dt_inttab.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _DT_INTTAB_H
#define _DT_INTTAB_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <dtrace.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct dt_inthash {
struct dt_inthash *inh_hash; /* next dt_inthash in hash chain */
struct dt_inthash *inh_next; /* next dt_inthash in output table */
uint64_t inh_value; /* value associated with this element */
uint_t inh_index; /* index associated with this element */
uint_t inh_flags; /* flags (see below) */
} dt_inthash_t;
typedef struct dt_inttab {
dtrace_hdl_t *int_hdl; /* pointer back to library handle */
dt_inthash_t **int_hash; /* array of hash buckets */
uint_t int_hashlen; /* size of hash bucket array */
uint_t int_nelems; /* number of elements hashed */
dt_inthash_t *int_head; /* head of table in index order */
dt_inthash_t *int_tail; /* tail of table in index order */
uint_t int_index; /* next index to hand out */
} dt_inttab_t;
#define DT_INT_PRIVATE 0 /* only a single ref for this entry */
#define DT_INT_SHARED 1 /* multiple refs can share entry */
extern dt_inttab_t *dt_inttab_create(dtrace_hdl_t *);
extern void dt_inttab_destroy(dt_inttab_t *);
extern int dt_inttab_insert(dt_inttab_t *, uint64_t, uint_t);
extern uint_t dt_inttab_size(const dt_inttab_t *);
extern void dt_inttab_write(const dt_inttab_t *, uint64_t *);
#ifdef __cplusplus
}
#endif
#endif /* _DT_INTTAB_H */