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Side by Side Diff: base/debug/trace_event_win.h

Issue 7461141: Rename BASE_API to BASE_EXPORT. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: '' Created 9 years, 4 months ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2011 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 // This file contains the Windows-specific declarations for trace_event.h. 5 // This file contains the Windows-specific declarations for trace_event.h.
6 #ifndef BASE_DEBUG_TRACE_EVENT_WIN_H_ 6 #ifndef BASE_DEBUG_TRACE_EVENT_WIN_H_
7 #define BASE_DEBUG_TRACE_EVENT_WIN_H_ 7 #define BASE_DEBUG_TRACE_EVENT_WIN_H_
8 #pragma once 8 #pragma once
9 9
10 #include <string> 10 #include <string>
11 11
12 #include "base/base_api.h" 12 #include "base/base_export.h"
13 #include "base/debug/trace_event.h" 13 #include "base/debug/trace_event.h"
14 #include "base/win/event_trace_provider.h" 14 #include "base/win/event_trace_provider.h"
15 15
16 // Fwd. 16 // Fwd.
17 template <typename Type> 17 template <typename Type>
18 struct StaticMemorySingletonTraits; 18 struct StaticMemorySingletonTraits;
19 19
20 namespace base { 20 namespace base {
21 namespace debug { 21 namespace debug {
22 22
23 // This EtwTraceProvider subclass implements ETW logging 23 // This EtwTraceProvider subclass implements ETW logging
24 // for the macros above on Windows. 24 // for the macros above on Windows.
25 class BASE_API TraceEventETWProvider : public base::win::EtwTraceProvider { 25 class BASE_EXPORT TraceEventETWProvider : public base::win::EtwTraceProvider {
26 public: 26 public:
27 // Start logging trace events. 27 // Start logging trace events.
28 // This is a noop in this implementation. 28 // This is a noop in this implementation.
29 static bool StartTracing(); 29 static bool StartTracing();
30 30
31 // Trace begin/end/instant events, this is the bottleneck implementation 31 // Trace begin/end/instant events, this is the bottleneck implementation
32 // all the others defer to. 32 // all the others defer to.
33 // Allowing the use of std::string for name or extra is a convenience, 33 // Allowing the use of std::string for name or extra is a convenience,
34 // whereas passing name or extra as a const char* avoids the construction 34 // whereas passing name or extra as a const char* avoids the construction
35 // of temporary std::string instances. 35 // of temporary std::string instances.
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86 86
87 private: 87 private:
88 // Ensure only the provider can construct us. 88 // Ensure only the provider can construct us.
89 friend struct StaticMemorySingletonTraits<TraceEventETWProvider>; 89 friend struct StaticMemorySingletonTraits<TraceEventETWProvider>;
90 TraceEventETWProvider(); 90 TraceEventETWProvider();
91 91
92 DISALLOW_COPY_AND_ASSIGN(TraceEventETWProvider); 92 DISALLOW_COPY_AND_ASSIGN(TraceEventETWProvider);
93 }; 93 };
94 94
95 // The ETW trace provider GUID. 95 // The ETW trace provider GUID.
96 BASE_API extern const GUID kChromeTraceProviderName; 96 BASE_EXPORT extern const GUID kChromeTraceProviderName;
97 97
98 // The ETW event class GUID for 32 bit events. 98 // The ETW event class GUID for 32 bit events.
99 BASE_API extern const GUID kTraceEventClass32; 99 BASE_EXPORT extern const GUID kTraceEventClass32;
100 100
101 // The ETW event class GUID for 64 bit events. 101 // The ETW event class GUID for 64 bit events.
102 BASE_API extern const GUID kTraceEventClass64; 102 BASE_EXPORT extern const GUID kTraceEventClass64;
103 103
104 // The ETW event types, IDs 0x00-0x09 are reserved, so start at 0x10. 104 // The ETW event types, IDs 0x00-0x09 are reserved, so start at 0x10.
105 const base::win::EtwEventType kTraceEventTypeBegin = 0x10; 105 const base::win::EtwEventType kTraceEventTypeBegin = 0x10;
106 const base::win::EtwEventType kTraceEventTypeEnd = 0x11; 106 const base::win::EtwEventType kTraceEventTypeEnd = 0x11;
107 const base::win::EtwEventType kTraceEventTypeInstant = 0x12; 107 const base::win::EtwEventType kTraceEventTypeInstant = 0x12;
108 108
109 // If this flag is set in enable flags 109 // If this flag is set in enable flags
110 enum TraceEventFlags { 110 enum TraceEventFlags {
111 CAPTURE_STACK_TRACE = 0x0001, 111 CAPTURE_STACK_TRACE = 0x0001,
112 }; 112 };
113 113
114 // The event format consists of: 114 // The event format consists of:
115 // The "name" string as a zero-terminated ASCII string. 115 // The "name" string as a zero-terminated ASCII string.
116 // The id pointer in the machine bitness. 116 // The id pointer in the machine bitness.
117 // The "extra" string as a zero-terminated ASCII string. 117 // The "extra" string as a zero-terminated ASCII string.
118 // Optionally the stack trace, consisting of a DWORD "depth", followed 118 // Optionally the stack trace, consisting of a DWORD "depth", followed
119 // by an array of void* (machine bitness) of length "depth". 119 // by an array of void* (machine bitness) of length "depth".
120 120
121 // Forward decl. 121 // Forward decl.
122 struct TraceLogSingletonTraits; 122 struct TraceLogSingletonTraits;
123 123
124 } // nemspace debug 124 } // nemspace debug
125 } // namespace base 125 } // namespace base
126 126
127 #endif // BASE_DEBUG_TRACE_EVENT_WIN_H_ 127 #endif // BASE_DEBUG_TRACE_EVENT_WIN_H_
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