/**
* @file
*
* @brief Private Inlined Routines for POSIX Key's
*
* This include file contains the static inline implementation of the private
* inlined routines for POSIX key's.
*/
/*
* COPYRIGHT (c) 1989-1999.
* On-Line Applications Research Corporation (OAR).
* Copyright (c) 2016 embedded brains GmbH.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#include <rtems/posix/key.h>
#include <rtems/score/chainimpl.h>
#include <rtems/score/freechain.h>
#include <rtems/score/objectimpl.h>
#include <rtems/score/percpu.h>
#ifndef _RTEMS_POSIX_KEYIMPL_H
#define _RTEMS_POSIX_KEYIMPL_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* @addtogroup POSIX_KEY
*
* @{
*/
/**
* @brief The information control block used to manage this class of objects.
*/
extern Objects_Information _POSIX_Keys_Information;
/**
* @brief This freechain is used as a memory pool for POSIX_Keys_Key_value_pair.
*/
extern Freechain_Control _POSIX_Keys_Keypool;
#define POSIX_KEYS_RBTREE_NODE_TO_KEY_VALUE_PAIR( node ) \
RTEMS_CONTAINER_OF( node, POSIX_Keys_Key_value_pair, Lookup_node )
/**
* @brief Allocate a keys control block.
*
* This function allocates a keys control block from
* the inactive chain of free keys control blocks.
*/
RTEMS_INLINE_ROUTINE POSIX_Keys_Control *_POSIX_Keys_Allocate( void )
{
return (POSIX_Keys_Control *) _Objects_Allocate( &_POSIX_Keys_Information );
}
/**
* @brief Free a keys control block.
*
* This routine frees a keys control block to the
* inactive chain of free keys control blocks.
*/
RTEMS_INLINE_ROUTINE void _POSIX_Keys_Free(
POSIX_Keys_Control *the_key
)
{
_Objects_Free( &_POSIX_Keys_Information, &the_key->Object );
}
RTEMS_INLINE_ROUTINE POSIX_Keys_Control *_POSIX_Keys_Get( pthread_key_t key )
{
return (POSIX_Keys_Control *)
_Objects_Get_no_protection( (Objects_Id) key, &_POSIX_Keys_Information );
}
RTEMS_INLINE_ROUTINE void _POSIX_Keys_Key_value_acquire(
Thread_Control *the_thread,
ISR_lock_Context *lock_context
)
{
_ISR_lock_ISR_disable_and_acquire( &the_thread->Keys.Lock, lock_context );
}
RTEMS_INLINE_ROUTINE void _POSIX_Keys_Key_value_release(
Thread_Control *the_thread,
ISR_lock_Context *lock_context
)
{
_ISR_lock_Release_and_ISR_enable( &the_thread->Keys.Lock, lock_context );
}
POSIX_Keys_Key_value_pair * _POSIX_Keys_Key_value_allocate( void );
RTEMS_INLINE_ROUTINE void _POSIX_Keys_Key_value_free(
POSIX_Keys_Key_value_pair *key_value_pair
)
{
_Chain_Extract_unprotected( &key_value_pair->Key_node );
_Freechain_Put( &_POSIX_Keys_Keypool, key_value_pair );
}
RTEMS_INLINE_ROUTINE bool _POSIX_Keys_Key_value_equal(
const void *left,
const RBTree_Node *right
)
{
const pthread_key_t *the_left;
const POSIX_Keys_Key_value_pair *the_right;
the_left = left;
the_right = POSIX_KEYS_RBTREE_NODE_TO_KEY_VALUE_PAIR( right );
return *the_left == the_right->key;
}
RTEMS_INLINE_ROUTINE bool _POSIX_Keys_Key_value_less(
const void *left,
const RBTree_Node *right
)
{
const pthread_key_t *the_left;
const POSIX_Keys_Key_value_pair *the_right;
the_left = left;
the_right = POSIX_KEYS_RBTREE_NODE_TO_KEY_VALUE_PAIR( right );
return *the_left < the_right->key;
}
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,
const 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_map
);
}
RTEMS_INLINE_ROUTINE void _POSIX_Keys_Key_value_insert(
pthread_key_t key,
POSIX_Keys_Key_value_pair *key_value_pair,
Thread_Control *the_thread
)
{
_RBTree_Insert_inline(
&the_thread->Keys.Key_value_pairs,
&key_value_pair->Lookup_node,
&key,
_POSIX_Keys_Key_value_less
);
}
/** @} */
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */