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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-04-04 08:18:07 +0200 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-04-06 09:08:21 +0200 |
commit | 9ea69deef0257cb54f2f551bdb60a8d587260135 (patch) | |
tree | ca803e08a658963d67c227ddc0d4380726c72de9 | |
parent | posix: Fix _POSIX_signals_Check_signal() (diff) | |
download | rtems-9ea69deef0257cb54f2f551bdb60a8d587260135.tar.bz2 |
score: Add node map to _RBTree_Find_inline()
-rw-r--r-- | cpukit/posix/include/rtems/posix/keyimpl.h | 14 | ||||
-rw-r--r-- | cpukit/posix/src/keygetspecific.c | 15 | ||||
-rw-r--r-- | cpukit/posix/src/keysetspecific.c | 29 | ||||
-rw-r--r-- | cpukit/score/include/rtems/score/rbtree.h | 18 |
4 files changed, 41 insertions, 35 deletions
diff --git a/cpukit/posix/include/rtems/posix/keyimpl.h b/cpukit/posix/include/rtems/posix/keyimpl.h index 7095a1669d..0f255ba880 100644 --- a/cpukit/posix/include/rtems/posix/keyimpl.h +++ b/cpukit/posix/include/rtems/posix/keyimpl.h @@ -139,16 +139,22 @@ RTEMS_INLINE_ROUTINE bool _POSIX_Keys_Key_value_less( return *the_left < the_right->key; } -RTEMS_INLINE_ROUTINE RBTree_Node *_POSIX_Keys_Key_value_find( - pthread_key_t key, - Thread_Control *the_thread +RTEMS_INLINE_ROUTINE void *_POSIX_Keys_Key_value_map( RBTree_Node *node ) +{ + return POSIX_KEYS_RBTREE_NODE_TO_KEY_VALUE_PAIR( node ); +} + +RTEMS_INLINE_ROUTINE POSIX_Keys_Key_value_pair *_POSIX_Keys_Key_value_find( + pthread_key_t key, + Thread_Control *the_thread ) { return _RBTree_Find_inline( &the_thread->Keys.Key_value_pairs, &key, _POSIX_Keys_Key_value_equal, - _POSIX_Keys_Key_value_less + _POSIX_Keys_Key_value_less, + _POSIX_Keys_Key_value_map ); } diff --git a/cpukit/posix/src/keygetspecific.c b/cpukit/posix/src/keygetspecific.c index 08ac1ed28c..ae29955d80 100644 --- a/cpukit/posix/src/keygetspecific.c +++ b/cpukit/posix/src/keygetspecific.c @@ -30,20 +30,17 @@ void *pthread_getspecific( pthread_key_t key ) { - Thread_Control *executing; - ISR_lock_Context lock_context; - RBTree_Node *node; - void *value; + Thread_Control *executing; + ISR_lock_Context lock_context; + POSIX_Keys_Key_value_pair *key_value_pair; + void *value; executing = _Thread_Get_executing(); _POSIX_Keys_Key_value_acquire( executing, &lock_context ); - node = _POSIX_Keys_Key_value_find( key, executing ); + key_value_pair = _POSIX_Keys_Key_value_find( key, executing ); - if ( node != NULL ) { - POSIX_Keys_Key_value_pair *key_value_pair; - - key_value_pair = POSIX_KEYS_RBTREE_NODE_TO_KEY_VALUE_PAIR( node ); + if ( key_value_pair != NULL ) { value = key_value_pair->value; } else { value = NULL; diff --git a/cpukit/posix/src/keysetspecific.c b/cpukit/posix/src/keysetspecific.c index 8b0f517eaf..7034d8eb65 100644 --- a/cpukit/posix/src/keysetspecific.c +++ b/cpukit/posix/src/keysetspecific.c @@ -24,11 +24,11 @@ #include <errno.h> -static int _POSIX_Keys_Set_value( RBTree_Node *node, const void *value ) +static int _POSIX_Keys_Set_value( + POSIX_Keys_Key_value_pair *key_value_pair, + const void *value +) { - POSIX_Keys_Key_value_pair *key_value_pair; - - key_value_pair = POSIX_KEYS_RBTREE_NODE_TO_KEY_VALUE_PAIR( node ); key_value_pair->value = RTEMS_DECONST( void *, value ); return 0; @@ -91,16 +91,13 @@ static int _POSIX_Keys_Delete_value( the_key = _POSIX_Keys_Get( key ); if ( the_key != NULL ) { - ISR_lock_Context lock_context; - RBTree_Node *node; + POSIX_Keys_Key_value_pair *key_value_pair; + ISR_lock_Context lock_context; _POSIX_Keys_Key_value_acquire( executing, &lock_context ); - node = _POSIX_Keys_Key_value_find( key, executing ); - if ( node != NULL ) { - POSIX_Keys_Key_value_pair *key_value_pair; - - key_value_pair = POSIX_KEYS_RBTREE_NODE_TO_KEY_VALUE_PAIR( node ); + key_value_pair = _POSIX_Keys_Key_value_find( key, executing ); + if ( key_value_pair != NULL ) { _RBTree_Extract( &executing->Keys.Key_value_pairs, &key_value_pair->Lookup_node @@ -138,14 +135,14 @@ int pthread_setspecific( executing = _Thread_Get_executing(); if ( value != NULL ) { - ISR_lock_Context lock_context; - RBTree_Node *node; + ISR_lock_Context lock_context; + POSIX_Keys_Key_value_pair *key_value_pair; _POSIX_Keys_Key_value_acquire( executing, &lock_context ); - node = _POSIX_Keys_Key_value_find( key, executing ); - if ( node != NULL ) { - eno = _POSIX_Keys_Set_value( node, value ); + key_value_pair = _POSIX_Keys_Key_value_find( key, executing ); + if ( key_value_pair != NULL ) { + eno = _POSIX_Keys_Set_value( key_value_pair, value ); _POSIX_Keys_Key_value_release( executing, &lock_context ); } else { _POSIX_Keys_Key_value_release( executing, &lock_context ); diff --git a/cpukit/score/include/rtems/score/rbtree.h b/cpukit/score/include/rtems/score/rbtree.h index 2057612885..18334838ca 100644 --- a/cpukit/score/include/rtems/score/rbtree.h +++ b/cpukit/score/include/rtems/score/rbtree.h @@ -524,7 +524,7 @@ RTEMS_INLINE_ROUTINE void _RBTree_Insert_inline( } /** - * @brief Finds a node in the red-black tree with the specified key. + * @brief Finds an object in the red-black tree with the specified key. * * @param the_rbtree The red-black tree control. * @param key The key to look after. @@ -532,15 +532,21 @@ RTEMS_INLINE_ROUTINE void _RBTree_Insert_inline( * node, otherwise false. * @param less Must return true if the specified key is less than the key of * the node, otherwise false. + * @param map In case a node with the specified key is found, then this + * function is called to map the node to the object returned. Usually it + * performs some offset operation via RTEMS_CONTAINER_OF() to map the node to + * its containing object. Thus, the return type is a void pointer and not a + * red-black tree node. * - * @retval node A node with the specified key. - * @retval NULL No node with the specified key exists in the red-black tree. + * @retval object An object with the specified key. + * @retval NULL No object with the specified key exists in the red-black tree. */ -RTEMS_INLINE_ROUTINE RBTree_Node *_RBTree_Find_inline( +RTEMS_INLINE_ROUTINE void *_RBTree_Find_inline( RBTree_Control *the_rbtree, const void *key, bool ( *equal )( const void *, const RBTree_Node * ), - bool ( *less )( const void *, const RBTree_Node * ) + bool ( *less )( const void *, const RBTree_Node * ), + void *( *map )( RBTree_Node * ) ) { RBTree_Node **link; @@ -553,7 +559,7 @@ RTEMS_INLINE_ROUTINE RBTree_Node *_RBTree_Find_inline( parent = *link; if ( ( *equal )( key, parent ) ) { - return parent; + return ( *map )( parent ); } else if ( ( *less )( key, parent ) ) { link = _RBTree_Left_reference( parent ); } else { |