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Side by Side Diff: base/threading/platform_thread_win.cc

Issue 8565036: Set the profiler's thread name at a central place (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 9 years, 1 month 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 #include "base/threading/platform_thread.h" 5 #include "base/threading/platform_thread.h"
6 6
7 #include "base/debug/alias.h" 7 #include "base/debug/alias.h"
8 #include "base/logging.h" 8 #include "base/logging.h"
9 #include "base/threading/thread_local.h" 9 #include "base/threading/thread_local.h"
10 #include "base/threading/thread_restrictions.h" 10 #include "base/threading/thread_restrictions.h"
11 #include "base/tracked_objects.h"
11 12
12 #include "base/win/windows_version.h" 13 #include "base/win/windows_version.h"
13 14
14 namespace base { 15 namespace base {
15 16
16 namespace { 17 namespace {
17 18
18 static ThreadLocalPointer<char> current_thread_name; 19 static ThreadLocalPointer<char> current_thread_name;
19 20
20 // The information on how to set the thread name comes from 21 // The information on how to set the thread name comes from
21 // a MSDN article: http://msdn2.microsoft.com/en-us/library/xcb2z8hs.aspx 22 // a MSDN article: http://msdn2.microsoft.com/en-us/library/xcb2z8hs.aspx
22 const DWORD kVCThreadNameException = 0x406D1388; 23 const DWORD kVCThreadNameException = 0x406D1388;
23 24
24 typedef struct tagTHREADNAME_INFO { 25 typedef struct tagTHREADNAME_INFO {
25 DWORD dwType; // Must be 0x1000. 26 DWORD dwType; // Must be 0x1000.
26 LPCSTR szName; // Pointer to name (in user addr space). 27 LPCSTR szName; // Pointer to name (in user addr space).
27 DWORD dwThreadID; // Thread ID (-1=caller thread). 28 DWORD dwThreadID; // Thread ID (-1=caller thread).
28 DWORD dwFlags; // Reserved for future use, must be zero. 29 DWORD dwFlags; // Reserved for future use, must be zero.
29 } THREADNAME_INFO; 30 } THREADNAME_INFO;
30 31
32 // This function has try handling, so it is separated out of its caller.
33 void SetNameInternal(PlatformThreadId thread_id, const char* name) {
34 THREADNAME_INFO info;
35 info.dwType = 0x1000;
36 info.szName = name;
37 info.dwThreadID = thread_id;
38 info.dwFlags = 0;
39
40 __try {
41 RaiseException(kVCThreadNameException, 0, sizeof(info)/sizeof(DWORD),
42 reinterpret_cast<DWORD_PTR*>(&info));
43 } __except(EXCEPTION_CONTINUE_EXECUTION) {
44 }
45 }
46
31 struct ThreadParams { 47 struct ThreadParams {
32 PlatformThread::Delegate* delegate; 48 PlatformThread::Delegate* delegate;
33 bool joinable; 49 bool joinable;
34 }; 50 };
35 51
36 DWORD __stdcall ThreadFunc(void* params) { 52 DWORD __stdcall ThreadFunc(void* params) {
37 ThreadParams* thread_params = static_cast<ThreadParams*>(params); 53 ThreadParams* thread_params = static_cast<ThreadParams*>(params);
38 PlatformThread::Delegate* delegate = thread_params->delegate; 54 PlatformThread::Delegate* delegate = thread_params->delegate;
39 if (!thread_params->joinable) 55 if (!thread_params->joinable)
40 base::ThreadRestrictions::SetSingletonAllowed(false); 56 base::ThreadRestrictions::SetSingletonAllowed(false);
(...skipping 52 matching lines...) Expand 10 before | Expand all | Expand 10 after
93 } 109 }
94 110
95 // static 111 // static
96 void PlatformThread::Sleep(int duration_ms) { 112 void PlatformThread::Sleep(int duration_ms) {
97 ::Sleep(duration_ms); 113 ::Sleep(duration_ms);
98 } 114 }
99 115
100 // static 116 // static
101 void PlatformThread::SetName(const char* name) { 117 void PlatformThread::SetName(const char* name) {
102 current_thread_name.Set(const_cast<char*>(name)); 118 current_thread_name.Set(const_cast<char*>(name));
119 tracked_objects::ThreadData::InitializeThreadContext(name);
103 120
104 // The debugger needs to be around to catch the name in the exception. If 121 // The debugger needs to be around to catch the name in the exception. If
105 // there isn't a debugger, we are just needlessly throwing an exception. 122 // there isn't a debugger, we are just needlessly throwing an exception.
106 if (!::IsDebuggerPresent()) 123 if (!::IsDebuggerPresent())
107 return; 124 return;
108 125
109 THREADNAME_INFO info; 126 SetNameInternal(CurrentId(), name);
110 info.dwType = 0x1000;
111 info.szName = name;
112 info.dwThreadID = CurrentId();
113 info.dwFlags = 0;
114
115 __try {
116 RaiseException(kVCThreadNameException, 0, sizeof(info)/sizeof(DWORD),
117 reinterpret_cast<DWORD_PTR*>(&info));
118 } __except(EXCEPTION_CONTINUE_EXECUTION) {
119 }
120 } 127 }
121 128
122 // static 129 // static
123 const char* PlatformThread::GetName() { 130 const char* PlatformThread::GetName() {
124 return current_thread_name.Get(); 131 return current_thread_name.Get();
125 } 132 }
126 133
127 // static 134 // static
128 bool PlatformThread::Create(size_t stack_size, Delegate* delegate, 135 bool PlatformThread::Create(size_t stack_size, Delegate* delegate,
129 PlatformThreadHandle* thread_handle) { 136 PlatformThreadHandle* thread_handle) {
(...skipping 36 matching lines...) Expand 10 before | Expand all | Expand 10 after
166 case kThreadPriority_RealtimeAudio: 173 case kThreadPriority_RealtimeAudio:
167 ::SetThreadPriority(handle, THREAD_PRIORITY_TIME_CRITICAL); 174 ::SetThreadPriority(handle, THREAD_PRIORITY_TIME_CRITICAL);
168 break; 175 break;
169 default: 176 default:
170 NOTIMPLEMENTED(); 177 NOTIMPLEMENTED();
171 break; 178 break;
172 } 179 }
173 } 180 }
174 181
175 } // namespace base 182 } // namespace base
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