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@c

@c  COPYRIGHT (c) 1988-2002.

@c  On-Line Applications Research Corporation (OAR).

@c  All rights reserved.

@c

@c  This is the chapter from the RTEMS ITRON User's Guide that

@c  documents the services provided by the interrupt

@c  manager.

@c

@c  interrupt.t,v 1.9 2002/01/17 21:47:45 joel Exp

@c

@chapter Interrupt Manager

@section Introduction

The

interrupt manager is ...

The services provided by the interrupt manager are:

@itemize @bullet

@item @code{def_int} - Define Interrupt Handler

@item @code{ret_int} - Return from Interrupt Handler

@item @code{ret_wup} - Return and Wakeup Task

@item @code{loc_cpu} - Lock CPU

@item @code{unl_cpu} - Unlock CPU

@item @code{dis_int} - Disable Interrupt

@item @code{ena_int} - Enable Interrupt

@item @code{chg_iXX} - Change Interrupt Mask(Level or Priority)

@item @code{ref_iXX} - Reference Interrupt Mask(Level or Priority)

@end itemize

@section Background

@section Operations

@section System Calls

This section details the interrupt manager's services.

A subsection is dedicated to each of this manager's services

and describes the calling sequence, related constants, usage,

and status codes.

@c

@c  def_int

@c

@page

@subsection def_int - Define Interrupt Handler

@subheading CALLING SEQUENCE:

@ifset is-C

@example

ER def_int(

  UINT dintno,

  T_DINT *pk_dint

);

@end example

@end ifset

@ifset is-Ada

@end ifset

@subheading STATUS CODES:

@code{EXXX} -

@subheading DESCRIPTION:

@subheading NOTES:

@c

@c  ret_int

@c

@page

@subsection ret_int - Return from Interrupt Handler

@subheading CALLING SEQUENCE:

@ifset is-C

@example

void ret_int(

);

@end example

@end ifset

@ifset is-Ada

@end ifset

@subheading STATUS CODES:

@code{EXXX} -

@subheading DESCRIPTION:

@subheading NOTES:

@c

@c  ret_wup

@c

@page

@subsection ret_wup - Return and Wakeup Task

@subheading CALLING SEQUENCE:

@ifset is-C

@example

void ret_wup(

  ID tskid

);

@end example

@end ifset

@ifset is-Ada

@end ifset

@subheading STATUS CODES:

@code{EXXX} -

@subheading DESCRIPTION:

@subheading NOTES:

@c

@c  loc_cpu

@c

@page

@subsection loc_cpu - Lock CPU

@subheading CALLING SEQUENCE:

@ifset is-C

@example

ER loc_cpu(

);

@end example

@end ifset

@ifset is-Ada

@end ifset

@subheading STATUS CODES:

@code{EXXX} -

@subheading DESCRIPTION:

@subheading NOTES:

@c

@c  unl_cpu

@c

@page

@subsection unl_cpu - Unlock CPU

@subheading CALLING SEQUENCE:

@ifset is-C

@example

ER unl_cpu(

);

@end example

@end ifset

@ifset is-Ada

@end ifset

@subheading STATUS CODES:

@code{EXXX} -

@subheading DESCRIPTION:

@subheading NOTES:

@c

@c  dis_int

@c

@page

@subsection dis_int - Disable Interrupt

@subheading CALLING SEQUENCE:

@ifset is-C

@example

ER dis_int(

  UINT eintno

);

@end example

@end ifset

@ifset is-Ada

@end ifset

@subheading STATUS CODES:

@code{EXXX} -

@subheading DESCRIPTION:

@subheading NOTES:

@c

@c  ena_int

@c

@page

@subsection ena_int - Enable Interrupt

@subheading CALLING SEQUENCE:

@ifset is-C

@example

ER ena_int(

  UINT eintno

);

@end example

@end ifset

@ifset is-Ada

@end ifset

@subheading STATUS CODES:

@code{EXXX} -

@subheading DESCRIPTION:

@subheading NOTES:

@c

@c  chg_iXX

@c

@page

@subsection chg_iXX - Change Interrupt Mask(Level or Priority)

@subheading CALLING SEQUENCE:

@ifset is-C

@example

ER chg_iXX(

  UINT iXXXX

);

@end example

@end ifset

@ifset is-Ada

@end ifset

@subheading STATUS CODES:

@code{EXXX} -

@subheading DESCRIPTION:

@subheading NOTES:

@c

@c  ref_iXX

@c

@page

@subsection ref_iXX - Reference Interrupt Mask(Level or Priority)

@subheading CALLING SEQUENCE:

@ifset is-C

@example

ER ref_iXX(

  UINT *p_iXXXX

);

@end example

@end ifset

@ifset is-Ada

@end ifset

@subheading STATUS CODES:

@code{EXXX} -

@subheading DESCRIPTION:

@subheading NOTES: