Cleanup Semaphore class.

src/log.cc

 // Copyright 2011 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 538 matching lines @@
   // Inserts collected profiling data into buffer.
   void Insert(TickSample* sample) {
     if (paused_)
       return;
 
     if (Succ(head_) == tail_) {
       overflow_ = true;
     } else {
       buffer_[head_] = *sample;
       head_ = Succ(head_);
-      buffer_semaphore_->Signal();  // Tell we have an element.
+      buffer_semaphore_.Signal();  // Tell we have an element.
     }
   }
 
   virtual void Run();
 
   // Pause and Resume TickSample data collection.
   void pause() { paused_ = true; }
   void resume() { paused_ = false; }
 
  private:
   // Waits for a signal and removes profiling data.
   bool Remove(TickSample* sample) {
-    buffer_semaphore_->Wait();  // Wait for an element.
+    buffer_semaphore_.Wait();  // Wait for an element.
     *sample = buffer_[tail_];
     bool result = overflow_;
     tail_ = Succ(tail_);
     overflow_ = false;
     return result;
   }
 
   // Returns the next index in the cyclic buffer.
   int Succ(int index) { return (index + 1) % kBufferSize; }
 
   Isolate* isolate_;
   // Cyclic buffer for communicating profiling samples
   // between the signal handler and the worker thread.
   static const int kBufferSize = 128;
   TickSample buffer_[kBufferSize];  // Buffer storage.
   int head_;  // Index to the buffer head.
   int tail_;  // Index to the buffer tail.
   bool overflow_;  // Tell whether a buffer overflow has occurred.
   // Sempahore used for buffer synchronization.
-  SmartPointer<Semaphore> buffer_semaphore_;
+  Semaphore buffer_semaphore_;
 
   // Tells whether profiler is engaged, that is, processing thread is stated.
   bool engaged_;
 
   // Tells whether worker thread should continue running.
   bool running_;
 
   // Tells whether we are currently recording tick samples.
   bool paused_;
 };
@@ skipping 35 matching lines @@
 
 //
 // Profiler implementation.
 //
 Profiler::Profiler(Isolate* isolate)
     : Thread("v8:Profiler"),
       isolate_(isolate),
       head_(0),
       tail_(0),
       overflow_(false),
-      buffer_semaphore_(OS::CreateSemaphore(0)),
+      buffer_semaphore_(0),
       engaged_(false),
       running_(false),
       paused_(false) {
 }
 
 
 void Profiler::Engage() {
   if (engaged_) return;
   engaged_ = true;
 
@@ skipping 1247 matching lines @@
   if (jit_logger_) {
     removeCodeEventListener(jit_logger_);
     delete jit_logger_;
     jit_logger_ = NULL;
   }
 
   return log_->Close();
 }
 
 } }  // namespace v8::internal