Files
epics-base/modules/ca/src/client/getCallback.cpp
Andrew Johnson 18402f0354 Convert modules/ca to use LIBCA_API instead of epicsShare
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.
2020-03-09 23:53:22 -05:00

103 lines
3.2 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 is distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution.
\*************************************************************************/
/*
*
*
* L O S A L A M O S
* Los Alamos National Laboratory
* Los Alamos, New Mexico 87545
*
* Copyright, The Regents of the University of California.
*
*
* Author Jeffrey O. Hill
* johill@lanl.gov
* 505 665 1831
*/
#include <string>
#include <stdexcept>
#include "errlog.h"
#include "iocinf.h"
#include "oldAccess.h"
getCallback::getCallback ( oldChannelNotify & chanIn,
caEventCallBackFunc *pFuncIn, void *pPrivateIn ) :
chan ( chanIn ), pFunc ( pFuncIn ), pPrivate ( pPrivateIn )
{
}
getCallback::~getCallback ()
{
}
void getCallback::completion (
epicsGuard < epicsMutex > & guard,
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;
caEventCallBackFunc * pFuncTmp = this->pFunc;
// fetch client context and destroy prior to releasing
// the lock and calling cb in case they destroy channel there
this->chan.getClientCtx().destroyGetCallback ( guard, *this );
if ( pFuncTmp ) {
epicsGuardRelease < epicsMutex > unguard ( guard );
pFuncTmp ( args );
}
}
void getCallback::exception (
epicsGuard < epicsMutex > & guard,
int status, const char * /* pContext */,
unsigned type, arrayElementCount count )
{
if ( status != ECA_CHANDESTROY ) {
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;
caEventCallBackFunc * pFuncTmp = this->pFunc;
// fetch client context and destroy prior to releasing
// the lock and calling cb in case they destroy channel there
this->chan.getClientCtx().destroyGetCallback ( guard, *this );
{
epicsGuardRelease < epicsMutex > unguard ( guard );
( *pFuncTmp ) ( args );
}
}
else {
this->chan.getClientCtx().destroyGetCallback ( guard, *this );
}
}
void getCallback::operator delete ( void * )
{
// Visual C++ .net appears to require operator delete if
// placement operator delete is defined? I smell a ms rat
// because if I declare placement new and delete, but
// comment out the placement delete definition there are
// no undefined symbols.
errlogPrintf ( "%s:%d this compiler is confused about placement delete - memory was probably leaked",
__FILE__, __LINE__ );
}