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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  $Id$
+@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:
+