the functions are synchronized.
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class ReferenceTable {
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public:
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ReferenceTable(const char* name, size_t initial_size, size_t max_size);
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~ReferenceTable();
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void Add(ObjPtr<mirror::Object> obj) REQUIRES_SHARED(Locks::mutator_lock_);
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void Remove(ObjPtr<mirror::Object> obj) REQUIRES_SHARED(Locks::mutator_lock_);
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size_t Size() const;
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void Dump(std::ostream& os)
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REQUIRES_SHARED(Locks::mutator_lock_)
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REQUIRES(!Locks::alloc_tracker_lock_);
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void VisitRoots(RootVisitor* visitor, const RootInfo& root_info)
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REQUIRES_SHARED(Locks::mutator_lock_);
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private:
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typedef std::vector<GcRoot<mirror::Object>,
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TrackingAllocator<GcRoot<mirror::Object>, kAllocatorTagReferenceTable>> Table;
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static void Dump(std::ostream& os, Table& entries)
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REQUIRES_SHARED(Locks::mutator_lock_)
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REQUIRES(!Locks::alloc_tracker_lock_);
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friend class IndirectReferenceTable; // For Dump.
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std::string name_;
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Table entries_;
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size_t max_size_;
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};
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} // namespace art
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#endif // ART_RUNTIME_REFERENCE_TABLE_H_
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