115 lines
3.3 KiB
C++
115 lines
3.3 KiB
C++
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/*
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* $Id$
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* Author: Jeffrey O. Hill
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* hill@luke.lanl.gov
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* (505) 665 1831
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*
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* Experimental Physics and Industrial Control System (EPICS)
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*
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* Copyright 1991, the Regents of the University of California,
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* and the University of Chicago Board of Governors.
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*
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* This software was produced under U.S. Government contracts:
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* (W-7405-ENG-36) at the Los Alamos National Laboratory,
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* and (W-31-109-ENG-38) at Argonne National Laboratory.
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*
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* Initial development by:
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* The Controls and Automation Group (AT-8)
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* Ground Test Accelerator
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* Accelerator Technology Division
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* Los Alamos National Laboratory
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*
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* Co-developed with
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* The Controls and Computing Group
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* Accelerator Systems Division
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* Advanced Photon Source
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* Argonne National Laboratory
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*
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*/
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#define epicsAssertAuthor "Jeff Hill johill@lanl.gov"
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#include "iocinf.h"
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#include "syncGroup.h"
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#include "oldAccess.h"
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syncGroupReadNotify::syncGroupReadNotify ( CASG &sgIn, chid pChan, void *pValueIn ) :
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syncGroupNotify ( sgIn, pChan ), pValue ( pValueIn )
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{
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}
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void syncGroupReadNotify::begin ( unsigned type, arrayElementCount count )
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{
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this->chan->read ( type, count, *this, &this->id );
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this->idIsValid = true;
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}
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syncGroupReadNotify * syncGroupReadNotify::factory (
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tsFreeList < class syncGroupReadNotify, 128 > &freeList,
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struct CASG &sg, chid chan, void *pValueIn )
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{
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return new ( freeList ) syncGroupReadNotify ( sg, chan, pValueIn);
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}
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void syncGroupReadNotify::destroy ( casgRecycle &recycle )
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{
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this->~syncGroupReadNotify ();
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recycle.recycleSyncGroupReadNotify ( * this );
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}
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syncGroupReadNotify::~syncGroupReadNotify ()
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{
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}
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void syncGroupReadNotify::completion (
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unsigned type, arrayElementCount count, const void *pData )
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{
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if ( this->magic != CASG_MAGIC ) {
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this->sg.printf ( "cac: sync group io_complete(): bad sync grp op magic number?\n" );
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return;
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}
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if ( this->pValue ) {
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size_t size = dbr_size_n ( type, count );
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memcpy ( this->pValue, pData, size );
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}
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this->idIsValid = false;
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this->sg.completionNotify ( *this );
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}
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void syncGroupReadNotify::exception (
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int status, const char *pContext, unsigned type, arrayElementCount count )
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{
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this->sg.exception ( status, pContext,
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__FILE__, __LINE__, *this->chan, type, count, CA_OP_GET );
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//
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// This notify is left installed at this point as a place holder indicating that
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// all requests have not been completed. This notify is not uninstalled until
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// CASG::block() times out or unit they call CASG::reset().
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//
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}
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void syncGroupReadNotify::show ( unsigned level ) const
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{
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::printf ( "pending sg read op: pVal=%p\n", this->pValue );
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if ( level > 0u ) {
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this->syncGroupNotify::show ( level - 1u );
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}
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}
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void * syncGroupReadNotify::operator new ( size_t size,
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tsFreeList < class syncGroupReadNotify, 128 > & freeList )
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{
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return freeList.allocate ( size );
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}
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#if ! defined ( NO_PLACEMENT_DELETE )
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void syncGroupReadNotify::operator delete ( void *pCadaver, size_t size,
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tsFreeList < class syncGroupWriteNotify, 128 > &freeList )
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{
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freeList.release ( pCadaver, size );
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}
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#endif
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