76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
/*************************************************************************\
|
||
* Copyright (c) 2007 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.
|
||
\*************************************************************************/
|
||
/* $Id$ */
|
||
|
||
/* includes for general purpose callback tasks */
|
||
/*
|
||
* Original Author: Marty Kraimer
|
||
* Date: 07-18-91
|
||
*/
|
||
|
||
#ifndef INCcallbackh
|
||
#define INCcallbackh 1
|
||
|
||
#include "shareLib.h"
|
||
|
||
#ifdef __cplusplus
|
||
extern "C" {
|
||
#endif
|
||
|
||
/*
|
||
* WINDOWS also has a "CALLBACK" type def
|
||
*/
|
||
#ifdef _WIN32
|
||
# ifdef CALLBACK
|
||
# undef CALLBACK
|
||
# endif /*CALLBACK*/
|
||
#endif /*_WIN32*/
|
||
|
||
#define NUM_CALLBACK_PRIORITIES 3
|
||
#define priorityLow 0
|
||
#define priorityMedium 1
|
||
#define priorityHigh 2
|
||
|
||
typedef struct callbackPvt {
|
||
void (*callback)(struct callbackPvt*);
|
||
int priority;
|
||
void *user; /*for use by callback user*/
|
||
void *timer; /*for use by callback itself*/
|
||
}CALLBACK;
|
||
|
||
typedef void (*CALLBACKFUNC)(struct callbackPvt*);
|
||
|
||
#define callbackSetCallback(PFUN,PCALLBACK)\
|
||
( (PCALLBACK)->callback = (PFUN) )
|
||
#define callbackSetPriority(PRIORITY,PCALLBACK)\
|
||
( (PCALLBACK)->priority = (PRIORITY) )
|
||
#define callbackSetUser(USER,PCALLBACK)\
|
||
( (PCALLBACK)->user = (void *)(USER) )
|
||
#define callbackGetUser(USER,PCALLBACK)\
|
||
( (USER) = (void *)((CALLBACK *)(PCALLBACK))->user )
|
||
|
||
epicsShareFunc void callbackInit(void);
|
||
epicsShareFunc void callbackRequest(CALLBACK *pCallback);
|
||
epicsShareFunc void callbackSetProcess(
|
||
CALLBACK *pcallback, int Priority, void *pRec);
|
||
epicsShareFunc void callbackRequestProcessCallback(
|
||
CALLBACK *pCallback,int Priority, void *pRec);
|
||
epicsShareFunc void callbackRequestDelayed(
|
||
CALLBACK *pCallback,double seconds);
|
||
epicsShareFunc void callbackCancelDelayed(CALLBACK *pcallback);
|
||
epicsShareFunc void callbackRequestProcessCallbackDelayed(
|
||
CALLBACK *pCallback, int Priority, void *pRec, double seconds);
|
||
epicsShareFunc int callbackSetQueueSize(int size);
|
||
|
||
#ifdef __cplusplus
|
||
}
|
||
#endif
|
||
|
||
#endif /*INCcallbackh*/
|