Simplify implementation of Mutex.

src/debug-agent.cc

 // Copyright 2012 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 88 matching lines @@
 
 
 void DebuggerAgent::WaitUntilListening() {
   listening_->Wait();
 }
 
 static const char* kCreateSessionMessage =
     "Remote debugging session already active\r\n";
 
 void DebuggerAgent::CreateSession(Socket* client) {
-  ScopedLock with(session_access_);
+  ScopedLock with(&session_access_);
 
   // If another session is already established terminate this one.
   if (session_ != NULL) {
     client->Send(kCreateSessionMessage, StrLength(kCreateSessionMessage));
     delete client;
     return;
   }
 
   // Create a new session and hook up the debug message handler.
   session_ = new DebuggerAgentSession(this, client);
   isolate_->debugger()->SetMessageHandler(DebuggerAgentMessageHandler);
   session_->Start();
 }
 
 
 void DebuggerAgent::CloseSession() {
-  ScopedLock with(session_access_);
+  ScopedLock with(&session_access_);
 
   // Terminate the session.
   if (session_ != NULL) {
     session_->Shutdown();
     session_->Join();
     delete session_;
     session_ = NULL;
   }
 }
 
 
 void DebuggerAgent::DebuggerMessage(const v8::Debug::Message& message) {
-  ScopedLock with(session_access_);
+  ScopedLock with(&session_access_);
 
   // Forward the message handling to the session.
   if (session_ != NULL) {
     v8::String::Value val(message.GetJSON());
     session_->DebuggerMessage(Vector<uint16_t>(const_cast<uint16_t*>(*val),
                               val.length()));
   }
 }
 
 
 void DebuggerAgent::OnSessionClosed(DebuggerAgentSession* session) {
   // Don't do anything during termination.
   if (terminate_) {
     return;
   }
 
   // Terminate the session.
-  ScopedLock with(session_access_);
+  ScopedLock with(&session_access_);
   ASSERT(session == session_);
   if (session == session_) {
     session_->Shutdown();
     delete session_;
     session_ = NULL;
   }
 }
 
 
 void DebuggerAgentSession::Run() {
@@ skipping 285 matching lines @@
       return total_received;
     }
     total_received += received;
   }
   return total_received;
 }
 
 } }  // namespace v8::internal
 
 #endif  // ENABLE_DEBUGGER_SUPPORT