OLD | NEW |
1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_PROFILER_CIRCULAR_QUEUE_H_ | 5 #ifndef V8_PROFILER_CIRCULAR_QUEUE_H_ |
6 #define V8_PROFILER_CIRCULAR_QUEUE_H_ | 6 #define V8_PROFILER_CIRCULAR_QUEUE_H_ |
7 | 7 |
8 #include "src/base/atomicops.h" | 8 #include "src/base/atomicops.h" |
9 #include "src/globals.h" | 9 #include "src/globals.h" |
10 | 10 |
(...skipping 13 matching lines...) Expand all Loading... |
24 // Executed on the application thread. | 24 // Executed on the application thread. |
25 SamplingCircularQueue(); | 25 SamplingCircularQueue(); |
26 ~SamplingCircularQueue(); | 26 ~SamplingCircularQueue(); |
27 | 27 |
28 // StartEnqueue returns a pointer to a memory location for storing the next | 28 // StartEnqueue returns a pointer to a memory location for storing the next |
29 // record or NULL if all entries are full at the moment. | 29 // record or NULL if all entries are full at the moment. |
30 T* StartEnqueue(); | 30 T* StartEnqueue(); |
31 // Notifies the queue that the producer has complete writing data into the | 31 // Notifies the queue that the producer has complete writing data into the |
32 // memory returned by StartEnqueue and it can be passed to the consumer. | 32 // memory returned by StartEnqueue and it can be passed to the consumer. |
33 void FinishEnqueue(); | 33 void FinishEnqueue(); |
| 34 // Returns the current memory for enqueue. |
| 35 T* CurrentEnqueue(); |
34 | 36 |
35 // Executed on the consumer (analyzer) thread. | 37 // Executed on the consumer (analyzer) thread. |
36 // Retrieves, but does not remove, the head of this queue, returning NULL | 38 // Retrieves, but does not remove, the head of this queue, returning NULL |
37 // if this queue is empty. After the record had been read by a consumer, | 39 // if this queue is empty. After the record had been read by a consumer, |
38 // Remove must be called. | 40 // Remove must be called. |
39 T* Peek(); | 41 T* Peek(); |
40 void Remove(); | 42 void Remove(); |
41 | 43 |
42 private: | 44 private: |
43 // Reserved values for the entry marker. | 45 // Reserved values for the entry marker. |
(...skipping 16 matching lines...) Expand all Loading... |
60 V8_ALIGNED(PROCESSOR_CACHE_LINE_SIZE) Entry* dequeue_pos_; | 62 V8_ALIGNED(PROCESSOR_CACHE_LINE_SIZE) Entry* dequeue_pos_; |
61 | 63 |
62 DISALLOW_COPY_AND_ASSIGN(SamplingCircularQueue); | 64 DISALLOW_COPY_AND_ASSIGN(SamplingCircularQueue); |
63 }; | 65 }; |
64 | 66 |
65 | 67 |
66 } // namespace internal | 68 } // namespace internal |
67 } // namespace v8 | 69 } // namespace v8 |
68 | 70 |
69 #endif // V8_PROFILER_CIRCULAR_QUEUE_H_ | 71 #endif // V8_PROFILER_CIRCULAR_QUEUE_H_ |
OLD | NEW |