63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/*
|
|
* This file is part of the LibreOffice project.
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <sal/types.h>
|
|
#include <rtl/strbuf.hxx>
|
|
#include <vcl/timer.hxx>
|
|
|
|
#include <memory>
|
|
#include <mutex>
|
|
#include <chrono>
|
|
#include <o3tl/sorted_vector.hxx>
|
|
|
|
namespace vcl::graphic
|
|
{
|
|
class MemoryManaged;
|
|
|
|
class VCL_DLLPUBLIC MemoryManager final
|
|
{
|
|
private:
|
|
o3tl::sorted_vector<MemoryManaged*> maObjectList;
|
|
sal_Int64 mnTotalSize = 0;
|
|
std::mutex maMutex; // instead of SolarMutex because graphics can live past vcl main
|
|
|
|
std::chrono::seconds mnAllowedIdleTime = std::chrono::seconds(1);
|
|
bool mbSwapEnabled = true;
|
|
bool mbReducingGraphicMemory = false;
|
|
sal_Int64 mnMemoryLimit = 10'000'000;
|
|
Timer maSwapOutTimer;
|
|
sal_Int32 mnTimeout = 1'000;
|
|
sal_Int64 mnSmallFrySize = 100'000;
|
|
|
|
DECL_LINK(ReduceMemoryTimerHandler, Timer*, void);
|
|
|
|
public:
|
|
MemoryManager();
|
|
void registerObject(MemoryManaged* pObject);
|
|
void unregisterObject(MemoryManaged* pObject);
|
|
void changeExisting(MemoryManaged* pObject, sal_Int64 nNewSize);
|
|
|
|
void swappedIn(MemoryManaged* pObject, sal_Int64 nNewSize);
|
|
void swappedOut(MemoryManaged* pObject, sal_Int64 nNewSize);
|
|
|
|
static MemoryManager& get();
|
|
o3tl::sorted_vector<MemoryManaged*> const& getManagedObjects() { return maObjectList; }
|
|
sal_Int64 getTotalSize() { return mnTotalSize; }
|
|
|
|
void reduceMemory(std::unique_lock<std::mutex>& rGuard, bool bDropAll = false);
|
|
void loopAndReduceMemory(std::unique_lock<std::mutex>& rGuard, bool bDropAll = false);
|
|
void reduceAllAndNow();
|
|
void dumpState(rtl::OStringBuffer& rState);
|
|
};
|
|
|
|
} // end namespace vcl::graphic
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|