Sampling profiler

runtime/platform/thread_win.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_WIN_H_
 #define PLATFORM_THREAD_WIN_H_
 
 #if !defined(PLATFORM_THREAD_H_)
 #error Do not include thread_win.h directly; use thread.h instead.
 #endif
 
 #include "platform/assert.h"
 #include "platform/globals.h"
 
 namespace dart {
 
 typedef DWORD ThreadLocalKey;
+typedef HANDLE ThreadId;
+
 
 class ThreadInlineImpl {
  private:
   ThreadInlineImpl() {}
   ~ThreadInlineImpl() {}
 
+  static ThreadLocalKey thread_id_key;
+  static ThreadId CreateThreadId();
+  static void DestroyThreadId(ThreadId);
   static uword GetThreadLocal(ThreadLocalKey key) {
     static ThreadLocalKey kUnsetThreadLocalKey = TLS_OUT_OF_INDEXES;
     ASSERT(key != kUnsetThreadLocalKey);
     return reinterpret_cast<uword>(TlsGetValue(key));
   }
 
   friend class Thread;
+  friend class OS;
+  friend unsigned int __stdcall ThreadEntry(void* data_ptr);
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(ThreadInlineImpl);
 };
 
 
 class MutexData {
  private:
   MutexData() {}
   ~MutexData() {}
@@ skipping 22 matching lines @@
   // for a given thread.
   static ThreadLocalKey monitor_wait_data_key_;
 
   // Auto-reset event used for waiting.
   HANDLE event_;
   // Link to next element in the singly-linked list of waiters.
   MonitorWaitData* next_;
 
   friend class Monitor;
   friend class MonitorData;
+  friend class OS;
+
 
   DISALLOW_COPY_AND_ASSIGN(MonitorWaitData);
 };
 
 
 class MonitorData {
  private:
   MonitorData() {}
   ~MonitorData() {}
 
   // Helper methods to manipulate the list of waiters for this
   // monitor.
   void AddWaiter(MonitorWaitData* wait_data);
   void RemoveWaiter(MonitorWaitData* wait_data);
   void SignalAndRemoveFirstWaiter();
   void SignalAndRemoveAllWaiters();
-  MonitorWaitData* GetMonitorWaitDataForThread();
+  static MonitorWaitData* GetMonitorWaitDataForThread();
 
   // The external critical section for the monitor.
   CRITICAL_SECTION cs_;
 
   // Condition variables are only available since Windows Vista. To
   // support at least Windows XP, we implement our own condition
   // variables using SetEvent on Event objects.
 
   // Singly-linked list of event objects, one for each thread waiting
   // on this monitor. New waiters are added at the end of the list.
   // Notify signals the first element of the list (FIFO
   // order). NotifyAll, signals all the elements of the list.
   CRITICAL_SECTION waiters_cs_;
   MonitorWaitData* waiters_head_;
   MonitorWaitData* waiters_tail_;
 
   friend class Monitor;
+  friend class OS;
+  friend unsigned int __stdcall ThreadEntry(void* data_ptr);
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(MonitorData);
 };
 
 }  // namespace dart
 
 #endif  // PLATFORM_THREAD_WIN_H_