Files
pcas/src/cas/generic/casAsyncReadIO.cc
2003-02-12 19:06:15 +00:00

60 lines
1.5 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.
\*************************************************************************/
/*
* $Id$
*
* Author Jeffrey O. Hill
* johill@lanl.gov
* 505 665 1831
*/
#include <stdexcept>
#define epicsExportSharedSymbols
#include "casdef.h"
#include "casAsyncReadIOI.h"
casAsyncReadIO::casAsyncReadIO ( const casCtx & ctx ) :
pAsyncReadIOI ( new casAsyncReadIOI ( *this, ctx ) ) {}
void casAsyncReadIO::serverInitiatedDestroy ()
{
this->pAsyncReadIOI = 0;
this->destroy ();
}
casAsyncReadIO::~casAsyncReadIO ()
{
if ( this->pAsyncReadIOI ) {
throw std::logic_error (
"the server library *must* initiate asynchronous IO destroy" );
}
}
caStatus casAsyncReadIO::postIOCompletion (
caStatus completionStatusIn, const gdd & valueRead )
{
if ( this->pAsyncReadIOI ) {
return this->pAsyncReadIOI->postIOCompletion (
completionStatusIn, valueRead );
}
else {
return S_cas_redundantPost;
}
}
void casAsyncReadIO::destroy ()
{
delete this;
}