66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
/* dbNotify.h */
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/*****************************************************************
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COPYRIGHT NOTIFICATION
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*****************************************************************
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(C) COPYRIGHT 1993 UNIVERSITY OF CHICAGO
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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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#ifndef INCdbNotifyh
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#define INCdbNotifyh
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#include "shareLib.h"
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#ifdef __cplusplus
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//
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// for brain dead C++ compilers
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//
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struct dbCommon;
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struct putNotify;
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#endif
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typedef struct pnRestartNode {
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ELLNODE node;
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struct putNotify *ppn;
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struct putNotify *ppnrestartList; /*ppn with restartList*/
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}PNRESTARTNODE;
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typedef struct putNotify{
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/*The following members MUST be set by user*/
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void (*userCallback)(struct putNotify *);
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struct dbAddr *paddr; /*dbAddr set by dbNameToAddr*/
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void *pbuffer; /*address of data*/
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long nRequest; /*number of elements to be written*/
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short dbrType; /*database request type*/
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void *usrPvt; /*for private use of user*/
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/*The following is status of request. Set by dbPutNotify*/
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long status;
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/*The following are private to database access*/
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struct callbackPvt *callback;
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ELLLIST waitList; /*list of records for which to wait*/
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ELLLIST restartList; /*list of PUTNOTIFYs to restart*/
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PNRESTARTNODE restartNode;
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short restart;
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short callbackState;
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void *waitForCallback;
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}PUTNOTIFY;
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int dbPutNotifyMapType (PUTNOTIFY *ppn, short oldtype);
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/*dbNotifyAdd called by dbScanPassive and dbScanLink*/
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epicsShareFunc void epicsShareAPI dbNotifyAdd(
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struct dbCommon *pfrom,struct dbCommon *pto);
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epicsShareFunc void epicsShareAPI dbNotifyCancel(PUTNOTIFY *pputnotify);
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/*dbNotifyCompletion called by recGblFwdLink */
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epicsShareFunc void epicsShareAPI dbNotifyCompletion(struct dbCommon *precord);
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epicsShareFunc long epicsShareAPI dbPutNotify(PUTNOTIFY *pputnotify);
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#endif /*INCdbNotifyh*/
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