[2ad250e] | 1 | /** |
---|
| 2 | * @file |
---|
[f65e8e6] | 3 | * |
---|
[2ad250e] | 4 | * @brief Private Inlined Routines for POSIX Key's |
---|
| 5 | * |
---|
[f65e8e6] | 6 | * This include file contains the static inline implementation of the private |
---|
[2ad250e] | 7 | * inlined routines for POSIX key's. |
---|
| 8 | */ |
---|
| 9 | |
---|
| 10 | /* |
---|
| 11 | * COPYRIGHT (c) 1989-1999. |
---|
| 12 | * On-Line Applications Research Corporation (OAR). |
---|
[5eaf0e7] | 13 | * Copyright (c) 2016 embedded brains GmbH. |
---|
[2ad250e] | 14 | * |
---|
| 15 | * The license and distribution terms for this file may be |
---|
| 16 | * found in the file LICENSE in this distribution or at |
---|
[c499856] | 17 | * http://www.rtems.org/license/LICENSE. |
---|
[2ad250e] | 18 | */ |
---|
[f65e8e6] | 19 | |
---|
[2ad250e] | 20 | #include <rtems/posix/key.h> |
---|
[172e953] | 21 | #include <rtems/score/chainimpl.h> |
---|
[2ad250e] | 22 | #include <rtems/score/freechain.h> |
---|
| 23 | #include <rtems/score/objectimpl.h> |
---|
[f65e8e6] | 24 | #include <rtems/score/percpu.h> |
---|
[2ad250e] | 25 | |
---|
| 26 | #ifndef _RTEMS_POSIX_KEYIMPL_H |
---|
| 27 | #define _RTEMS_POSIX_KEYIMPL_H |
---|
| 28 | |
---|
| 29 | #ifdef __cplusplus |
---|
| 30 | extern "C" { |
---|
| 31 | #endif |
---|
| 32 | |
---|
| 33 | /** |
---|
| 34 | * @addtogroup POSIX_KEY |
---|
| 35 | * |
---|
| 36 | * @{ |
---|
| 37 | */ |
---|
| 38 | |
---|
| 39 | /** |
---|
| 40 | * @brief This freechain is used as a memory pool for POSIX_Keys_Key_value_pair. |
---|
| 41 | */ |
---|
[2605a489] | 42 | extern Freechain_Control _POSIX_Keys_Keypool; |
---|
[2ad250e] | 43 | |
---|
[40dcafa] | 44 | #define POSIX_KEYS_RBTREE_NODE_TO_KEY_VALUE_PAIR( node ) \ |
---|
[5eaf0e7] | 45 | RTEMS_CONTAINER_OF( node, POSIX_Keys_Key_value_pair, Lookup_node ) |
---|
[f65e8e6] | 46 | |
---|
[2ad250e] | 47 | /** |
---|
| 48 | * @brief Allocate a keys control block. |
---|
| 49 | * |
---|
| 50 | * This function allocates a keys control block from |
---|
| 51 | * the inactive chain of free keys control blocks. |
---|
| 52 | */ |
---|
[f65e8e6] | 53 | |
---|
[2ad250e] | 54 | RTEMS_INLINE_ROUTINE POSIX_Keys_Control *_POSIX_Keys_Allocate( void ) |
---|
| 55 | { |
---|
| 56 | return (POSIX_Keys_Control *) _Objects_Allocate( &_POSIX_Keys_Information ); |
---|
| 57 | } |
---|
[f65e8e6] | 58 | |
---|
[2ad250e] | 59 | /** |
---|
| 60 | * @brief Free a keys control block. |
---|
| 61 | * |
---|
| 62 | * This routine frees a keys control block to the |
---|
| 63 | * inactive chain of free keys control blocks. |
---|
| 64 | */ |
---|
[5eaf0e7] | 65 | RTEMS_INLINE_ROUTINE void _POSIX_Keys_Free( |
---|
[2ad250e] | 66 | POSIX_Keys_Control *the_key |
---|
| 67 | ) |
---|
| 68 | { |
---|
| 69 | _Objects_Free( &_POSIX_Keys_Information, &the_key->Object ); |
---|
| 70 | } |
---|
[f65e8e6] | 71 | |
---|
[5eaf0e7] | 72 | RTEMS_INLINE_ROUTINE POSIX_Keys_Control *_POSIX_Keys_Get( pthread_key_t key ) |
---|
| 73 | { |
---|
[572cb624] | 74 | return (POSIX_Keys_Control *) |
---|
[d7a12be9] | 75 | _Objects_Get_no_protection( (Objects_Id) key, &_POSIX_Keys_Information ); |
---|
[5eaf0e7] | 76 | } |
---|
| 77 | |
---|
| 78 | RTEMS_INLINE_ROUTINE void _POSIX_Keys_Key_value_acquire( |
---|
| 79 | Thread_Control *the_thread, |
---|
| 80 | ISR_lock_Context *lock_context |
---|
| 81 | ) |
---|
| 82 | { |
---|
| 83 | _ISR_lock_ISR_disable_and_acquire( &the_thread->Keys.Lock, lock_context ); |
---|
| 84 | } |
---|
[f65e8e6] | 85 | |
---|
[5eaf0e7] | 86 | RTEMS_INLINE_ROUTINE void _POSIX_Keys_Key_value_release( |
---|
| 87 | Thread_Control *the_thread, |
---|
| 88 | ISR_lock_Context *lock_context |
---|
[2ad250e] | 89 | ) |
---|
| 90 | { |
---|
[5eaf0e7] | 91 | _ISR_lock_Release_and_ISR_enable( &the_thread->Keys.Lock, lock_context ); |
---|
[2ad250e] | 92 | } |
---|
| 93 | |
---|
[5eaf0e7] | 94 | POSIX_Keys_Key_value_pair * _POSIX_Keys_Key_value_allocate( void ); |
---|
[c9b784f] | 95 | |
---|
[5eaf0e7] | 96 | RTEMS_INLINE_ROUTINE void _POSIX_Keys_Key_value_free( |
---|
[c9b784f] | 97 | POSIX_Keys_Key_value_pair *key_value_pair |
---|
| 98 | ) |
---|
| 99 | { |
---|
[5eaf0e7] | 100 | _Chain_Extract_unprotected( &key_value_pair->Key_node ); |
---|
[c9b784f] | 101 | _Freechain_Put( &_POSIX_Keys_Keypool, key_value_pair ); |
---|
| 102 | } |
---|
| 103 | |
---|
[97127aa] | 104 | RTEMS_INLINE_ROUTINE bool _POSIX_Keys_Key_value_equal( |
---|
| 105 | const void *left, |
---|
| 106 | const RBTree_Node *right |
---|
[64939bc] | 107 | ) |
---|
| 108 | { |
---|
[97127aa] | 109 | const pthread_key_t *the_left; |
---|
| 110 | const POSIX_Keys_Key_value_pair *the_right; |
---|
[5eaf0e7] | 111 | |
---|
[97127aa] | 112 | the_left = left; |
---|
| 113 | the_right = POSIX_KEYS_RBTREE_NODE_TO_KEY_VALUE_PAIR( right ); |
---|
[5eaf0e7] | 114 | |
---|
[97127aa] | 115 | return *the_left == the_right->key; |
---|
| 116 | } |
---|
[5eaf0e7] | 117 | |
---|
[97127aa] | 118 | RTEMS_INLINE_ROUTINE bool _POSIX_Keys_Key_value_less( |
---|
| 119 | const void *left, |
---|
| 120 | const RBTree_Node *right |
---|
| 121 | ) |
---|
| 122 | { |
---|
| 123 | const pthread_key_t *the_left; |
---|
| 124 | const POSIX_Keys_Key_value_pair *the_right; |
---|
[5eaf0e7] | 125 | |
---|
[97127aa] | 126 | the_left = left; |
---|
| 127 | the_right = POSIX_KEYS_RBTREE_NODE_TO_KEY_VALUE_PAIR( right ); |
---|
| 128 | |
---|
| 129 | return *the_left < the_right->key; |
---|
| 130 | } |
---|
[5eaf0e7] | 131 | |
---|
[9ea69dee] | 132 | RTEMS_INLINE_ROUTINE void *_POSIX_Keys_Key_value_map( RBTree_Node *node ) |
---|
| 133 | { |
---|
| 134 | return POSIX_KEYS_RBTREE_NODE_TO_KEY_VALUE_PAIR( node ); |
---|
| 135 | } |
---|
| 136 | |
---|
| 137 | RTEMS_INLINE_ROUTINE POSIX_Keys_Key_value_pair *_POSIX_Keys_Key_value_find( |
---|
[0cc6071] | 138 | pthread_key_t key, |
---|
| 139 | const Thread_Control *the_thread |
---|
[97127aa] | 140 | ) |
---|
| 141 | { |
---|
| 142 | return _RBTree_Find_inline( |
---|
| 143 | &the_thread->Keys.Key_value_pairs, |
---|
| 144 | &key, |
---|
| 145 | _POSIX_Keys_Key_value_equal, |
---|
[9ea69dee] | 146 | _POSIX_Keys_Key_value_less, |
---|
| 147 | _POSIX_Keys_Key_value_map |
---|
[97127aa] | 148 | ); |
---|
[64939bc] | 149 | } |
---|
| 150 | |
---|
[5eaf0e7] | 151 | RTEMS_INLINE_ROUTINE void _POSIX_Keys_Key_value_insert( |
---|
| 152 | pthread_key_t key, |
---|
| 153 | POSIX_Keys_Key_value_pair *key_value_pair, |
---|
| 154 | Thread_Control *the_thread |
---|
[172e953] | 155 | ) |
---|
| 156 | { |
---|
[9eaf564] | 157 | _RBTree_Insert_inline( |
---|
[5eaf0e7] | 158 | &the_thread->Keys.Key_value_pairs, |
---|
[9eaf564] | 159 | &key_value_pair->Lookup_node, |
---|
| 160 | &key, |
---|
| 161 | _POSIX_Keys_Key_value_less |
---|
[172e953] | 162 | ); |
---|
| 163 | } |
---|
| 164 | |
---|
[2ad250e] | 165 | /** @} */ |
---|
| 166 | |
---|
| 167 | #ifdef __cplusplus |
---|
| 168 | } |
---|
| 169 | #endif |
---|
| 170 | |
---|
| 171 | #endif |
---|
| 172 | /* end of include file */ |
---|