www.pudn.com > MP3CORD.rar > beosthread.h

/*____________________________________________________________________________ 
	 
	FreeAmp - The Free MP3 Player 
 
	Portions Copyright (C) 1998-1999 EMusic.com 
 
	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. 
	 
	$Id: beosthread.h,v 1.4 1999/10/23 08:26:38 hiro Exp $ 
____________________________________________________________________________*/ 
 
#ifndef INCLUDED_BEOS_THREAD_H 
#define INCLUDED_BEOS_THREAD_H 
 
#include  
#include  
#include "thread.h" 
 
#include "mutex.h" 
 
class beosThread : public Thread 
{ 
public: 
						beosThread(); 
	virtual				~beosThread(); 
 
	virtual bool		Create(thread_function function, void* arg); 
	virtual void		Destroy(); 
	virtual void		Suspend(); 
	virtual void		Resume(); 
	virtual void		Join(); 
	virtual uint32      GetPriority( void ) const; 
	virtual uint32      SetPriority( uint32 priority ); 
	virtual void		DumpThreadInfo( void ) const; 
 
	static int32		internalThreadFunction(void *); 
	void *				InternalThreadFunction(); 
 
protected: 
	bool				Lock( void ); 
	void				Unlock( void ); 
 
private: 
	uint32              m_priority; 
	thread_id			m_threadHandle; 
	unsigned			m_threadId; 
	bool				m_suspended; 
	BLocker				m_lock; 
	thread_function		m_function; 
	void *				m_arg; 
}; 
 
// Inline functions 
 
inline bool 
beosThread::Lock( void ) 
{ 
	return m_lock.Lock(); 
} 
 
inline void 
beosThread::Unlock( void ) 
{ 
	Unlock(); 
} 
 
// Utility functions. 
 
inline 
int32 
beos_priority( uint32 freeamp_prio ) 
{ 
#if 0 
	switch ( freeamp_prio ) { 
	case Idle: 
		return B_NORMAL_PRIORITY; 
		break; 
	case Low: 
		return B_NORMAL_PRIORITY; 
		break; 
	case BelowNormal: 
		return B_NORMAL_PRIORITY; 
		break; 
	case Normal: 
		return B_NORMAL_PRIORITY; 
		break; 
	case AboveNormal: 
		return B_NORMAL_PRIORITY; 
		break; 
	case High: 
		return B_NORMAL_PRIORITY; 
		break; 
	case Critical: 
		return B_NORMAL_PRIORITY; 
		break; 
	default: 
		return B_NORMAL_PRIORITY; 
		break; 
	} 
#endif 
	return B_NORMAL_PRIORITY; 
} 
 
#endif /* _BEOS_THREAD_H */