blob: 0a4ee3fbc84d1ff48cb7977ef1c4938f5a4717b6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/* -*- 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: */
|
