123 lines
3.0 KiB
C++
123 lines
3.0 KiB
C++
#ifndef THREADS_PTHREADS_H
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#define THREADS_PTHREADS_H
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#include "Threads.h"
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#include <pthread.h>
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#include <semaphore.h>
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class ThreadImpl_Pthreads: public ThreadImpl
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{
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public:
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pthread_t thread;
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/* Linux:
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* Keep a list of child PIDs, so we can send them SIGKILL. This has an
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* added bonus: if this is corrupted, we'll just send signals and they'll
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* fail; we won't blow up (unless we're root).
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*/
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uint64_t threadHandle;
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/* These are only used during initialization. */
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int (*m_pFunc)( void *pData );
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void *m_pData;
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uint64_t *m_piThreadID;
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SemaImpl *m_StartFinishedSem;
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void Halt( bool Kill );
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void Resume();
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uint64_t GetThreadId() const;
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int Wait();
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};
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class MutexImpl_Pthreads: public MutexImpl
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{
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friend class EventImpl_Pthreads;
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public:
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MutexImpl_Pthreads( RageMutex *parent );
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~MutexImpl_Pthreads();
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bool Lock();
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bool TryLock();
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void Unlock();
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protected:
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pthread_mutex_t mutex;
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};
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class EventImpl_Pthreads: public EventImpl
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{
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public:
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EventImpl_Pthreads( MutexImpl_Pthreads *pParent );
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~EventImpl_Pthreads();
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bool Wait( RageTimer *pTimeout );
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void Signal();
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void Broadcast();
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private:
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MutexImpl_Pthreads *m_pParent;
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pthread_cond_t m_Cond;
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};
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#if 0
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class SemaImpl_Pthreads: public SemaImpl
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{
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public:
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SemaImpl_Pthreads( int iInitialValue );
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~SemaImpl_Pthreads();
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int GetValue() const;
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void Post();
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bool Wait();
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bool TryWait();
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private:
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sem_t sem;
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};
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#else
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class SemaImpl_Pthreads: public SemaImpl
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{
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public:
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SemaImpl_Pthreads( int iInitialValue );
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~SemaImpl_Pthreads();
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int GetValue() const { return m_iValue; }
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void Post();
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bool Wait();
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bool TryWait();
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private:
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pthread_cond_t m_Cond;
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pthread_mutex_t m_Mutex;
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unsigned m_iValue;
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};
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#endif
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#endif
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/*
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* (c) 2001-2004 Glenn Maynard
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, and/or sell copies of the Software, and to permit persons to
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* whom the Software is furnished to do so, provided that the above
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* copyright notice(s) and this permission notice appear in all copies of
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* the Software and that both the above copyright notice(s) and this
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* permission notice appear in supporting documentation.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
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* THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
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* INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
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* OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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