| // Copyright 2016 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef V8_BASE_ACCOUNTING_ALLOCATOR_H_ |
| #define V8_BASE_ACCOUNTING_ALLOCATOR_H_ |
| |
| #include "src/base/atomicops.h" |
| #include "src/base/macros.h" |
| |
| namespace v8 { |
| namespace base { |
| |
| class AccountingAllocator final { |
| public: |
| AccountingAllocator() = default; |
| ~AccountingAllocator() = default; |
| |
| // Returns nullptr on failed allocation. |
| void* Allocate(size_t bytes); |
| void Free(void* memory, size_t bytes); |
| |
| size_t GetCurrentMemoryUsage() const; |
| |
| private: |
| AtomicWord current_memory_usage_ = 0; |
| |
| DISALLOW_COPY_AND_ASSIGN(AccountingAllocator); |
| }; |
| |
| } // namespace base |
| } // namespace v8 |
| |
| #endif // V8_BASE_ACCOUNTING_ALLOCATOR_H_ |