libuutil_impl.h

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    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 https://opensource.org/licenses/CDDL-1.0.
   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 2005 Sun Microsystems, Inc.  All rights reserved.
   24  * Use is subject to license terms.
   25  */
   26 
   27 #ifndef _LIBUUTIL_IMPL_H
   28 #define _LIBUUTIL_IMPL_H
   29 
   30 
   31 
   32 #include <libuutil.h>
   33 #include <pthread.h>
   34 
   35 #include <sys/avl_impl.h>
   36 #include <sys/byteorder.h>
   37 
   38 #ifdef  __cplusplus
   39 extern "C" {
   40 #endif
   41 
   42 void uu_set_error(uint_t);
   43 
   44 
   45 __attribute__((format(printf, 1, 2), __noreturn__))
   46 void uu_panic(const char *format, ...);
   47 
   48 
   49 /*
   50  * uu_list structures
   51  */
   52 typedef struct uu_list_node_impl {
   53         struct uu_list_node_impl *uln_next;
   54         struct uu_list_node_impl *uln_prev;
   55 } uu_list_node_impl_t;
   56 
   57 struct uu_list_walk {
   58         uu_list_walk_t  *ulw_next;
   59         uu_list_walk_t  *ulw_prev;
   60 
   61         uu_list_t       *ulw_list;
   62         int8_t          ulw_dir;
   63         uint8_t         ulw_robust;
   64         uu_list_node_impl_t *ulw_next_result;
   65 };
   66 
   67 struct uu_list {
   68         uu_list_t       *ul_next;
   69         uu_list_t       *ul_prev;
   70 
   71         uu_list_pool_t  *ul_pool;
   72         void            *ul_parent;
   73         size_t          ul_offset;
   74         size_t          ul_numnodes;
   75         uint8_t         ul_debug;
   76         uint8_t         ul_sorted;
   77         uint8_t         ul_index;       /* mark for uu_list_index_ts */
   78 
   79         uu_list_node_impl_t ul_null_node;
   80         uu_list_walk_t  ul_null_walk;   /* for robust walkers */
   81 };
   82 
   83 #define UU_LIST_POOL_MAXNAME    64
   84 
   85 struct uu_list_pool {
   86         uu_list_pool_t  *ulp_next;
   87         uu_list_pool_t  *ulp_prev;
   88 
   89         char            ulp_name[UU_LIST_POOL_MAXNAME];
   90         size_t          ulp_nodeoffset;
   91         size_t          ulp_objsize;
   92         uu_compare_fn_t *ulp_cmp;
   93         uint8_t         ulp_debug;
   94         uint8_t         ulp_last_index;
   95         pthread_mutex_t ulp_lock;               /* protects null_list */
   96         uu_list_t       ulp_null_list;
   97 };
   98 
   99 /*
  100  * uu_avl structures
  101  */
  102 typedef struct avl_node         uu_avl_node_impl_t;
  103 
  104 struct uu_avl_walk {
  105         uu_avl_walk_t   *uaw_next;
  106         uu_avl_walk_t   *uaw_prev;
  107 
  108         uu_avl_t        *uaw_avl;
  109         void            *uaw_next_result;
  110         int8_t          uaw_dir;
  111         uint8_t         uaw_robust;
  112 };
  113 
  114 struct uu_avl {
  115         uu_avl_t        *ua_next;
  116         uu_avl_t        *ua_prev;
  117 
  118         uu_avl_pool_t   *ua_pool;
  119         void            *ua_parent;
  120         uint8_t         ua_debug;
  121         uint8_t         ua_index;       /* mark for uu_avl_index_ts */
  122 
  123         struct avl_tree ua_tree;
  124         uu_avl_walk_t   ua_null_walk;
  125 };
  126 
  127 #define UU_AVL_POOL_MAXNAME     64
  128 
  129 struct uu_avl_pool {
  130         uu_avl_pool_t   *uap_next;
  131         uu_avl_pool_t   *uap_prev;
  132 
  133         char            uap_name[UU_AVL_POOL_MAXNAME];
  134         size_t          uap_nodeoffset;
  135         size_t          uap_objsize;
  136         uu_compare_fn_t *uap_cmp;
  137         uint8_t         uap_debug;
  138         uint8_t         uap_last_index;
  139         pthread_mutex_t uap_lock;               /* protects null_avl */
  140         uu_avl_t        uap_null_avl;
  141 };
  142 
  143 /*
  144  * atfork() handlers
  145  */
  146 void uu_avl_lockup(void);
  147 void uu_avl_release(void);
  148 
  149 void uu_list_lockup(void);
  150 void uu_list_release(void);
  151 
  152 #ifdef  __cplusplus
  153 }
  154 #endif
  155 
  156 #endif  /* _LIBUUTIL_IMPL_H */

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FreeBSD/Linux Kernel Cross Reference sys/contrib/openzfs/include/libuutil_impl.h

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sys/contrib/openzfs/include/libuutil_impl.h