cec: fixed return value of StopThread()

[deb_libcec.git] / src / lib / util / threads.h

#pragma once
/*
 * This file is part of the libCEC(R) library.
 *
 * libCEC(R) is Copyright (C) 2011 Pulse-Eight Limited.  All rights reserved.
 * libCEC(R) is an original work, containing original code.
 *
 * libCEC(R) is a trademark of Pulse-Eight Limited.
 *
 * This program is dual-licensed; you can redistribute it and/or modify
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 *
 * Alternatively, you can license this library under a commercial license,
 * please contact Pulse-Eight Licensing for more information.
 *
 * For more information contact:
 * Pulse-Eight Licensing       <license@pulse-eight.com>
 *     http://www.pulse-eight.com/
 *     http://www.pulse-eight.net/
 */

#include "../libPlatform/os-dependent.h"

class CMutex;

class CCondition
{
public:
  CCondition(void);
  virtual ~CCondition(void);

  void Signal(void);
  bool Wait(CMutex *mutex, int64_t iTimeout);
  static void Sleep(int iTimeout);

private:
  pthread_cond_t  m_cond;
};

class CMutex
{
public:
  CMutex(void);
  virtual ~CMutex(void);

  bool TryLock(void);
  bool Lock(void);
  void Unlock(void);

  pthread_mutex_t m_mutex;
};

class CLockObject
{
public:
  CLockObject(CMutex *mutex);
  ~CLockObject(void);

  bool IsLocked(void) const { return m_bLocked; }
  void Leave(void);
  void Lock(void);

private:
  CMutex *m_mutex;
  bool    m_bLocked;
};

class CThread
{
public:
  CThread(void);
  virtual ~CThread(void);

  virtual bool IsRunning(void) const { return m_bRunning; }
  virtual bool CreateThread(void);
  virtual void StopThread(bool bWaitForExit = true);

  static void *ThreadHandler(CThread *thread);
  virtual void *Process(void) = 0;

protected:
  pthread_t m_thread;
  bool      m_bRunning;
  bool      m_bStop;
};