///////////////////////////////////////////////////////////////////////////////
// LameXP - Audio Encoder Front-End
-// Copyright (C) 2004-2011 LoRd_MuldeR <MuldeR2@GMX.de>
+// Copyright (C) 2004-2020 LoRd_MuldeR <MuldeR2@GMX.de>
//
// This program is free software; you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
+// it under the terms of the GNU GENERAL PUBLIC LICENSE as published by
// the Free Software Foundation; either version 2 of the License, or
-// (at your option) any later version.
+// (at your option) any later version; always including the non-optional
+// LAMEXP GNU GENERAL PUBLIC LICENSE ADDENDUM. See "License.txt" file!
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// http://www.gnu.org/licenses/gpl-2.0.txt
///////////////////////////////////////////////////////////////////////////////
+//Internal
#include "Thread_CPUObserver.h"
#include "Global.h"
+//MUtils
+#include <MUtils/OSSupport.h>
+#include <MUtils/Exception.h>
+
+//Qt
#include <QDir>
-#include <QLibrary>
-typedef BOOL (WINAPI *GetSystemTimesPtr)(LPFILETIME lpIdleTime, LPFILETIME lpKernelTime, LPFILETIME lpUserTime);
+//Windows includes
+#define NOMINMAX
+#define WIN32_LEAN_AND_MEAN
+#include <Windows.h>
////////////////////////////////////////////////////////////
// Constructor & Destructor
CPUObserverThread::CPUObserverThread(void)
{
- m_terminated = false;
}
CPUObserverThread::~CPUObserverThread(void)
void CPUObserverThread::run(void)
{
qDebug("CPU observer started!");
- m_terminated = false;
try
{
observe();
}
+ catch(const std::exception &error)
+ {
+ MUTILS_PRINT_ERROR("\nGURU MEDITATION !!!\n\nException error:\n%s\n", error.what());
+ MUtils::OS::fatal_exit(L"Unhandeled C++ exception error, application will exit!");
+ }
catch(...)
{
- fflush(stdout);
- fflush(stderr);
- fprintf(stderr, "\nGURU MEDITATION !!!\n");
- FatalAppExit(0, L"Unhandeled exception error, application will exit!");
- TerminateProcess(GetCurrentProcess(), -1);
+ MUTILS_PRINT_ERROR("\nGURU MEDITATION !!!\n\nUnknown exception error!\n");
+ MUtils::OS::fatal_exit(L"Unhandeled C++ exception error, application will exit!");
}
+
+ while(m_semaphore.available()) m_semaphore.tryAcquire();
}
ULONGLONG CPUObserverThread::filetime2ulonglong(const void *ftime)
void CPUObserverThread::observe(void)
{
- QLibrary kernel32("kernel32.dll");
- GetSystemTimesPtr getSystemTimes = NULL;
+ bool first = true;
+ double previous = -1.0;
+ FILETIME sysTime, usrTime, idlTime;
+ ULONGLONG sys[2], usr[2], idl[2];
- if(kernel32.load())
+ for(size_t i = 0; i < 2; i++)
{
- getSystemTimes = reinterpret_cast<GetSystemTimesPtr>(kernel32.resolve("GetSystemTimes"));
+ sys[i] = 0; usr[i] = 0; idl[i] = 0;
}
- if(getSystemTimes != NULL)
+ forever
{
- bool first = true;
- double previous = -1.0;
- FILETIME sysTime, usrTime, idlTime;
- ULONGLONG sys[2], usr[2], idl[2];
-
- for(size_t i = 0; i < 2; i++)
+ if(GetSystemTimes(&idlTime, &sysTime, &usrTime))
{
- sys[i] = 0; usr[i] = 0; idl[i] = 0;
- }
+ sys[1] = sys[0]; sys[0] = filetime2ulonglong(&sysTime);
+ usr[1] = usr[0]; usr[0] = filetime2ulonglong(&usrTime);
+ idl[1] = idl[0]; idl[0] = filetime2ulonglong(&idlTime);
- while(!m_terminated)
- {
- if(getSystemTimes(&idlTime, &sysTime, &usrTime))
+ if(first)
{
- sys[1] = sys[0]; sys[0] = filetime2ulonglong(&sysTime);
- usr[1] = usr[0]; usr[0] = filetime2ulonglong(&usrTime);
- idl[1] = idl[0]; idl[0] = filetime2ulonglong(&idlTime);
-
- if(first)
- {
- first = false;
- emit currentUsageChanged(1.0);
- msleep(250);
- continue;
- }
+ first = false;
+ emit currentUsageChanged(1.0);
+ msleep(250);
+ continue;
+ }
- ULONGLONG timeIdl = (idl[0] - idl[1]); //Idle time only
- ULONGLONG timeSys = (sys[0] - sys[1]); //Kernel mode time (incl. Idle time!)
- ULONGLONG timeUsr = (usr[0] - usr[1]); //User mode time only
+ ULONGLONG timeIdl = (idl[0] - idl[1]); //Idle time only
+ ULONGLONG timeSys = (sys[0] - sys[1]); //Kernel mode time (incl. Idle time!)
+ ULONGLONG timeUsr = (usr[0] - usr[1]); //User mode time only
- ULONGLONG timeSum = timeUsr + timeSys; //Overall CPU time that has elapsed
- ULONGLONG timeWrk = timeSum - timeIdl; //Time the CPU spent working
+ ULONGLONG timeSum = timeUsr + timeSys; //Overall CPU time that has elapsed
+ ULONGLONG timeWrk = timeSum - timeIdl; //Time the CPU spent working
- if(timeSum > 0)
+ if(timeSum > 0)
+ {
+ double current = static_cast<double>(timeWrk) / static_cast<double>(timeSum);
+ if(current != previous)
{
- double current = static_cast<double>(timeWrk) / static_cast<double>(timeSum);
- if(current != previous)
- {
- emit currentUsageChanged(current);
- previous = current;
- }
+ emit currentUsageChanged(current);
+ previous = current;
}
}
- msleep(1000);
}
- }
- else
- {
- qWarning("GetSystemTimes() ist not available on this system!");
+
+ if(m_semaphore.tryAcquire(1, 2000)) break;
}
}
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