182 lines
4.0 KiB
C
182 lines
4.0 KiB
C
/*
|
|
* 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
|
|
* or http://www.opensolaris.org/os/licensing.
|
|
* 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 _LIBUUTIL_IMPL_H
|
|
#define _LIBUUTIL_IMPL_H
|
|
|
|
|
|
|
|
#include <libuutil.h>
|
|
#include <pthread.h>
|
|
|
|
#include <sys/avl_impl.h>
|
|
#include <sys/byteorder.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
void uu_set_error(uint_t);
|
|
|
|
|
|
/*PRINTFLIKE1*/
|
|
void uu_panic(const char *format, ...);
|
|
|
|
|
|
struct uu_dprintf {
|
|
char *uud_name;
|
|
uu_dprintf_severity_t uud_severity;
|
|
uint_t uud_flags;
|
|
};
|
|
|
|
/*
|
|
* For debugging purposes, libuutil keeps around linked lists of all uu_lists
|
|
* and uu_avls, along with pointers to their parents. These can cause false
|
|
* negatives when looking for memory leaks, so we encode the pointers by
|
|
* storing them with swapped endianness; this is not perfect, but it's about
|
|
* the best we can do without wasting a lot of space.
|
|
*/
|
|
#ifdef _LP64
|
|
#define UU_PTR_ENCODE(ptr) BSWAP_64((uintptr_t)(void *)(ptr))
|
|
#else
|
|
#define UU_PTR_ENCODE(ptr) BSWAP_32((uintptr_t)(void *)(ptr))
|
|
#endif
|
|
|
|
#define UU_PTR_DECODE(ptr) ((void *)UU_PTR_ENCODE(ptr))
|
|
|
|
/*
|
|
* uu_list structures
|
|
*/
|
|
typedef struct uu_list_node_impl {
|
|
struct uu_list_node_impl *uln_next;
|
|
struct uu_list_node_impl *uln_prev;
|
|
} uu_list_node_impl_t;
|
|
|
|
struct uu_list_walk {
|
|
uu_list_walk_t *ulw_next;
|
|
uu_list_walk_t *ulw_prev;
|
|
|
|
uu_list_t *ulw_list;
|
|
int8_t ulw_dir;
|
|
uint8_t ulw_robust;
|
|
uu_list_node_impl_t *ulw_next_result;
|
|
};
|
|
|
|
struct uu_list {
|
|
uintptr_t ul_next_enc;
|
|
uintptr_t ul_prev_enc;
|
|
|
|
uu_list_pool_t *ul_pool;
|
|
uintptr_t ul_parent_enc; /* encoded parent pointer */
|
|
size_t ul_offset;
|
|
size_t ul_numnodes;
|
|
uint8_t ul_debug;
|
|
uint8_t ul_sorted;
|
|
uint8_t ul_index; /* mark for uu_list_index_ts */
|
|
|
|
uu_list_node_impl_t ul_null_node;
|
|
uu_list_walk_t ul_null_walk; /* for robust walkers */
|
|
};
|
|
|
|
#define UU_LIST_PTR(ptr) ((uu_list_t *)UU_PTR_DECODE(ptr))
|
|
|
|
#define UU_LIST_POOL_MAXNAME 64
|
|
|
|
struct uu_list_pool {
|
|
uu_list_pool_t *ulp_next;
|
|
uu_list_pool_t *ulp_prev;
|
|
|
|
char ulp_name[UU_LIST_POOL_MAXNAME];
|
|
size_t ulp_nodeoffset;
|
|
size_t ulp_objsize;
|
|
uu_compare_fn_t *ulp_cmp;
|
|
uint8_t ulp_debug;
|
|
uint8_t ulp_last_index;
|
|
pthread_mutex_t ulp_lock; /* protects null_list */
|
|
uu_list_t ulp_null_list;
|
|
};
|
|
|
|
/*
|
|
* uu_avl structures
|
|
*/
|
|
typedef struct avl_node uu_avl_node_impl_t;
|
|
|
|
struct uu_avl_walk {
|
|
uu_avl_walk_t *uaw_next;
|
|
uu_avl_walk_t *uaw_prev;
|
|
|
|
uu_avl_t *uaw_avl;
|
|
void *uaw_next_result;
|
|
int8_t uaw_dir;
|
|
uint8_t uaw_robust;
|
|
};
|
|
|
|
struct uu_avl {
|
|
uintptr_t ua_next_enc;
|
|
uintptr_t ua_prev_enc;
|
|
|
|
uu_avl_pool_t *ua_pool;
|
|
uintptr_t ua_parent_enc;
|
|
uint8_t ua_debug;
|
|
uint8_t ua_index; /* mark for uu_avl_index_ts */
|
|
|
|
struct avl_tree ua_tree;
|
|
uu_avl_walk_t ua_null_walk;
|
|
};
|
|
|
|
#define UU_AVL_PTR(x) ((uu_avl_t *)UU_PTR_DECODE(x))
|
|
|
|
#define UU_AVL_POOL_MAXNAME 64
|
|
|
|
struct uu_avl_pool {
|
|
uu_avl_pool_t *uap_next;
|
|
uu_avl_pool_t *uap_prev;
|
|
|
|
char uap_name[UU_AVL_POOL_MAXNAME];
|
|
size_t uap_nodeoffset;
|
|
size_t uap_objsize;
|
|
uu_compare_fn_t *uap_cmp;
|
|
uint8_t uap_debug;
|
|
uint8_t uap_last_index;
|
|
pthread_mutex_t uap_lock; /* protects null_avl */
|
|
uu_avl_t uap_null_avl;
|
|
};
|
|
|
|
/*
|
|
* atfork() handlers
|
|
*/
|
|
void uu_avl_lockup(void);
|
|
void uu_avl_release(void);
|
|
|
|
void uu_list_lockup(void);
|
|
void uu_list_release(void);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _LIBUUTIL_IMPL_H */
|