Marty Kraimer
72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
/* $Id$ */
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/* includes for general purpose callback tasks */
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/*
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* Original Author: Marty Kraimer
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* Date: 07-18-91
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*/
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/********************COPYRIGHT NOTIFICATION**********************************
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This software was developed under a United States Government license
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described on the COPYRIGHT_UniversityOfChicago file included as part
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of this distribution.
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****************************************************************************/
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/* Modification Log:
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* -----------------
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* .01 12-12-91 mrk Initial version
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* .02 04-05-94 mrk Remove casts on Lvalues (ANSI forbids)
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* .02 02-09-95 joh if def'd out typedef CALLBACK for
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* windows
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*/
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#ifndef INCcallbackh
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#define INCcallbackh 1
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#include "shareLib.h"
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/*
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* WINDOWS also has a "CALLBACK" type def
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*/
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#ifdef _WIN32
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# ifdef CALLBACK
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# undef CALLBACK
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# endif /*CALLBACK*/
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#endif /*_WIN32*/
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#define NUM_CALLBACK_PRIORITIES 3
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#define priorityLow 0
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#define priorityMedium 1
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#define priorityHigh 2
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typedef struct callbackPvt {
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void (*callback)(struct callbackPvt*);
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int priority;
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void *user; /*for use by callback user*/
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void *timer; /*for use by callback itself*/
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}CALLBACK;
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typedef void (*CALLBACKFUNC)(struct callbackPvt*);
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#define callbackSetCallback(PFUN,PCALLBACK)\
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( (PCALLBACK)->callback = (PFUN) )
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#define callbackSetPriority(PRIORITY,PCALLBACK)\
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( (PCALLBACK)->priority = (PRIORITY) )
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#define callbackSetUser(USER,PCALLBACK)\
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( (PCALLBACK)->user = (void *)(USER) )
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#define callbackGetUser(USER,PCALLBACK)\
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( (USER) = (void *)((CALLBACK *)(PCALLBACK))->user )
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epicsShareFunc void epicsShareAPI callbackInit();
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epicsShareFunc void epicsShareAPI callbackRequest(CALLBACK *pCallback);
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epicsShareFunc void epicsShareAPI callbackRequestProcessCallback(
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CALLBACK *pCallback,int Priority, void *pRec);
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epicsShareFunc void epicsShareAPI callbackRequestDelayed(
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CALLBACK *pCallback,double seconds);
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epicsShareFunc void epicsShareAPI callbackRequestProcessCallbackDelayed(
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CALLBACK *pCallback, int Priority, void *pRec,double seconds);
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epicsShareFunc int epicsShareAPI callbackSetQueueSize(int size);
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#endif /*INCcallbackh*/
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