vcl/inc/schedulerimpl.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_VCL_INC_SCHEDULERIMPL_HXX
  21 #define INCLUDED_VCL_INC_SCHEDULERIMPL_HXX
  22
  23 #include "salwtype.hxx"
  24 #include <osl/mutex.hxx>
  25 #include <vcl/scheduler.hxx>
  26
  27 class Task;
  28
  29 // Internal scheduler record holding intrusive linked list pieces
  30 struct ImplSchedulerData final
  31 {
  32     ImplSchedulerData* mpNext;        ///< Pointer to the next element in list
  33     Task*              mpTask;        ///< Pointer to VCL Task instance
  34     bool               mbInScheduler; ///< Task currently processed?
  35     sal_uInt64         mnUpdateTime;  ///< Last Update Time
  36
  37     const char *GetDebugName() const;
  38 };
  39
  40 class SchedulerMutex final
  41 {
  42     sal_uInt32          mnLockDepth;
  43     osl::Mutex          maMutex;
  44
  45 public:
  46     SchedulerMutex() : mnLockDepth( 0 ) {}
  47
  48     void acquire( sal_uInt32 nLockCount = 1 );
  49     sal_uInt32 release( bool bUnlockAll = false );
  50     sal_uInt32 lockDepth() const { return mnLockDepth; }
  51 };
  52
  53 class SchedulerGuard final
  54 {
  55 public:
  56     SchedulerGuard()
  57     {
  58         Scheduler::Lock();
  59     }
  60
  61     ~SchedulerGuard()
  62     {
  63         Scheduler::Unlock();
  64     }
  65 };
  66
  67 #endif // INCLUDED_VCL_INC_SCHEDULERIMPL_HXX
  68
  69 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */