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/*  asr.h

 *

 *  This include file contains all the constants and structures associated

 *  with the Asynchronous Signal Handler.  This Handler provides the low-level

 *  support required by the Signal Manager.

 *

 *  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.h,v 1.2 2001-09-27 11:59:18 chris Exp $

 */

#ifndef __RTEMS_ASR_h

#define __RTEMS_ASR_h

#ifdef __cplusplus

extern "C" {

#endif

#include <rtems/rtems/modes.h>

/*

 *

 *  The following type defines the control block used to manage

 *  each signal set.

 */

typedef unsigned32 rtems_signal_set;

/*

 *  Return type for ASR Handler

 */

typedef void rtems_asr;

/*

 *  The following type corresponds to the applications asynchronous

 *  signal processing routine.

 */

typedef rtems_asr ( *rtems_asr_entry )(

                 rtems_signal_set

             );

/*

 *

 *  The following defines the control structure used to manage

 *  signals.  Each thread has a copy of this record.

 */

typedef struct {

  boolean           is_enabled;       /* are ASRs enabled currently? */

  rtems_asr_entry   handler;          /* address of RTEMS_ASR */

  Modes_Control     mode_set;         /* RTEMS_ASR mode */

  rtems_signal_set  signals_posted;   /* signal set */

  rtems_signal_set  signals_pending;  /* pending signal set */

  unsigned32        nest_level;       /* nest level of RTEMS_ASR */

}   ASR_Information;

/*

 *  The following constants define the individual signals which may

 *  be used to compose a signal set.

 */

#define RTEMS_SIGNAL_0    0x00000001

#define RTEMS_SIGNAL_1    0x00000002

#define RTEMS_SIGNAL_2    0x00000004

#define RTEMS_SIGNAL_3    0x00000008

#define RTEMS_SIGNAL_4    0x00000010

#define RTEMS_SIGNAL_5    0x00000020

#define RTEMS_SIGNAL_6    0x00000040

#define RTEMS_SIGNAL_7    0x00000080

#define RTEMS_SIGNAL_8    0x00000100

#define RTEMS_SIGNAL_9    0x00000200

#define RTEMS_SIGNAL_10   0x00000400

#define RTEMS_SIGNAL_11   0x00000800

#define RTEMS_SIGNAL_12   0x00001000

#define RTEMS_SIGNAL_13   0x00002000

#define RTEMS_SIGNAL_14   0x00004000

#define RTEMS_SIGNAL_15   0x00008000

#define RTEMS_SIGNAL_16   0x00010000

#define RTEMS_SIGNAL_17   0x00020000

#define RTEMS_SIGNAL_18   0x00040000

#define RTEMS_SIGNAL_19   0x00080000

#define RTEMS_SIGNAL_20   0x00100000

#define RTEMS_SIGNAL_21   0x00200000

#define RTEMS_SIGNAL_22   0x00400000

#define RTEMS_SIGNAL_23   0x00800000

#define RTEMS_SIGNAL_24   0x01000000

#define RTEMS_SIGNAL_25   0x02000000

#define RTEMS_SIGNAL_26   0x04000000

#define RTEMS_SIGNAL_27   0x08000000

#define RTEMS_SIGNAL_28   0x10000000

#define RTEMS_SIGNAL_29   0x20000000

#define RTEMS_SIGNAL_30   0x40000000

#define RTEMS_SIGNAL_31   0x80000000

#ifndef __RTEMS_APPLICATION__

#include <rtems/rtems/asr.inl>

#endif

#ifdef __cplusplus

}

#endif

#endif

/* end of include file */