105 lines
3.0 KiB
C++
105 lines
3.0 KiB
C++
/*************************************************************************\
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* Copyright (c) 2002 The University of Chicago, as Operator of Argonne
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* National Laboratory.
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* Copyright (c) 2002 The Regents of the University of California, as
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* Operator of Los Alamos National Laboratory.
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* EPICS BASE Versions 3.13.7
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* and higher are distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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\*************************************************************************/
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/*
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*
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*
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* L O S A L A M O S
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* Los Alamos National Laboratory
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* Los Alamos, New Mexico 87545
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*
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* Copyright, The Regents of the University of California.
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*
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*
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* Author Jeffrey O. Hill
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* johill@lanl.gov
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* 505 665 1831
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*/
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#ifndef autoPtrFreeListh
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#define autoPtrFreeListh
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#ifdef epicsExportSharedSymbols
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# define autoPtrFreeListh_epicsExportSharedSymbols
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# undef epicsExportSharedSymbols
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#endif
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#include "tsFreeList.h"
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#include "compilerDependencies.h"
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#ifdef autoPtrFreeListh_epicsExportSharedSymbols
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# define epicsExportSharedSymbols
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#endif
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template < class T, unsigned N = 0x400, class MUTEX = epicsMutex >
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class autoPtrFreeList {
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public:
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autoPtrFreeList ( tsFreeList < T, N, MUTEX > &, T * );
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~autoPtrFreeList ();
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T & operator * () const;
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T * operator -> () const;
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T * get () const;
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T * release ();
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private:
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T * p;
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tsFreeList < T, N, MUTEX > & freeList;
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// not implemented
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autoPtrFreeList & operator = ( const autoPtrFreeList & );
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autoPtrFreeList ( const autoPtrFreeList < T, N, MUTEX > & );
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};
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template < class T, unsigned N, class MUTEX >
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inline autoPtrFreeList < T, N, MUTEX >::autoPtrFreeList (
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tsFreeList < T, N, MUTEX > & freeListIn, T * pIn ) :
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p ( pIn ), freeList ( freeListIn ) {}
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template < class T, unsigned N, class MUTEX >
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inline autoPtrFreeList < T, N, MUTEX >::~autoPtrFreeList ()
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{
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if ( this->p ) {
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this->p->~T();
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// its probably a good idea to require that the class has placement delete
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// by calling it during cleanup if the compiler supports it
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# if defined ( CXX_PLACEMENT_DELETE )
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T::operator delete ( this->p, this->freeList );
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# else
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this->freeList.release ( this->p );
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# endif
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}
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}
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template < class T, unsigned N, class MUTEX >
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inline T & autoPtrFreeList < T, N, MUTEX >::operator * () const
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{
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return * this->p;
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}
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template < class T, unsigned N, class MUTEX >
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inline T * autoPtrFreeList < T, N, MUTEX >::operator -> () const
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{
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return this->p;
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}
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template < class T, unsigned N, class MUTEX >
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inline T * autoPtrFreeList < T, N, MUTEX >::get () const
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{
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return this->p;
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}
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template < class T, unsigned N, class MUTEX >
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inline T * autoPtrFreeList < T, N, MUTEX >::release ()
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{
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T *pTmp = this->p;
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this->p = 0;
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return pTmp;
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}
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#endif // #ifdef autoPtrFreeListh
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