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/**
* @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).
*
* 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.
*/
#ifndef _RTEMS_POSIX_KEY_H
# error "Never use <rtems/posix/key.inl> directly; include <rtems/posix/key.h> instead."
#endif
#ifndef _RTEMS_POSIX_KEY_INL
#define _RTEMS_POSIX_KEY_INL
/**
* @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 );
}
/**
* @brief Get a keys control block.
*
* This function maps key IDs to key control blocks.
* If ID corresponds to a local keys, then it returns
* the_key control pointer which maps to ID and location
* is set to OBJECTS_LOCAL. if the keys ID is global and
* resides on a remote node, then location is set to OBJECTS_REMOTE,
* and the_key is undefined. Otherwise, location is set
* to OBJECTS_ERROR and the_key is undefined.
*/
RTEMS_INLINE_ROUTINE POSIX_Keys_Control *_POSIX_Keys_Get (
pthread_key_t id,
Objects_Locations *location
)
{
return (POSIX_Keys_Control *)
_Objects_Get( &_POSIX_Keys_Information, (Objects_Id) id, location );
}
/**
* @brief Check if a keys control block is NULL.
*
* This function returns @c TRUE if the_key is @c NULL and @c FALSE
* otherwise.
*
* @param[in] the_key is the pointer to the key control block to be checked.
*
* @retval TRUE The key control block is @c NULL.
* @retval FALSE The key control block is not @c NULL.
*/
RTEMS_INLINE_ROUTINE bool _POSIX_Keys_Is_null (
POSIX_Keys_Control *the_key
)
{
return !the_key;
}
#endif
/* end of include file */
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