src/Thread_CPUObserver.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2012 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.
   9 //
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License along
  16 // with this program; if not, write to the Free Software Foundation, Inc.,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 // http://www.gnu.org/licenses/gpl-2.0.txt
  20 ///////////////////////////////////////////////////////////////////////////////
  21
  22 #pragma once
  23
  24 #include <QThread>
  25 #include <QSemaphore>
  26
  27 class CPUObserverThread: public QThread
  28 {
  29         Q_OBJECT
  30
  31 public:
  32         CPUObserverThread(void);
  33         ~CPUObserverThread(void);
  34
  35         void stop(void) { m_semaphore.release(); }
  36
  37 protected:
  38         void run(void);
  39         void observe(void);
  40
  41 signals:
  42         void currentUsageChanged(const double usage);
  43
  44 private:
  45         QSemaphore m_semaphore;
  46         static inline unsigned __int64 filetime2ulonglong(const void *ftime);
  47 };