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/*  macros/asr.h

 *

 *  This include file contains the implemenation of all routines

 *  associated with the asynchronous signal handler which are inlined.

 *

 *  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.OARcorp.com/rtems/license.html.

 *

 *  $Id: asr.inl,v 1.2 2001-09-27 11:59:19 chris Exp $

 */

#ifndef __INLINE_ASR_h

#define __INLINE_ASR_h

#include 

/*PAGE

 *

 *  _ASR_Initialize

 *

 */

#define _ASR_Initialize( _information ) \

{ \

  (_information)->is_enabled      = TRUE; \

  (_information)->handler         = NULL; \

  (_information)->mode_set        = RTEMS_DEFAULT_MODES; \

  (_information)->signals_posted  = 0; \

  (_information)->signals_pending = 0; \

  (_information)->nest_level      = 0; \

}

/*PAGE

 *

 *  _ASR_Swap_signals

 *

 */

#define _ASR_Swap_signals( _information ) \

{ \

  rtems_signal_set _signals; \

  ISR_Level              _level; \

   \

  _ISR_Disable( _level ); \

    _signals                        = (_information)->signals_pending; \

    (_information)->signals_pending = (_information)->signals_posted; \

    (_information)->signals_posted  = _signals; \

  _ISR_Enable( _level ); \

}

/*PAGE

 *

 *  _ASR_Is_null_handler

 *

 */

#define _ASR_Is_null_handler( _asr_handler ) \

  ( (_asr_handler) == NULL )

/*PAGE

 *

 *  _ASR_Are_signals_pending

 *

 */

#define _ASR_Are_signals_pending( _information ) \

 ( (_information)->signals_posted != 0 )

/*PAGE

 *

 *  _ASR_Post_signals

 *

 */

#define _ASR_Post_signals( _signals, _signal_set ) \

  do { \

     ISR_Level _level; \

     \

     _ISR_Disable( _level ); \

       *(_signal_set) |= (_signals); \

     _ISR_Enable( _level ); \

  } while ( 0 )

#endif

/* end of include file */