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Side by Side Diff: base/trace_event/memory_allocator_dump_guid.h

Issue 1546033002: Switch to standard integer types in base/trace_event/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years ago
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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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