Janet B. Anderson
47 lines
1.4 KiB
C++
47 lines
1.4 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 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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*
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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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*
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* Author Jeff Hill
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* johill@lanl.gov
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* 505 665 1831
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*/
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#ifndef epicsOnceh
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#define epicsOnceh
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#include "shareLib.h"
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class epicsOnceNotify {
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public:
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epicsShareFunc virtual ~epicsOnceNotify ();
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virtual void initialize () = 0;
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};
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class epicsOnce {
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public:
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epicsShareFunc static epicsOnce & create ( epicsOnceNotify & notifyIn );
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virtual ~epicsOnce (); // use destroy
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virtual void once () = 0; // run notifyIn.initialize() once only
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virtual void destroy () = 0; // destroy this object
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};
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#endif // epicsOnceh
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