epicsExport.h

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/*************************************************************************\
* 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.
* SPDX-License-Identifier: EPICS
* EPICS Base is distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution.
\*************************************************************************/
 
#ifndef INC_epicsExport_H
#define INC_epicsExport_H
 
#define epicsExportSharedSymbols
#include <shareLib.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef void (*REGISTRAR)(void);
 
#define EPICS_EXPORT_POBJ(typ, obj) pvar_ ## typ ## _ ## obj
#define EPICS_EXPORT_PFUNC(fun) EPICS_EXPORT_POBJ(func, fun)
 
#define epicsExportAddress(typ, obj) \
 epicsShareExtern typ *EPICS_EXPORT_POBJ(typ,obj); \
 epicsShareDef typ *EPICS_EXPORT_POBJ(typ, obj) = (typ *) (char *) &obj
 
#define epicsExportRegistrar(fun) \
 epicsShareFunc REGISTRAR EPICS_EXPORT_PFUNC(fun) = (REGISTRAR) &fun
 
#define epicsRegisterFunction(fun) \
 static void register_func_ ## fun(void) \
 { \
 registryFunctionAdd(#fun, (REGISTRYFUNCTION) fun); \
 } \
 epicsExportRegistrar(register_func_ ## fun)
 
#ifdef __cplusplus
}
#endif
 
#endif /* INC_epicsExport_H */