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 /* 24 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 25 * Use is subject to license terms. 26 */ 27 28 #ifndef _FMD_BUF_H 29 #define _FMD_BUF_H 30 31 #include <sys/types.h> 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 typedef struct fmd_buf { 38 char *buf_name; /* name of this buffer */ 39 struct fmd_buf *buf_next; /* next buffer in hash chain */ 40 void *buf_data; /* buffer data storage */ 41 size_t buf_size; /* buffer size */ 42 uint_t buf_flags; /* buffer flags (see below) */ 43 } fmd_buf_t; 44 45 #define FMD_BUF_DIRTY 0x1 /* buffer is dirty (needs checkpoint) */ 46 47 typedef void fmd_buf_f(fmd_buf_t *, void *); 48 49 typedef struct fmd_buf_hash { 50 fmd_buf_t **bh_hash; /* hash bucket array for buffers */ 51 uint_t bh_hashlen; /* length of hash bucket array */ 52 uint_t bh_count; /* number of buffers in hash */ 53 } fmd_buf_hash_t; 54 55 extern void fmd_buf_hash_create(fmd_buf_hash_t *); 56 extern size_t fmd_buf_hash_destroy(fmd_buf_hash_t *); 57 extern void fmd_buf_hash_apply(fmd_buf_hash_t *, fmd_buf_f *, void *); 58 extern void fmd_buf_hash_commit(fmd_buf_hash_t *); 59 extern uint_t fmd_buf_hash_count(fmd_buf_hash_t *); 60 61 extern fmd_buf_t *fmd_buf_insert(fmd_buf_hash_t *, const char *, size_t); 62 extern fmd_buf_t *fmd_buf_lookup(fmd_buf_hash_t *, const char *); 63 extern void fmd_buf_delete(fmd_buf_hash_t *, const char *); 64 65 #ifdef __cplusplus 66 } 67 #endif 68 69 #endif /* _FMD_BUF_H */ 70