| /* |
| * Copyright 2016 Google Inc. All Rights Reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "nb/allocator_decorator.h" |
| |
| #include "starboard/mutex.h" |
| |
| namespace nb { |
| |
| class AllocatorDecorator::Lock { |
| public: |
| void Acquire() { mutex_.Acquire(); } |
| void Release() { mutex_.Release(); } |
| |
| private: |
| starboard::Mutex mutex_; |
| }; |
| |
| class AllocatorDecorator::ScopedLock { |
| public: |
| ScopedLock(Lock* lock) : lock_(lock) { |
| if (lock_) { |
| lock_->Acquire(); |
| } |
| } |
| ~ScopedLock() { |
| if (lock_) { |
| lock_->Release(); |
| } |
| } |
| |
| private: |
| Lock* lock_; |
| }; |
| |
| AllocatorDecorator::AllocatorDecorator(scoped_ptr<Allocator> impl, |
| bool thread_safe) |
| : lock_(NULL), impl_(impl.Pass()) { |
| if (thread_safe) { |
| lock_ = new Lock; |
| } |
| } |
| |
| AllocatorDecorator::~AllocatorDecorator() { |
| delete lock_; |
| } |
| |
| void* AllocatorDecorator::Allocate(std::size_t size) { |
| ScopedLock scoped_lock(lock_); |
| return impl_->Allocate(size); |
| } |
| |
| void* AllocatorDecorator::Allocate(std::size_t size, std::size_t alignment) { |
| ScopedLock scoped_lock(lock_); |
| return impl_->Allocate(size, alignment); |
| } |
| |
| void* AllocatorDecorator::AllocateForAlignment(std::size_t* size, |
| std::size_t alignment) { |
| ScopedLock scoped_lock(lock_); |
| return impl_->AllocateForAlignment(size, alignment); |
| } |
| |
| void AllocatorDecorator::Free(void* memory) { |
| ScopedLock scoped_lock(lock_); |
| impl_->Free(memory); |
| } |
| |
| std::size_t AllocatorDecorator::GetCapacity() const { |
| ScopedLock scoped_lock(lock_); |
| return impl_->GetCapacity(); |
| } |
| |
| std::size_t AllocatorDecorator::GetAllocated() const { |
| ScopedLock scoped_lock(lock_); |
| return impl_->GetAllocated(); |
| } |
| |
| void AllocatorDecorator::PrintAllocations() const { |
| ScopedLock scoped_lock(lock_); |
| impl_->PrintAllocations(); |
| } |
| |
| } // namespace nb |