1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _DT_INTTAB_H 28 #define _DT_INTTAB_H 29 30 #include <dtrace.h> 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 typedef struct dt_inthash { 37 struct dt_inthash *inh_hash; /* next dt_inthash in hash chain */ 38 struct dt_inthash *inh_next; /* next dt_inthash in output table */ 39 uint64_t inh_value; /* value associated with this element */ 40 uint_t inh_index; /* index associated with this element */ 41 uint_t inh_flags; /* flags (see below) */ 42 } dt_inthash_t; 43 44 typedef struct dt_inttab { 45 dtrace_hdl_t *int_hdl; /* pointer back to library handle */ 46 dt_inthash_t **int_hash; /* array of hash buckets */ 47 uint_t int_hashlen; /* size of hash bucket array */ 48 uint_t int_nelems; /* number of elements hashed */ 49 dt_inthash_t *int_head; /* head of table in index order */ 50 dt_inthash_t *int_tail; /* tail of table in index order */ 51 uint_t int_index; /* next index to hand out */ 52 } dt_inttab_t; 53 54 #define DT_INT_PRIVATE 0 /* only a single ref for this entry */ 55 #define DT_INT_SHARED 1 /* multiple refs can share entry */ 56 57 extern dt_inttab_t *dt_inttab_create(dtrace_hdl_t *); 58 extern void dt_inttab_destroy(dt_inttab_t *); 59 extern int dt_inttab_insert(dt_inttab_t *, uint64_t, uint_t); 60 extern uint_t dt_inttab_size(const dt_inttab_t *); 61 extern void dt_inttab_write(const dt_inttab_t *, uint64_t *); 62 63 #ifdef __cplusplus 64 } 65 #endif 66 67 #endif /* _DT_INTTAB_H */ 68