Marty Kraimer
87 lines
2.3 KiB
C
87 lines
2.3 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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* Experimental Physics and Industrial Control System (EPICS)
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*
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* Copyright 1991, the Regents of the University of California,
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* and the University of Chicago Board of Governors.
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*
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* This software was produced under U.S. Government contracts:
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* (W-7405-ENG-36) at the Los Alamos National Laboratory,
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* and (W-31-109-ENG-38) at Argonne National Laboratory.
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*
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* Initial development by:
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* The Controls and Automation Group (AT-8)
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* Ground Test Accelerator
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* Accelerator Technology Division
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* Los Alamos National Laboratory
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*
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* Co-developed with
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* The Controls and Computing Group
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* Accelerator Systems Division
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* Advanced Photon Source
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* Argonne National Laboratory
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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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/*
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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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#ifdef __cplusplus
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void (*callback)(struct callbackPvt*);
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#else
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void (*callback)();
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#endif
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int priority;
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void *user; /*for use by callback user*/
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}CALLBACK;
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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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#ifdef __STDC__
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long callbackInit();
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void callbackRequest(CALLBACK *);
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void callbackRequestProcessCallback(CALLBACK *pCallback,
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int Priority, void *pRec);
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#else
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long callbackInit();
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void callbackRequest();
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void callbackRequestProcessCallback();
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#endif /*__STDC__*/
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#endif /*INCcallbackh*/
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