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 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <dtrace.h> 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 typedef struct dt_inthash { 39 struct dt_inthash *inh_hash; /* next dt_inthash in hash chain */ 40 struct dt_inthash *inh_next; /* next dt_inthash in output table */ 41 uint64_t inh_value; /* value associated with this element */ 42 uint_t inh_index; /* index associated with this element */ 43 uint_t inh_flags; /* flags (see below) */ 44 } dt_inthash_t; 45 46 typedef struct dt_inttab { 47 dtrace_hdl_t *int_hdl; /* pointer back to library handle */ 48 dt_inthash_t **int_hash; /* array of hash buckets */ 49 uint_t int_hashlen; /* size of hash bucket array */ 50 uint_t int_nelems; /* number of elements hashed */ 51 dt_inthash_t *int_head; /* head of table in index order */ 52 dt_inthash_t *int_tail; /* tail of table in index order */ 53 uint_t int_index; /* next index to hand out */ 54 } dt_inttab_t; 55 56 #define DT_INT_PRIVATE 0 /* only a single ref for this entry */ 57 #define DT_INT_SHARED 1 /* multiple refs can share entry */ 58 59 extern dt_inttab_t *dt_inttab_create(dtrace_hdl_t *); 60 extern void dt_inttab_destroy(dt_inttab_t *); 61 extern int dt_inttab_insert(dt_inttab_t *, uint64_t, uint_t); 62 extern uint_t dt_inttab_size(const dt_inttab_t *); 63 extern void dt_inttab_write(const dt_inttab_t *, uint64_t *); 64 65 #ifdef __cplusplus 66 } 67 #endif 68 69 #endif /* _DT_INTTAB_H */ 70