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/**
* @file rtems/posix/key.h
*
* This include file contains all the private support information for
* POSIX key.
*/
/*
* 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.com/license/LICENSE.
*
* $Id$
*/
#ifndef _RTEMS_POSIX_KEY_H
#define _RTEMS_POSIX_KEY_H
#include <rtems/score/object.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* This is the data Structure used to manage a POSIX key.
*
* @note The Values is a table indexed by the index portion of the
* ID of the currently executing thread.
*/
typedef struct {
/** This field is the Object control structure. */
Objects_Control Object;
/** This field points to the optional destructor method. */
void (*destructor)( void * );
/** This field points to the values per thread. */
void **Values[ OBJECTS_APIS_LAST + 1 ];
} POSIX_Keys_Control;
/**
* The following defines the information control block used to manage
* this class of objects.
*/
POSIX_EXTERN Objects_Information _POSIX_Keys_Information;
/**
* @brief _POSIX_Keys_Manager_initialization
*
* This routine performs the initialization necessary for this manager.
*/
void _POSIX_Key_Manager_initialization(void);
/**
* @brief _POSIX_Keys_Run_destructors
*
* This function executes all the destructors associated with the thread's
* keys. This function will execute until all values have been set to NULL.
*
* @param[in] thread is the thread whose keys should have all their
* destructors run.
*
* @note This is the routine executed when a thread exits to
* run through all the keys and do the destructor action.
*/
void _POSIX_Keys_Run_destructors(
Thread_Control *thread
);
/**
* @brief Free Key Memory
*
* This memory frees the key table memory associated with @a the_key.
*
* @param[in] the_key is the POSIX key to free the table memory of.
*/
void _POSIX_Keys_Free_memory(
POSIX_Keys_Control *the_key
);
/**
* @brief _POSIX_Keys_Free
*
* This routine frees a keys control block to the
* inactive chain of free keys control blocks.
*
* @param[in] the_key is the POSIX key to free.
*/
RTEMS_INLINE_ROUTINE void _POSIX_Keys_Free (
POSIX_Keys_Control *the_key
);
#include <rtems/posix/key.inl>
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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