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/**
* @file
*
* @brief POSIX Key Private Support
*
* This include file contains all the private support information for
* POSIX key.
*/
/*
* Copyright (c) 2012 Zhongwei Yao.
* COPYRIGHT (c) 1989-2011.
* On-Line Applications Research Corporation (OAR).
*
* 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.
*/
#ifndef _RTEMS_POSIX_KEY_H
#define _RTEMS_POSIX_KEY_H
#include <pthread.h>
#include <rtems/score/chain.h>
#include <rtems/score/object.h>
#include <rtems/score/rbtree.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @defgroup POSIX_KEY POSIX Key
*
* @ingroup POSIXAPI
*
*/
/**@{**/
/**
* @brief The rbtree node used to manage a POSIX key and value.
*/
typedef struct {
/** This field is the chain node structure. */
Chain_Node Key_values_per_thread_node;
/** This field is the rbtree node structure. */
RBTree_Node Key_value_lookup_node;
/** This field is the POSIX key used as an rbtree key */
pthread_key_t key;
/** This field is the Thread id also used as an rbtree key */
Objects_Id thread_id;
/** This field points to the POSIX key value of specific thread */
const void *value;
} POSIX_Keys_Key_value_pair;
/**
* @brief The data structure used to manage a POSIX key.
*/
typedef struct {
/** This field is the Object control structure. */
Objects_Control Object;
/** This field is the data destructor. */
void (*destructor) (void *);
} POSIX_Keys_Control;
/** @} */
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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