modhash.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
* 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 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_MODHASH_H
#define _SYS_MODHASH_H
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Generic hash implementation for the kernel.
*/
#ifdef __cplusplus
extern "C" {
#endif
#ifdef _KERNEL
/*
* Opaque data types for storing keys and values
*/
typedef void *mod_hash_val_t;
typedef void *mod_hash_key_t;
/*
* Opaque data type for reservation
*/
typedef void *mod_hash_hndl_t;
/*
* Opaque type for hash itself.
*/
struct mod_hash;
typedef struct mod_hash mod_hash_t;
/*
* String hash table
*/
void mod_hash_destroy_strhash(mod_hash_t *);
/*
* Pointer hash table
*/
size_t);
void mod_hash_destroy_ptrhash(mod_hash_t *);
/*
* ID hash table
*/
void mod_hash_destroy_idhash(mod_hash_t *);
/*
* Hash management functions
*/
int (*)(mod_hash_key_t, mod_hash_key_t), int);
void mod_hash_destroy_hash(mod_hash_t *);
void mod_hash_clear(mod_hash_t *);
/*
* Null key and value destructors
*/
/*
* Basic hash operations
*/
/*
* Error codes for insert, remove, find, destroy.
*/
#define MH_ERR_NOMEM -1
#define MH_ERR_DUPLICATE -2
#define MH_ERR_NOTFOUND -3
/*
* Return codes for hash walkers
*/
#define MH_WALK_CONTINUE 0
#define MH_WALK_TERMINATE 1
/*
* Basic hash operations
*/
void (*)(mod_hash_key_t, mod_hash_val_t));
void mod_hash_walk(mod_hash_t *,
/*
* Reserving hash operations
*/
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_MODHASH_H */