Timeline service protocol support with Observatory UI

runtime/vm/thread.h

 // Copyright (c) 2015, 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 VM_THREAD_H_
 #define VM_THREAD_H_
 
 #include "vm/globals.h"
 #include "vm/handles.h"
 #include "vm/os_thread.h"
@@ skipping 364 matching lines @@
   ThreadId id() const {
     ASSERT(id_ != OSThread::kInvalidThreadId);
     return id_;
   }
 
   ThreadId join_id() const {
     ASSERT(join_id_ != OSThread::kInvalidThreadJoinId);
     return join_id_;
   }
 
+  ThreadId trace_id() const {
+    ASSERT(trace_id_ != OSThread::kInvalidThreadJoinId);
+    return trace_id_;
+  }
+
+  const char* name() const {
+    return name_;
+  }
+
+  void set_name(const char* name) {
+    ASSERT(Thread::Current() == this);
+    ASSERT(name_ == NULL);
+    name_ = name;
+  }
+
   // Used to temporarily disable or enable thread interrupts.
   void DisableThreadInterrupts();
   void EnableThreadInterrupts();
   bool ThreadInterruptsEnabled();
 
 #if defined(DEBUG)
 #define REUSABLE_HANDLE_SCOPE_ACCESSORS(object)                                \
   void set_reusable_##object##_handle_scope_active(bool value) {               \
     reusable_##object##_handle_scope_active_ = value;                          \
   }                                                                            \
@@ skipping 27 matching lines @@
 
   static bool IsThreadInList(ThreadId join_id);
 
  private:
   template<class T> T* AllocateReusableHandle();
 
   static ThreadLocalKey thread_key_;
 
   const ThreadId id_;
   const ThreadId join_id_;
+  const ThreadId trace_id_;
   uintptr_t thread_interrupt_disabled_;
   Isolate* isolate_;
   Heap* heap_;
   State state_;
   Mutex timeline_block_lock_;
   TimelineEventBlock* timeline_block_;
   StoreBufferBlock* store_buffer_block_;
   class Log* log_;
 #define DECLARE_MEMBERS(type_name, member_name, expr, default_init_value)      \
   type_name member_name;
@@ skipping 29 matching lines @@
   CHA* cha_;
   intptr_t deopt_id_;  // Compilation specific counter.
   uword vm_tag_;
   RawGrowableObjectArray* pending_functions_;
 
   int32_t no_callback_scope_depth_;
 
   // All |Thread|s are registered in the thread list.
   Thread* thread_list_next_;
 
+  // A name for this thread.
+  const char* name_;
+
   static Thread* thread_list_head_;
   static Mutex* thread_list_lock_;
 
   static void AddThreadToList(Thread* thread);
   static void RemoveThreadFromList(Thread* thread);
 
   explicit Thread(bool init_vm_constants = true);
 
   void InitVMConstants();
 
@@ skipping 59 matching lines @@
 // Disable thread interrupts.
 class DisableThreadInterruptsScope : public StackResource {
  public:
   explicit DisableThreadInterruptsScope(Thread* thread);
   ~DisableThreadInterruptsScope();
 };
 
 }  // namespace dart
 
 #endif  // VM_THREAD_H_