18402f0354
Also unified the header exclusion guard names, removed a couple of files that are no longer used, dropped the '3.13.7' from the Copyright header.
143 lines
4.4 KiB
C++
143 lines
4.4 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 is 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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* 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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#include <string>
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#include <stdexcept>
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#define epicsAssertAuthor "Jeff Hill johill@lanl.gov"
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#include "errlog.h"
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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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syncGroupWriteNotify::syncGroupWriteNotify ( CASG & sgIn,
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PRecycleFunc pRecycleFuncIn, chid pChan ) :
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chan ( pChan ), pRecycleFunc ( pRecycleFuncIn ),
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sg ( sgIn ), magic ( CASG_MAGIC ),
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id ( 0u ), idIsValid ( false ), ioComplete ( false )
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{
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}
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void syncGroupWriteNotify::begin (
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epicsGuard < epicsMutex > & guard, unsigned type,
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arrayElementCount count, const void * pValueIn )
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{
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this->chan->eliminateExcessiveSendBacklog ( guard );
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this->ioComplete = false;
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boolFlagManager mgr ( this->idIsValid );
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this->chan->write ( guard, type, count,
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pValueIn, *this, &this->id );
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mgr.release ();
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}
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void syncGroupWriteNotify::cancel (
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CallbackGuard & callbackGuard,
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epicsGuard < epicsMutex > & mutualExcusionGuard )
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{
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if ( this->idIsValid ) {
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this->chan->ioCancel ( callbackGuard, mutualExcusionGuard, this->id );
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this->idIsValid = false;
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}
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}
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syncGroupWriteNotify * syncGroupWriteNotify::factory (
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tsFreeList < class syncGroupWriteNotify, 128, epicsMutexNOOP > &freeList,
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struct CASG & sg, PRecycleFunc pRecycleFunc, chid chan )
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{
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return new ( freeList ) syncGroupWriteNotify ( sg, pRecycleFunc, chan );
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}
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void syncGroupWriteNotify::destroy (
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CallbackGuard &,
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epicsGuard < epicsMutex > & guard )
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{
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CASG & sgRef ( this->sg );
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this->~syncGroupWriteNotify ();
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( sgRef.*pRecycleFunc ) ( guard, *this );
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}
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syncGroupWriteNotify::~syncGroupWriteNotify ()
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{
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assert ( ! this->idIsValid );
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}
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void syncGroupWriteNotify::completion (
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epicsGuard < epicsMutex > & guard )
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{
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if ( this->magic != CASG_MAGIC ) {
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this->sg.printFormated ( "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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this->sg.completionNotify ( guard, *this );
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this->idIsValid = false;
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this->ioComplete = true;
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}
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void syncGroupWriteNotify::exception (
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epicsGuard < epicsMutex > & guard,
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int status, const char *pContext, unsigned type, arrayElementCount count )
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{
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if ( this->magic != CASG_MAGIC ) {
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this->sg.printFormated ( "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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this->sg.exception ( guard, status, pContext,
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__FILE__, __LINE__, *this->chan, type, count, CA_OP_PUT );
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this->idIsValid = false;
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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 syncGroupWriteNotify::show (
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epicsGuard < epicsMutex > &, unsigned level ) const
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{
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::printf ( "pending write sg op\n" );
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if ( level > 0u ) {
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::printf ( "pending sg op: magic=%u sg=%p\n",
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this->magic, static_cast < void * > ( &this->sg ) );
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}
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}
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void syncGroupWriteNotify::operator delete ( void * )
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{
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// Visual C++ .net appears to require operator delete if
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// placement operator delete is defined? I smell a ms rat
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// because if I declare placement new and delete, but
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// comment out the placement delete definition there are
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// no undefined symbols.
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errlogPrintf ( "%s:%d this compiler is confused about placement delete - memory was probably leaked",
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__FILE__, __LINE__ );
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}
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void * syncGroupWriteNotify::operator new ( size_t size,
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tsFreeList < class syncGroupWriteNotify, 128, epicsMutexNOOP > & freeList )
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{
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return freeList.allocate ( size );
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}
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#if defined ( CXX_PLACEMENT_DELETE )
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void syncGroupWriteNotify::operator delete ( void *pCadaver,
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tsFreeList < class syncGroupWriteNotify, 128, epicsMutexNOOP > &freeList )
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{
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freeList.release ( pCadaver );
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}
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#endif
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