pthreadthreads.h
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上传日期:2007-06-06
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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #ifndef _PTHREADTHREADS
- #define _PTHREADTHREADS
- #include "UnixThreads.h"
- class HXPthreadCondition;
- //=======================================================================
- //
- // HXPthreadMutex
- // ------------------
- //
- // NOTE: Mutexs must be recursive.
- //=======================================================================
- class HXPthreadMutex : public HXUnixMutex
- {
- public:
- //Ctors and dtors.
- HXPthreadMutex();
- virtual ~HXPthreadMutex();
- friend class HXPthreadCondition;
-
- protected:
- //Must be recursive
- virtual HX_RESULT _Lock();
- virtual HX_RESULT _Unlock();
- virtual HX_RESULT _TryLock();
- //Used by freind class HXCondition for locking.
- pthread_mutex_t* _GetPthreadMutex();
-
- private:
- pthread_mutex_t m_mutex;
- //These are used to simulate recursive mutexes on systems that don't
- //have them.
- #ifndef _MAC_UNIX
- ULONG32 m_ulOwnerThread;
- #else
- pthread_t m_ulOwnerThread;
- #endif
- ULONG32 m_ulLockCount;
- pthread_mutex_t m_mtxLockLock; //A mutex to protect the mutex!
- //Prevent unintentional ctors
- HXPthreadMutex( const HXPthreadMutex& ); //copy ctor
- HXPthreadMutex& operator=(const HXPthreadMutex& ); //assignment operator.
- };
- #ifndef _MAC_UNIX
- struct HXsem_t : public sem_t
- {
- char padding[64]; /* Flawfinder: ignore */ // different linux versions have different binary reps blechhhh!
- };
- //=======================================================================
- //
- // HXPthreadSemaphore
- // ------------------
- //
- //=======================================================================
- class HXPthreadSemaphore : public HXUnixSemaphore
- {
- public:
- //Ctors and dtors.
- HXPthreadSemaphore(UINT32 unInitialCount=0);
- virtual ~HXPthreadSemaphore();
-
- protected:
- virtual HX_RESULT _Post();
- virtual HX_RESULT _Wait();
- virtual HX_RESULT _TryWait();
- virtual HX_RESULT _GetValue(int* pnCount );
- private:
- HXsem_t m_semaphore;
-
- //Prevent unintentional ctors
- HXPthreadSemaphore( const HXPthreadSemaphore& ); //copy ctor
- HXPthreadSemaphore& operator=(const HXPthreadSemaphore& ); //assignment operator.
- };
- #else
- //=======================================================================
- //
- // HXPthreadmacSemaphore
- // ---------------------
- //
- //=======================================================================
- class HXPthreadMacSemaphore : public HXUnixSemaphore
- {
- public:
- //Ctors and dtors.
- HXPthreadMacSemaphore(UINT32 unInitialCount=0);
- virtual ~HXPthreadMacSemaphore();
-
- protected:
- virtual HX_RESULT _Post();
- virtual HX_RESULT _Wait();
- virtual HX_RESULT _TryWait();
- virtual HX_RESULT _GetValue(int* pnCount );
- private:
- sem_t* m_semaphore;
-
- //Prevent unintentional ctors
- HXPthreadMacSemaphore( const HXPthreadMacSemaphore& ); //copy ctor
- HXPthreadMacSemaphore& operator=(const HXPthreadMacSemaphore& ); //assignment operator.
- };
- #endif
- //=======================================================================
- //
- // HXPthreadCondition
- // ----------------------
- //
- //=======================================================================
- class HXPthreadCondition : public HXUnixCondition
- {
- public:
-
- HXPthreadCondition(HXUnixMutex*& pMutex);
- virtual ~HXPthreadCondition();
- protected:
-
- virtual HX_RESULT _Wait();
- virtual HX_RESULT _TimedWait( UINT32 uTimeoutPeriod = ALLFS);
- virtual HX_RESULT _Broadcast();
- virtual HX_RESULT _Signal();
- private:
- HXPthreadMutex* m_pMutex;
- pthread_cond_t m_cond;
- //Protect unintentional ctors
- HXPthreadCondition( const HXPthreadCondition& ); //copy ctor.
- HXPthreadCondition& operator=(const HXPthreadCondition& ); //assignment oper.
- };
- //=======================================================================
- //
- // HXPthreadThread
- // ------------------
- //
- //=======================================================================
- class HXPthreadThread : public HXUnixThread
- {
- public:
- HXPthreadThread();
- virtual ~HXPthreadThread();
- protected:
- //
- // Pure virtuals that implement the OS specific chores.
- //
- virtual HX_RESULT _thread_create( ULONG32& ulThreadID, void*(pfExecFunc(void*)), void* pArg );
- virtual ULONG32 _thread_self();
- virtual void _thread_exit(UINT32 unExitCode);
- virtual void _thread_cancel(ULONG32 ulThreadID);
- virtual ULONG32 _thread_join(ULONG32 ulThreadID);
-
- private:
- //Prevent unintentional ctors
- HXPthreadThread( const HXPthreadThread& ); //copy ctor
- HXPthreadThread& operator=(const HXPthreadThread&); //assignment operator.
- };
- #endif /*_PTHREADTHREADS */