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/*
Copyright (C) 2001 Paul Davis
Copyright (C) 2004-2006 Grame
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
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __JackThread__
#define __JackThread__
#ifdef WIN32
#include <windows.h>
typedef HANDLE pthread_t;
typedef ULONGLONG UInt64;
#else
#include <pthread.h>
typedef unsigned long long UInt64;
#endif
namespace Jack
{
/*!
\brief The base class for runnable objects, that have an <B> Init </B> and <B> Execute </B> method to be called in a thread.
*/
class JackRunnableInterface
{
public:
JackRunnableInterface()
{}
virtual ~JackRunnableInterface()
{}
virtual bool Init() /*! Called once when the thread is started */
{
return true;
}
virtual bool Execute() = 0; /*! Must be implemented by subclasses */
};
/*!
\brief The thread base class.
*/
class JackThread
{
protected:
JackRunnableInterface* fRunnable;
int fPriority;
bool fRealTime;
volatile bool fRunning;
int fCancellation;
public:
JackThread(JackRunnableInterface* runnable, int priority, bool real_time, int cancellation):
fRunnable(runnable), fPriority(priority), fRealTime(real_time), fRunning(false), fCancellation(cancellation)
{}
virtual ~JackThread()
{}
virtual int Start() = 0;
virtual int StartSync() = 0;
virtual int Kill() = 0;
virtual int Stop() = 0;
virtual int AcquireRealTime() = 0;
virtual int AcquireRealTime(int priority) = 0;
virtual int DropRealTime() = 0;
virtual void SetParams(UInt64 period, UInt64 computation, UInt64 constraint) // Empty implementation, will only make sense on OSX...
{}
virtual pthread_t GetThreadID() = 0;
};
} // end of namespace
#endif
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