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/**
* @file rtems/posix/mqueue.inl
*
* This include file contains the static inline implementation of the private
* inlined routines for POSIX Message Queue.
*/
/*
* 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_MQUEUE_H
# error "Never use <rtems/posix/mqueue.inl> directly; include <rtems/posix/mqueue.h> instead."
#endif
#ifndef _RTEMS_POSIX_MQUEUE_INL
#define _RTEMS_POSIX_MQUEUE_INL
/*
* _POSIX_Message_queue_Allocate
*/
RTEMS_INLINE_ROUTINE
POSIX_Message_queue_Control *_POSIX_Message_queue_Allocate( void )
{
return (POSIX_Message_queue_Control *)
_Objects_Allocate( &_POSIX_Message_queue_Information );
}
/*
* _POSIX_Message_queue_Allocate_fd
*/
RTEMS_INLINE_ROUTINE POSIX_Message_queue_Control_fd *
_POSIX_Message_queue_Allocate_fd( void )
{
return (POSIX_Message_queue_Control_fd *)
_Objects_Allocate( &_POSIX_Message_queue_Information_fds );
}
/*
* _POSIX_Message_queue_Free
*/
RTEMS_INLINE_ROUTINE void _POSIX_Message_queue_Free (
POSIX_Message_queue_Control *the_mq
)
{
_Objects_Free( &_POSIX_Message_queue_Information, &the_mq->Object );
}
/*
* _POSIX_Message_queue_Free_fd
*/
RTEMS_INLINE_ROUTINE void _POSIX_Message_queue_Free_fd (
POSIX_Message_queue_Control_fd *the_mq_fd
)
{
_Objects_Free( &_POSIX_Message_queue_Information_fds, &the_mq_fd->Object );
}
/*
* _POSIX_Message_queue_Namespace_remove
*/
RTEMS_INLINE_ROUTINE void _POSIX_Message_queue_Namespace_remove (
POSIX_Message_queue_Control *the_mq
)
{
_Objects_Namespace_remove(
&_POSIX_Message_queue_Information, &the_mq->Object );
}
/*
* _POSIX_Message_queue_Get
*/
RTEMS_INLINE_ROUTINE POSIX_Message_queue_Control *_POSIX_Message_queue_Get (
Objects_Id id,
Objects_Locations *location
)
{
return (POSIX_Message_queue_Control *)
_Objects_Get( &_POSIX_Message_queue_Information, id, location );
}
/*
* _POSIX_Message_queue_Get_fd
*/
RTEMS_INLINE_ROUTINE POSIX_Message_queue_Control_fd *_POSIX_Message_queue_Get_fd (
mqd_t id,
Objects_Locations *location
)
{
return (POSIX_Message_queue_Control_fd *) _Objects_Get(
&_POSIX_Message_queue_Information_fds,
(Objects_Id)id,
location
);
}
/*
* _POSIX_Message_queue_Is_null
*/
RTEMS_INLINE_ROUTINE bool _POSIX_Message_queue_Is_null (
POSIX_Message_queue_Control *the_mq
)
{
return !the_mq;
}
/*
* _POSIX_Message_queue_Priority_to_core
*/
RTEMS_INLINE_ROUTINE CORE_message_queue_Submit_types _POSIX_Message_queue_Priority_to_core(
unsigned int priority
)
{
return priority * -1;
}
/*
* _POSIX_Message_queue_Priority_from_core
*
* DESCRIPTION:
*
* XXX
*/
RTEMS_INLINE_ROUTINE unsigned int _POSIX_Message_queue_Priority_from_core(
CORE_message_queue_Submit_types priority
)
{
/* absolute value without a library dependency */
return ((priority >= 0) ? priority : -priority);
}
#endif
/* end of include file */
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