| OLD | NEW |
| (Empty) |
| 1 // Copyright 2011 the V8 project authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef V8_CIRCULAR_QUEUE_INL_H_ | |
| 6 #define V8_CIRCULAR_QUEUE_INL_H_ | |
| 7 | |
| 8 #include "src/circular-queue.h" | |
| 9 | |
| 10 namespace v8 { | |
| 11 namespace internal { | |
| 12 | |
| 13 template<typename T, unsigned L> | |
| 14 SamplingCircularQueue<T, L>::SamplingCircularQueue() | |
| 15 : enqueue_pos_(buffer_), | |
| 16 dequeue_pos_(buffer_) { | |
| 17 } | |
| 18 | |
| 19 | |
| 20 template<typename T, unsigned L> | |
| 21 SamplingCircularQueue<T, L>::~SamplingCircularQueue() { | |
| 22 } | |
| 23 | |
| 24 | |
| 25 template<typename T, unsigned L> | |
| 26 T* SamplingCircularQueue<T, L>::Peek() { | |
| 27 base::MemoryBarrier(); | |
| 28 if (base::Acquire_Load(&dequeue_pos_->marker) == kFull) { | |
| 29 return &dequeue_pos_->record; | |
| 30 } | |
| 31 return NULL; | |
| 32 } | |
| 33 | |
| 34 | |
| 35 template<typename T, unsigned L> | |
| 36 void SamplingCircularQueue<T, L>::Remove() { | |
| 37 base::Release_Store(&dequeue_pos_->marker, kEmpty); | |
| 38 dequeue_pos_ = Next(dequeue_pos_); | |
| 39 } | |
| 40 | |
| 41 | |
| 42 template<typename T, unsigned L> | |
| 43 T* SamplingCircularQueue<T, L>::StartEnqueue() { | |
| 44 base::MemoryBarrier(); | |
| 45 if (base::Acquire_Load(&enqueue_pos_->marker) == kEmpty) { | |
| 46 return &enqueue_pos_->record; | |
| 47 } | |
| 48 return NULL; | |
| 49 } | |
| 50 | |
| 51 | |
| 52 template<typename T, unsigned L> | |
| 53 void SamplingCircularQueue<T, L>::FinishEnqueue() { | |
| 54 base::Release_Store(&enqueue_pos_->marker, kFull); | |
| 55 enqueue_pos_ = Next(enqueue_pos_); | |
| 56 } | |
| 57 | |
| 58 | |
| 59 template<typename T, unsigned L> | |
| 60 typename SamplingCircularQueue<T, L>::Entry* SamplingCircularQueue<T, L>::Next( | |
| 61 Entry* entry) { | |
| 62 Entry* next = entry + 1; | |
| 63 if (next == &buffer_[L]) return buffer_; | |
| 64 return next; | |
| 65 } | |
| 66 | |
| 67 } } // namespace v8::internal | |
| 68 | |
| 69 #endif // V8_CIRCULAR_QUEUE_INL_H_ | |
| OLD | NEW |