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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 #ifndef CONTENT_COMMON_HOST_DISCARDABLE_SHARED_MEMORY_MANAGER_H_ | 5 #ifndef CONTENT_COMMON_HOST_DISCARDABLE_SHARED_MEMORY_MANAGER_H_ |
6 #define CONTENT_COMMON_HOST_DISCARDABLE_SHARED_MEMORY_MANAGER_H_ | 6 #define CONTENT_COMMON_HOST_DISCARDABLE_SHARED_MEMORY_MANAGER_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 | 10 |
11 #include <memory> | 11 #include <memory> |
12 #include <vector> | 12 #include <vector> |
13 | 13 |
14 #include "base/callback.h" | 14 #include "base/callback.h" |
15 #include "base/containers/hash_tables.h" | 15 #include "base/containers/hash_tables.h" |
16 #include "base/format_macros.h" | 16 #include "base/format_macros.h" |
17 #include "base/macros.h" | 17 #include "base/macros.h" |
18 #include "base/memory/discardable_memory_allocator.h" | 18 #include "base/memory/discardable_memory_allocator.h" |
19 #include "base/memory/discardable_shared_memory.h" | 19 #include "base/memory/discardable_shared_memory.h" |
20 #include "base/memory/memory_pressure_listener.h" | 20 #include "base/memory/memory_pressure_listener.h" |
21 #include "base/memory/ref_counted.h" | 21 #include "base/memory/ref_counted.h" |
22 #include "base/memory/shared_memory.h" | 22 #include "base/memory/shared_memory.h" |
23 #include "base/memory/weak_ptr.h" | 23 #include "base/memory/weak_ptr.h" |
24 #include "base/process/process_handle.h" | 24 #include "base/process/process_handle.h" |
25 #include "base/synchronization/lock.h" | 25 #include "base/synchronization/lock.h" |
26 #include "base/thread_task_runner_handle.h" | 26 #include "base/threading/thread_task_runner_handle.h" |
27 #include "base/trace_event/memory_dump_provider.h" | 27 #include "base/trace_event/memory_dump_provider.h" |
28 #include "content/common/content_export.h" | 28 #include "content/common/content_export.h" |
29 | 29 |
30 namespace content { | 30 namespace content { |
31 typedef int32_t DiscardableSharedMemoryId; | 31 typedef int32_t DiscardableSharedMemoryId; |
32 | 32 |
33 // Implementation of DiscardableMemoryAllocator that allocates and manages | 33 // Implementation of DiscardableMemoryAllocator that allocates and manages |
34 // discardable memory segments for the browser process and child processes. | 34 // discardable memory segments for the browser process and child processes. |
35 // This class is thread-safe and instances can safely be used on any thread. | 35 // This class is thread-safe and instances can safely be used on any thread. |
36 class CONTENT_EXPORT HostDiscardableSharedMemoryManager | 36 class CONTENT_EXPORT HostDiscardableSharedMemoryManager |
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139 base::Closure enforce_memory_policy_callback_; | 139 base::Closure enforce_memory_policy_callback_; |
140 bool enforce_memory_policy_pending_; | 140 bool enforce_memory_policy_pending_; |
141 base::WeakPtrFactory<HostDiscardableSharedMemoryManager> weak_ptr_factory_; | 141 base::WeakPtrFactory<HostDiscardableSharedMemoryManager> weak_ptr_factory_; |
142 | 142 |
143 DISALLOW_COPY_AND_ASSIGN(HostDiscardableSharedMemoryManager); | 143 DISALLOW_COPY_AND_ASSIGN(HostDiscardableSharedMemoryManager); |
144 }; | 144 }; |
145 | 145 |
146 } // namespace content | 146 } // namespace content |
147 | 147 |
148 #endif // CONTENT_COMMON_HOST_DISCARDABLE_SHARED_MEMORY_MANAGER_H_ | 148 #endif // CONTENT_COMMON_HOST_DISCARDABLE_SHARED_MEMORY_MANAGER_H_ |
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