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 _FMD_IDSPACE_H 28 #define _FMD_IDSPACE_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <sys/types.h> 33 #include <pthread.h> 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 typedef struct fmd_idelem { 40 struct fmd_idelem *ide_next; /* next element in hash bucket chain */ 41 void *ide_data; /* data associated with this element */ 42 id_t ide_id; /* identifier associated w/ element */ 43 } fmd_idelem_t; 44 45 typedef struct fmd_idspace { 46 char ids_name[32]; /* string name of idspace for debug */ 47 pthread_mutex_t ids_lock; /* lock protecting idspace contents */ 48 fmd_idelem_t **ids_hash; /* hash bucket array of fmd_idelems */ 49 uint_t ids_hashlen; /* size of hash bucket array */ 50 id_t ids_nextid; /* next identifier guess for alloc */ 51 id_t ids_minid; /* minimum identifier value */ 52 id_t ids_maxid; /* maximum identifier value */ 53 id_t ids_count; /* number of allocated ids */ 54 } fmd_idspace_t; 55 56 extern fmd_idspace_t *fmd_idspace_create(const char *, id_t, id_t); 57 extern void fmd_idspace_destroy(fmd_idspace_t *); 58 extern void fmd_idspace_apply(fmd_idspace_t *, void (*)(void *, id_t), void *); 59 60 extern void *fmd_idspace_getspecific(fmd_idspace_t *, id_t); 61 extern void fmd_idspace_setspecific(fmd_idspace_t *, id_t, void *); 62 extern int fmd_idspace_contains(fmd_idspace_t *, id_t); 63 extern int fmd_idspace_valid(fmd_idspace_t *, id_t); 64 65 extern id_t fmd_idspace_xalloc(fmd_idspace_t *, id_t, void *); 66 extern id_t fmd_idspace_alloc(fmd_idspace_t *, void *); 67 extern void *fmd_idspace_free(fmd_idspace_t *, id_t); 68 69 #ifdef __cplusplus 70 } 71 #endif 72 73 #endif /* _FMD_IDSPACE_H */ 74