Profiler Take 2

runtime/platform/thread.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef PLATFORM_THREAD_H_
 #define PLATFORM_THREAD_H_
 
 #include "platform/globals.h"
 
 // Declare the OS-specific types ahead of defining the generic classes.
 #if defined(TARGET_OS_ANDROID)
 #include "platform/thread_android.h"
 #elif defined(TARGET_OS_LINUX)
 #include "platform/thread_linux.h"
 #elif defined(TARGET_OS_MACOS)
 #include "platform/thread_macos.h"
 #elif defined(TARGET_OS_WINDOWS)
 #include "platform/thread_win.h"
 #else
 #error Unknown target os.
 #endif
 
 namespace dart {
 
 class Thread {
  public:
   static ThreadLocalKey kUnsetThreadLocalKey;
+  static ThreadId kInvalidThreadId;
 
   typedef void (*ThreadStartFunction) (uword parameter);
 
   // Start a thread running the specified function. Returns 0 if the
   // thread started successfuly and a system specific error code if
   // the thread failed to start.
   static int Start(ThreadStartFunction function, uword parameters);
 
   static ThreadLocalKey CreateThreadLocal();
   static void DeleteThreadLocal(ThreadLocalKey key);
   static uword GetThreadLocal(ThreadLocalKey key) {
     return ThreadInlineImpl::GetThreadLocal(key);
   }
   static void SetThreadLocal(ThreadLocalKey key, uword value);
   static intptr_t GetMaxStackSize();
   static ThreadId GetCurrentThreadId();
+  static intptr_t ThreadIdToIntPtr(ThreadId id);
+  static bool Compare(ThreadId a, ThreadId b);
   static void GetThreadCpuUsage(ThreadId thread_id, int64_t* cpu_usage);
 };
 
 
 class Mutex {
  public:
   Mutex();
   ~Mutex();
 
   void Lock();
@@ skipping 30 matching lines @@
   void Notify();
   void NotifyAll();
 
  private:
   MonitorData data_;  // OS-specific data.
 
   DISALLOW_COPY_AND_ASSIGN(Monitor);
 };
 
 
-class ScopedMutex {
- public:
-  explicit ScopedMutex(Mutex* mutex) : mutex_(mutex) {
-    ASSERT(mutex_ != NULL);
-    mutex_->Lock();
-  }
-
-  ~ScopedMutex() {
-    mutex_->Unlock();
-  }
-
- private:
-  Mutex* const mutex_;
-
-  DISALLOW_COPY_AND_ASSIGN(ScopedMutex);
-};
-
-
-class ScopedMonitor {
- public:
-  explicit ScopedMonitor(Monitor* monitor) : monitor_(monitor) {
-    ASSERT(monitor_ != NULL);
-    monitor_->Enter();
-  }
-
-  ~ScopedMonitor() {
-    monitor_->Exit();
-  }
-
-  Monitor::WaitResult Wait(int64_t millis = dart::Monitor::kNoTimeout) {
-    return monitor_->Wait(millis);
-  }
-
-  Monitor::WaitResult WaitMicros(int64_t micros = dart::Monitor::kNoTimeout) {
-    return monitor_->WaitMicros(micros);
-  }
-
-  void Notify() {
-    monitor_->Notify();
-  }
-
-  void NotifyAll() {
-    monitor_->NotifyAll();
-  }
-
- private:
-  Monitor* const monitor_;
-
-  DISALLOW_COPY_AND_ASSIGN(ScopedMonitor);
-};
-
-
 }  // namespace dart
 
 
 #endif  // PLATFORM_THREAD_H_