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/**
* @file rtems/rtems/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) 1989-2008.
* 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_RTEMS_ASR_H
#define _RTEMS_RTEMS_ASR_H
#include <rtems/rtems/modes.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @defgroup ClassicASR ASR Support
*
* @ingroup ClassicRTEMS
*
* This encapsulates functionality which XXX
*/
/**@{*/
/**
* The following type defines the control block used to manage
* each signal set.
*/
typedef uint32_t 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 {
/** This field indicates if are ASRs enabled currently. */
bool is_enabled;
/** This field indicates if address of the signal handler function. */
rtems_asr_entry handler;
/** This field indicates if the task mode the signal will run with. */
Modes_Control mode_set;
/** This field indicates the signal set that is posted. */
rtems_signal_set signals_posted;
/** This field indicates the signal set that is pending. */
rtems_signal_set signals_pending;
/** This field indicates if nest level of signals being processed */
uint32_t nest_level;
} ASR_Information;
/*
* The following constants define the individual signals which may
* be used to compose a signal set.
*/
/** This defines the bit in the signal set associated with signal 0. */
#define RTEMS_SIGNAL_0 0x00000001
/** This defines the bit in the signal set associated with signal 1. */
#define RTEMS_SIGNAL_1 0x00000002
/** This defines the bit in the signal set associated with signal 2. */
#define RTEMS_SIGNAL_2 0x00000004
/** This defines the bit in the signal set associated with signal 3. */
#define RTEMS_SIGNAL_3 0x00000008
/** This defines the bit in the signal set associated with signal 4. */
#define RTEMS_SIGNAL_4 0x00000010
/** This defines the bit in the signal set associated with signal 5. */
#define RTEMS_SIGNAL_5 0x00000020
/** This defines the bit in the signal set associated with signal 6. */
#define RTEMS_SIGNAL_6 0x00000040
/** This defines the bit in the signal set associated with signal 7. */
#define RTEMS_SIGNAL_7 0x00000080
/** This defines the bit in the signal set associated with signal 8. */
#define RTEMS_SIGNAL_8 0x00000100
/** This defines the bit in the signal set associated with signal 9. */
#define RTEMS_SIGNAL_9 0x00000200
/** This defines the bit in the signal set associated with signal 10. */
#define RTEMS_SIGNAL_10 0x00000400
/** This defines the bit in the signal set associated with signal 11. */
#define RTEMS_SIGNAL_11 0x00000800
/** This defines the bit in the signal set associated with signal 12. */
#define RTEMS_SIGNAL_12 0x00001000
/** This defines the bit in the signal set associated with signal 13. */
#define RTEMS_SIGNAL_13 0x00002000
/** This defines the bit in the signal set associated with signal 14. */
#define RTEMS_SIGNAL_14 0x00004000
/** This defines the bit in the signal set associated with signal 15. */
#define RTEMS_SIGNAL_15 0x00008000
/** This defines the bit in the signal set associated with signal 16. */
#define RTEMS_SIGNAL_16 0x00010000
/** This defines the bit in the signal set associated with signal 17. */
#define RTEMS_SIGNAL_17 0x00020000
/** This defines the bit in the signal set associated with signal 18. */
#define RTEMS_SIGNAL_18 0x00040000
/** This defines the bit in the signal set associated with signal 19. */
#define RTEMS_SIGNAL_19 0x00080000
/** This defines the bit in the signal set associated with signal 20. */
#define RTEMS_SIGNAL_20 0x00100000
/** This defines the bit in the signal set associated with signal 21. */
#define RTEMS_SIGNAL_21 0x00200000
/** This defines the bit in the signal set associated with signal 22. */
#define RTEMS_SIGNAL_22 0x00400000
/** This defines the bit in the signal set associated with signal 23. */
#define RTEMS_SIGNAL_23 0x00800000
/** This defines the bit in the signal set associated with signal 24. */
#define RTEMS_SIGNAL_24 0x01000000
/** This defines the bit in the signal set associated with signal 25. */
#define RTEMS_SIGNAL_25 0x02000000
/** This defines the bit in the signal set associated with signal 26. */
#define RTEMS_SIGNAL_26 0x04000000
/** This defines the bit in the signal set associated with signal 27. */
#define RTEMS_SIGNAL_27 0x08000000
/** This defines the bit in the signal set associated with signal 28. */
#define RTEMS_SIGNAL_28 0x10000000
/** This defines the bit in the signal set associated with signal 29. */
#define RTEMS_SIGNAL_29 0x20000000
/** This defines the bit in the signal set associated with signal 30. */
#define RTEMS_SIGNAL_30 0x40000000
/** This defines the bit in the signal set associated with signal 31. */
#define RTEMS_SIGNAL_31 0x80000000
#ifndef __RTEMS_APPLICATION__
#include <rtems/rtems/asr.inl>
#endif
#ifdef __cplusplus
}
#endif
/**@}*/
#endif
/* end of include file */
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