69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
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/*************************************************************************\
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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 Versions 3.13.7
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* and higher are 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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* $Id$
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*
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* Author Jeffrey O. Hill
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* johill@lanl.gov
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* 505 665 1831
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*/
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#ifndef casAsyncIOIh
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#define casAsyncIOIh
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#include "casEvent.h"
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#include "caHdrLargeArray.h"
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#include "casCoreClient.h"
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class casAsyncIOI :
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public tsDLNode < casAsyncIOI >,
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public casEvent {
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public:
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casAsyncIOI ( const casCtx & ctx );
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epicsShareFunc virtual ~casAsyncIOI ();
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caServer * getCAS () const;
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virtual bool oneShotReadOP () const;
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void removeFromEventQueue ();
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protected:
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caStatus insertEventQueue ();
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casCoreClient & client;
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private:
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bool inTheEventQueue;
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bool posted;
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bool ioComplete;
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//
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// casEvent virtual call back function
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// (called when IO completion event reaches top of event queue)
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//
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epicsShareFunc caStatus cbFunc (
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casCoreClient &,
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epicsGuard < casClientMutex > &,
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epicsGuard < evSysMutex > & );
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//
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// derived class specific call back
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// (called when IO completion event reaches top of event queue)
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//
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epicsShareFunc virtual caStatus cbFuncAsyncIO (
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epicsGuard < casClientMutex > & ) = 0;
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casAsyncIOI ( const casAsyncIOI & );
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casAsyncIOI & operator = ( const casAsyncIOI & );
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};
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inline void casAsyncIOI::removeFromEventQueue ()
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{
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this->client.removeFromEventQueue ( *this, this->inTheEventQueue );
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}
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#endif // casAsyncIOIh
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