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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 BASE_TRACE_EVENT_MEMORY_ALLOCATOR_DUMP_GUID_H_ | 5 #ifndef BASE_TRACE_EVENT_MEMORY_ALLOCATOR_DUMP_GUID_H_ |
6 #define BASE_TRACE_EVENT_MEMORY_ALLOCATOR_DUMP_GUID_H_ | 6 #define BASE_TRACE_EVENT_MEMORY_ALLOCATOR_DUMP_GUID_H_ |
7 | 7 |
| 8 #include <stdint.h> |
| 9 |
8 #include <string> | 10 #include <string> |
9 | 11 |
10 #include "base/base_export.h" | 12 #include "base/base_export.h" |
11 #include "base/basictypes.h" | |
12 | 13 |
13 namespace base { | 14 namespace base { |
14 namespace trace_event { | 15 namespace trace_event { |
15 | 16 |
16 class BASE_EXPORT MemoryAllocatorDumpGuid { | 17 class BASE_EXPORT MemoryAllocatorDumpGuid { |
17 public: | 18 public: |
18 MemoryAllocatorDumpGuid(); | 19 MemoryAllocatorDumpGuid(); |
19 explicit MemoryAllocatorDumpGuid(uint64 guid); | 20 explicit MemoryAllocatorDumpGuid(uint64_t guid); |
20 | 21 |
21 // Utility ctor to hash a GUID if the caller prefers a string. The caller | 22 // Utility ctor to hash a GUID if the caller prefers a string. The caller |
22 // still has to ensure that |guid_str| is unique, per snapshot, within the | 23 // still has to ensure that |guid_str| is unique, per snapshot, within the |
23 // global scope of all the traced processes. | 24 // global scope of all the traced processes. |
24 explicit MemoryAllocatorDumpGuid(const std::string& guid_str); | 25 explicit MemoryAllocatorDumpGuid(const std::string& guid_str); |
25 | 26 |
26 uint64 ToUint64() const { return guid_; } | 27 uint64_t ToUint64() const { return guid_; } |
27 | 28 |
28 // Returns a (hex-encoded) string representation of the guid. | 29 // Returns a (hex-encoded) string representation of the guid. |
29 std::string ToString() const; | 30 std::string ToString() const; |
30 | 31 |
31 bool empty() const { return guid_ == 0u; } | 32 bool empty() const { return guid_ == 0u; } |
32 | 33 |
33 bool operator==(const MemoryAllocatorDumpGuid& other) const { | 34 bool operator==(const MemoryAllocatorDumpGuid& other) const { |
34 return guid_ == other.guid_; | 35 return guid_ == other.guid_; |
35 } | 36 } |
36 | 37 |
37 bool operator!=(const MemoryAllocatorDumpGuid& other) const { | 38 bool operator!=(const MemoryAllocatorDumpGuid& other) const { |
38 return !(*this == other); | 39 return !(*this == other); |
39 } | 40 } |
40 | 41 |
41 private: | 42 private: |
42 uint64 guid_; | 43 uint64_t guid_; |
43 | 44 |
44 // Deliberately copy-able. | 45 // Deliberately copy-able. |
45 }; | 46 }; |
46 | 47 |
47 } // namespace trace_event | 48 } // namespace trace_event |
48 } // namespace base | 49 } // namespace base |
49 | 50 |
50 #endif // BASE_TRACE_EVENT_MEMORY_ALLOCATOR_DUMP_GUID_H_ | 51 #endif // BASE_TRACE_EVENT_MEMORY_ALLOCATOR_DUMP_GUID_H_ |
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