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[LameXP.git] / src / Thread_RAMObserver.cpp
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1 ///////////////////////////////////////////////////////////////////////////////
2 // LameXP - Audio Encoder Front-End
3 // Copyright (C) 2004-2021 LoRd_MuldeR <MuldeR2@GMX.de>
4 //
5 // This program is free software; you can redistribute it and/or modify
6 // it under the terms of the GNU GENERAL PUBLIC LICENSE as published by
7 // the Free Software Foundation; either version 2 of the License, or
8 // (at your option) any later version; always including the non-optional
9 // LAMEXP GNU GENERAL PUBLIC LICENSE ADDENDUM. See "License.txt" file!
11 // This program is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this program; if not, write to the Free Software Foundation, Inc.,
18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 // http://www.gnu.org/licenses/gpl-2.0.txt
21 ///////////////////////////////////////////////////////////////////////////////
23 #include "Thread_RAMObserver.h"
24 #include "Global.h"
26 //MUtils
27 #include <MUtils/OSSupport.h>
28 #include <MUtils/Exception.h>
30 //Qt
31 #include <QDir>
33 //Windows includes
34 #define NOMINMAX
35 #define WIN32_LEAN_AND_MEAN
36 #include <Windows.h>
38 ////////////////////////////////////////////////////////////
39 // Constructor & Destructor
40 ////////////////////////////////////////////////////////////
42 RAMObserverThread::RAMObserverThread(void)
46 RAMObserverThread::~RAMObserverThread(void)
50 ////////////////////////////////////////////////////////////
51 // Protected functions
52 ////////////////////////////////////////////////////////////
54 void RAMObserverThread::run(void)
56 qDebug("RAM observer started!");
58 try
60 observe();
62 catch(const std::exception &error)
64 MUTILS_PRINT_ERROR("\nGURU MEDITATION !!!\n\nException error:\n%s\n", error.what());
65 MUtils::OS::fatal_exit(L"Unhandeled C++ exception error, application will exit!");
67 catch(...)
69 MUTILS_PRINT_ERROR("\nGURU MEDITATION !!!\n\nUnknown exception error!\n");
70 MUtils::OS::fatal_exit(L"Unhandeled C++ exception error, application will exit!");
73 while(m_semaphore.available()) m_semaphore.tryAcquire();
76 void RAMObserverThread::observe(void)
78 MEMORYSTATUSEX memoryStatus;
79 double previous = -1.0;
81 forever
83 memset(&memoryStatus, 0, sizeof(MEMORYSTATUSEX));
84 memoryStatus.dwLength = sizeof(MEMORYSTATUSEX);
86 if(GlobalMemoryStatusEx(&memoryStatus))
88 double current = static_cast<double>(memoryStatus.dwMemoryLoad) / 100.0;
89 if(current != previous)
91 emit currentUsageChanged(current);
92 previous = current;
95 if(m_semaphore.tryAcquire(1, 2000)) break;
99 ////////////////////////////////////////////////////////////
100 // SLOTS
101 ////////////////////////////////////////////////////////////
103 /*NONE*/
105 ////////////////////////////////////////////////////////////
106 // EVENTS
107 ////////////////////////////////////////////////////////////
109 /*NONE*/