7ce49bf131
added per-bucket locks to the PV Directory, needed for run-time alias creation; speed up gpHash lookups; improved the output of both Dump routines.
53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
/*************************************************************************\
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* Copyright (c) 2002 The University of Chicago, as Operator of Argonne
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* National Laboratory.
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* Copyright (c) 2002 The Regents of the University of California, as
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* Operator of Los Alamos National Laboratory.
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* EPICS BASE Versions 3.13.7
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* and higher are distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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\*************************************************************************/
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/* $Id$ */
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/* Author: Marty Kraimer Date: 04-07-94 */
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/* gph provides a general purpose directory accessed via a hash table*/
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#ifndef INC_gpHash_H
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#define INC_gpHash_H
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#include "shareLib.h"
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#include "ellLib.h"
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typedef struct{
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ELLNODE node;
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const char *name; /*address of name placed in directory*/
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void *pvtid; /*private name for subsystem user*/
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void *userPvt; /*private for user*/
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} GPHENTRY;
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struct gphPvt;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*tableSize must be power of 2 in range 256 to 65536*/
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epicsShareFunc void epicsShareAPI
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gphInitPvt(struct gphPvt **ppvt, int tableSize);
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epicsShareFunc GPHENTRY * epicsShareAPI
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gphFind(struct gphPvt *pvt, const char *name, void *pvtid);
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epicsShareFunc GPHENTRY * epicsShareAPI
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gphAdd(struct gphPvt *pvt, const char *name, void *pvtid);
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epicsShareFunc void epicsShareAPI
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gphDelete(struct gphPvt *pvt, const char *name, void *pvtid);
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epicsShareFunc void epicsShareAPI gphFreeMem(struct gphPvt *pvt);
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epicsShareFunc void epicsShareAPI gphDump(struct gphPvt *pvt);
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epicsShareFunc void epicsShareAPI gphDumpFP(FILE *fp, struct gphPvt *pvt);
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#ifdef __cplusplus
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}
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#endif
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#endif /* INC_gpHash_H */
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