Adding debugging info for thread name....

base/thread.cc

 // Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/thread.h"
 
 #include "base/lazy_instance.h"
 #include "base/third_party/dynamic_annotations/dynamic_annotations.h"
 #include "base/thread_local.h"
 #include "base/waitable_event.h"
@@ skipping 118 matching lines @@
   // with ThreadMain, so we annotate it to stay silent under ThreadSanitizer.
   DCHECK_NE(ANNOTATE_UNPROTECTED_READ(thread_id_), PlatformThread::CurrentId());
 
   if (stopping_ || !message_loop_)
     return;
 
   stopping_ = true;
   message_loop_->PostTask(FROM_HERE, new ThreadQuitTask());
 }
 
+#if defined(OS_WIN)
+#pragma warning (disable: 4748)
+#pragma optimize( "", off )
+#endif
+
 void Thread::Run(MessageLoop* message_loop) {
+#if defined(OS_WIN)
+  // Logging the thread name for debugging.
+  // TODO(huanr): remove after done.
+  // http://code.google.com/p/chromium/issues/detail?id=54307
+  char name[16];
+  strncpy(name, name_.c_str(), arraysize(name) - 1);
+  name[arraysize(name) - 1] = '\0';
+#endif
   message_loop->Run();
 }
 
+#if defined(OS_WIN)
+#pragma optimize( "", on )
+#pragma warning (default: 4748)
+#endif
+
 void Thread::ThreadMain() {
   {
     // The message loop for this thread.
     MessageLoop message_loop(startup_data_->options.message_loop_type);
 
     // Complete the initialization of our Thread object.
     thread_id_ = PlatformThread::CurrentId();
     PlatformThread::SetName(name_.c_str());
     ANNOTATE_THREAD_NAME(name_.c_str());  // Tell the name to race detector.
     message_loop.set_thread_name(name_);
@@ skipping 18 matching lines @@
 
     // We can't receive messages anymore.
     message_loop_ = NULL;
     message_loop_proxy_ = NULL;
   }
   CleanUpAfterMessageLoopDestruction();
   thread_id_ = 0;
 }
 
 }  // namespace base