Files
epics-base/modules/database/src/ioc/dbStatic/drvSup.h
2018-10-26 17:04:53 -05:00

60 lines
1.7 KiB
C

/*************************************************************************\
* Copyright (c) 2009 UChicago Argonne LLC, 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.
\*************************************************************************/
/** @file drvSup.h
*
* @brief Driver support routines.
*/
/*
* Author: Marty Kraimer
* Date: 6-1-90
*/
#ifndef INCdrvSuph
#define INCdrvSuph 1
#include "errMdef.h"
/** Driver entry table */
typedef struct typed_drvet {
/** Number of function pointers which follow. Must be >=2 */
long number;
/** Called from dbior() */
long (*report)(int lvl);
/** Called during iocInit() */
long (*init)(void);
/* Any further functions are driver-specific */
} typed_drvet;
#ifdef USE_TYPED_DRVET
typedef typed_drvet drvet;
#else
/* These interfaces may eventually get deprecated */
typedef long (*DRVSUPFUN) (); /* ptr to driver support function */
typedef struct drvet { /* driver entry table */
long number; /* number of support routines */
DRVSUPFUN report; /* print report */
DRVSUPFUN init; /* init support */
/* Any further functions are driver-specific */
} drvet;
#define DRVETNUMBER ( (sizeof(struct drvet) -sizeof(long))/sizeof(DRVSUPFUN) )
#endif /* USE_TYPED_DRVET */
#define S_drv_noDrvSup (M_drvSup| 1) /*SDR_DRVSUP: Driver support missing*/
#define S_drv_noDrvet (M_drvSup| 3) /*Missing driver support entry table*/
#endif