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.
106 lines
3.3 KiB
C++
106 lines
3.3 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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*
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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, 1986, The Regents of the University of California.
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*
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* Author: Jeff Hill
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*/
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#include <stdexcept>
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#include "errlog.h"
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#include "iocinf.h"
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#include "oldAccess.h"
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oldSubscription::oldSubscription (
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epicsGuard < epicsMutex > & guard,
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oldChannelNotify & chanIn, cacChannel & io,
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unsigned type, arrayElementCount nElem, unsigned mask,
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caEventCallBackFunc * pFuncIn, void * pPrivateIn,
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evid * pEventId ) :
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chan ( chanIn ), id ( UINT_MAX ), pFunc ( pFuncIn ),
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pPrivate ( pPrivateIn )
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{
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// The users event id *must* be set prior to potentially
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// calling his callback from within subscribe.
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if ( pEventId ) {
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*pEventId = this;
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}
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io.subscribe ( guard, type, nElem, mask, *this, &this->id );
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// Dont touch this pointer after this point because the
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// 1st update callback might cancel the subscription and
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// thereby destroy this object.
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}
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oldSubscription::~oldSubscription ()
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{
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}
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void oldSubscription::current (
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epicsGuard < epicsMutex > & guard,
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unsigned type, arrayElementCount count, const void * pData )
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{
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struct event_handler_args args;
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args.usr = this->pPrivate;
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args.chid = & this->chan;
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args.type = static_cast < long > ( type );
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args.count = static_cast < long > ( count );
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args.status = ECA_NORMAL;
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args.dbr = pData;
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caEventCallBackFunc * pFuncTmp = this->pFunc;
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{
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epicsGuardRelease < epicsMutex > unguard ( guard );
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( *pFuncTmp ) ( args );
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}
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}
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void oldSubscription::exception (
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epicsGuard < epicsMutex > & guard,
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int status, const char * /* pContext */,
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unsigned type, arrayElementCount count )
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{
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if ( status == ECA_CHANDESTROY ) {
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ca_client_context & cac = this->chan.getClientCtx ();
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cac.destroySubscription ( guard, *this );
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}
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else if ( status != ECA_DISCONN ) {
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struct event_handler_args args;
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args.usr = this->pPrivate;
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args.chid = & this->chan;
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args.type = type;
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args.count = count;
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args.status = status;
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args.dbr = 0;
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caEventCallBackFunc * pFuncTmp = this->pFunc;
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{
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epicsGuardRelease < epicsMutex > unguard ( guard );
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( *pFuncTmp ) ( args );
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}
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}
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}
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void oldSubscription::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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