Cleanup Semaphore class.

src/d8-debug.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 183 matching lines @@
   receiver.Start();
 
   // Start the keyboard thread.
   KeyboardThread keyboard(this);
   keyboard.Start();
   PrintPrompt();
 
   // Process events received from debugged VM and from the keyboard.
   bool terminate = false;
   while (!terminate) {
-    event_available_->Wait();
+    event_available_.Wait();
     RemoteDebuggerEvent* event = GetEvent();
     switch (event->type()) {
       case RemoteDebuggerEvent::kMessage:
         HandleMessageReceived(event->data());
         break;
       case RemoteDebuggerEvent::kKeyboard:
         HandleKeyboardCommand(event->data());
         break;
       case RemoteDebuggerEvent::kDisconnect:
         terminate = true;
@@ skipping 36 matching lines @@
   i::LockGuard<i::Mutex> lock_guard(&event_access_);
   if (head_ == NULL) {
     ASSERT(tail_ == NULL);
     head_ = event;
     tail_ = event;
   } else {
     ASSERT(tail_ != NULL);
     tail_->set_next(event);
     tail_ = event;
   }
-  event_available_->Signal();
+  event_available_.Signal();
 }
 
 
 RemoteDebuggerEvent* RemoteDebugger::GetEvent() {
   i::LockGuard<i::Mutex> lock_guard(&event_access_);
   ASSERT(head_ != NULL);
   RemoteDebuggerEvent* result = head_;
   head_ = head_->next();
   if (head_ == NULL) {
     ASSERT(tail_ == result);
@@ skipping 93 matching lines @@
     // Pass the keyboard command to the main thread.
     remote_debugger_->KeyboardCommand(
         i::SmartArrayPointer<char>(i::StrDup(command)));
   }
 }
 
 
 }  // namespace v8
 
 #endif  // ENABLE_DEBUGGER_SUPPORT