/**
 * @file
 * 
 * @brief Inlined Routines from the POSIX Spinlock Manager
 *
 * This file contains the static inlin implementation of the inlined
 * routines from the POSIX Spinlock Manager.
 */

/*
 *  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_SPINLOCKIMPL_H
#define _RTEMS_POSIX_SPINLOCKIMPL_H

#include <rtems/posix/spinlock.h>
#include <rtems/score/corespinlockimpl.h>
#include <rtems/score/objectimpl.h>

#include <pthread.h>

#ifdef __cplusplus
extern "C" {
#endif

/**
 * The following defines the information control block used to manage
 * this class of objects.
 */

extern Objects_Information _POSIX_Spinlock_Information;

/**
 * @brief Allocate a spinlock control block.
 *
 * This function allocates a spinlock control block from
 * the inactive chain of free spinlock control blocks.
 */
RTEMS_INLINE_ROUTINE POSIX_Spinlock_Control *_POSIX_Spinlock_Allocate( void )
{
  return (POSIX_Spinlock_Control *) 
    _Objects_Allocate( &_POSIX_Spinlock_Information );
}

/**
 * @brief Free a spinlock control block.
 *
 * This routine frees a spinlock control block to the
 * inactive chain of free spinlock control blocks.
 */
RTEMS_INLINE_ROUTINE void _POSIX_Spinlock_Free (
  POSIX_Spinlock_Control *the_spinlock
)
{
  _Objects_Free( &_POSIX_Spinlock_Information, &the_spinlock->Object );
}

RTEMS_INLINE_ROUTINE POSIX_Spinlock_Control *_POSIX_Spinlock_Get(
  pthread_spinlock_t *spinlock,
  ISR_lock_Context   *lock_context
)
{
  if ( spinlock == NULL ) {
    return NULL;
  }

  return (POSIX_Spinlock_Control *) _Objects_Get(
    *spinlock,
    lock_context,
    &_POSIX_Spinlock_Information
  );
}

#ifdef __cplusplus
}
#endif

#endif
/*  end of include file */