tools/profiler/SyncProfile.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef __SYNCPROFILE_H
   8 #define __SYNCPROFILE_H
   9
  10 #include "ProfileEntry.h"
  11
  12 struct LinkedUWTBuffer;
  13
  14 class SyncProfile : public ThreadProfile
  15 {
  16 public:
  17   SyncProfile(ThreadInfo* aInfo, int aEntrySize);
  18   ~SyncProfile();
  19
  20   bool SetUWTBuffer(LinkedUWTBuffer* aBuff);
  21   LinkedUWTBuffer* GetUWTBuffer() { return mUtb; }
  22
  23   virtual void EndUnwind();
  24   virtual SyncProfile* AsSyncProfile() { return this; }
  25
  26 private:
  27   friend class ProfilerBacktrace;
  28
  29   enum OwnerState
  30   {
  31     REFERENCED,       // ProfilerBacktrace has a pointer to this but doesn't own
  32     OWNED,            // ProfilerBacktrace is responsible for destroying this
  33     OWNER_DESTROYING, // ProfilerBacktrace owns this and is destroying
  34     ORPHANED          // No owner, we must destroy ourselves
  35   };
  36
  37   bool ShouldDestroy();
  38
  39   OwnerState        mOwnerState;
  40   LinkedUWTBuffer*  mUtb;
  41 };
  42
  43 #endif // __SYNCPROFILE_H
  44