Files
epics-base/src/ca/oldSubscription.cpp
2002-10-23 23:23:22 +00:00

79 lines
2.0 KiB
C++

/*************************************************************************\
* Copyright (c) 2002 The University of Chicago, as Operator of Argonne
* National Laboratory.
* Copyright (c) 2002 The Regents of the University of California, as
* Operator of Los Alamos National Laboratory.
* EPICS BASE Versions 3.13.7
* and higher are distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution.
\*************************************************************************/
/* $Id$
*
* L O S A L A M O S
* Los Alamos National Laboratory
* Los Alamos, New Mexico 87545
*
* Copyright, 1986, The Regents of the University of California.
*
* Author: Jeff Hill
*/
#include <stdexcept>
#define epicsExportSharedSymbols
#include "iocinf.h"
#include "oldAccess.h"
oldSubscription::~oldSubscription ()
{
}
void oldSubscription::ioCancel ()
{
if ( this->subscribed ) {
this->chan.ioCancel ( this->id );
}
}
void oldSubscription::current (
unsigned type, arrayElementCount count, const void * pData )
{
struct event_handler_args args;
args.usr = this->pPrivate;
args.chid = &this->chan;
args.type = type;
args.count = count;
args.status = ECA_NORMAL;
args.dbr = pData;
( *this->pFunc ) ( args );
}
void oldSubscription::exception (
int status, const char * /* pContext */,
unsigned type, arrayElementCount count )
{
if ( status == ECA_CHANDESTROY ) {
ca_client_context & cac = this->chan.getClientCtx ();
cac.destroySubscription ( *this );
}
else if ( status != ECA_DISCONN ) {
struct event_handler_args args;
args.usr = this->pPrivate;
args.chid = &this->chan;
args.type = type;
args.count = count;
args.status = status;
args.dbr = 0;
( *this->pFunc ) ( args );
}
}
void oldSubscription::operator delete ( void *pCadaver )
{
throw std::logic_error
( "compiler is confused about placement delete" );
}