Added labelled thread names to help with some debugging activity. Right now,...

src/debug-agent.h

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 26 matching lines @@
 
 // Forward decelrations.
 class DebuggerAgentSession;
 
 
 // Debugger agent which starts a socket listener on the debugger port and
 // handles connection from a remote debugger.
 class DebuggerAgent: public Thread {
  public:
   explicit DebuggerAgent(const char* name, int port)
-      : name_(StrDup(name)), port_(port),
+      :
+#ifdef DEBUG_THREAD_NAMES
+        Thread(name),
+#endif
+        name_(StrDup(name)), port_(port),
         server_(OS::CreateSocket()), terminate_(false),
         session_access_(OS::CreateMutex()), session_(NULL),
         terminate_now_(OS::CreateSemaphore(0)),
         listening_(OS::CreateSemaphore(0)) {
     ASSERT(instance_ == NULL);
     instance_ = this;
   }
   ~DebuggerAgent() {
      instance_ = NULL;
      delete server_;
@@ skipping 25 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(DebuggerAgent);
 };
 
 
 // Debugger agent session. The session receives requests from the remote
 // debugger and sends debugger events/responses to the remote debugger.
 class DebuggerAgentSession: public Thread {
  public:
   DebuggerAgentSession(DebuggerAgent* agent, Socket* client)
-      : agent_(agent), client_(client) {}
+      :
+#ifdef DEBUG_THREAD_NAMES
+        Thread("v8:DbgAgntSessn"),
+#endif
+        agent_(agent), client_(client) {}
 
   void DebuggerMessage(Vector<uint16_t> message);
   void Shutdown();
 
  private:
   void Run();
 
   void DebuggerMessage(Vector<char> message);
 
   DebuggerAgent* agent_;
@@ skipping 16 matching lines @@
   static bool SendMessage(const Socket* conn,
                           const v8::Handle<v8::String> message);
   static int ReceiveAll(const Socket* conn, char* data, int len);
 };
 
 } }  // namespace v8::internal
 
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 #endif  // V8_DEBUG_AGENT_H_