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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium 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 #include "content/child/child_discardable_shared_memory_manager.h" | 5 #include "content/child/child_discardable_shared_memory_manager.h" |
6 | 6 |
7 #include "base/atomic_sequence_num.h" | 7 #include "base/atomic_sequence_num.h" |
8 #include "base/bind.h" | 8 #include "base/bind.h" |
9 #include "base/debug/crash_logging.h" | 9 #include "base/debug/crash_logging.h" |
10 #include "base/memory/discardable_memory.h" | 10 #include "base/memory/discardable_memory.h" |
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52 | 52 |
53 is_locked_ = true; | 53 is_locked_ = true; |
54 return true; | 54 return true; |
55 } | 55 } |
56 void Unlock() override { | 56 void Unlock() override { |
57 DCHECK(is_locked_); | 57 DCHECK(is_locked_); |
58 | 58 |
59 manager_->UnlockSpan(span_.get()); | 59 manager_->UnlockSpan(span_.get()); |
60 is_locked_ = false; | 60 is_locked_ = false; |
61 } | 61 } |
62 void* Memory() const override { | 62 void* data() const override { |
63 DCHECK(is_locked_); | 63 DCHECK(is_locked_); |
64 return reinterpret_cast<void*>(span_->start() * base::GetPageSize()); | 64 return reinterpret_cast<void*>(span_->start() * base::GetPageSize()); |
65 } | 65 } |
66 | 66 |
67 private: | 67 private: |
68 ChildDiscardableSharedMemoryManager* const manager_; | 68 ChildDiscardableSharedMemoryManager* const manager_; |
69 scoped_ptr<DiscardableSharedMemoryHeap::Span> span_; | 69 scoped_ptr<DiscardableSharedMemoryHeap::Span> span_; |
70 bool is_locked_; | 70 bool is_locked_; |
71 | 71 |
72 DISALLOW_COPY_AND_ASSIGN(DiscardableMemoryImpl); | 72 DISALLOW_COPY_AND_ASSIGN(DiscardableMemoryImpl); |
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283 "discardable-memory-allocated"; | 283 "discardable-memory-allocated"; |
284 base::debug::SetCrashKeyValue(kDiscardableMemoryAllocatedKey, | 284 base::debug::SetCrashKeyValue(kDiscardableMemoryAllocatedKey, |
285 base::Uint64ToString(new_bytes_total)); | 285 base::Uint64ToString(new_bytes_total)); |
286 | 286 |
287 static const char kDiscardableMemoryFreeKey[] = "discardable-memory-free"; | 287 static const char kDiscardableMemoryFreeKey[] = "discardable-memory-free"; |
288 base::debug::SetCrashKeyValue(kDiscardableMemoryFreeKey, | 288 base::debug::SetCrashKeyValue(kDiscardableMemoryFreeKey, |
289 base::Uint64ToString(new_bytes_free)); | 289 base::Uint64ToString(new_bytes_free)); |
290 } | 290 } |
291 | 291 |
292 } // namespace content | 292 } // namespace content |
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