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diff --git a/cpukit/rtems/include/rtems/rtems/intr.h b/cpukit/rtems/include/rtems/rtems/intr.h
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+/* intr.h
+ *
+ * This include file contains all the constants and structures associated
+ * with the Interrupt Manager.
+ *
+ * COPYRIGHT (c) 1989-1997.
+ * On-Line Applications Research Corporation (OAR).
+ * Copyright assigned to U.S. Government, 1994.
+ *
+ * The license and distribution terms for this file may in
+ * the file LICENSE in this distribution or at
+ * http://www.OARcorp.com/rtems/license.html.
+ *
+ * $Id$
+ */
+
+#ifndef __RTEMS_INTERRUPT_h
+#define __RTEMS_INTERRUPT_h
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <rtems/score/isr.h>
+
+/*
+ * Interrupt level type
+ */
+
+typedef ISR_Level rtems_interrupt_level;
+
+/*
+ * The following type defines the control block used to manage
+ * the vectors.
+ */
+
+typedef ISR_Vector_number rtems_vector_number;
+
+/*
+ * Return type for ISR Handler
+ */
+
+typedef void rtems_isr;
+
+/*
+ * Pointer to an ISR Handler
+ */
+
+typedef rtems_isr ( *rtems_isr_entry )(
+ rtems_vector_number
+ );
+
+/*
+ * _Interrupt_Manager_initialization
+ *
+ * DESCRIPTION:
+ *
+ * This routine initializes the interrupt manager.
+ *
+ */
+
+void _Interrupt_Manager_initialization( void );
+
+/*
+ * rtems_interrupt_catch
+ *
+ * DESCRIPTION:
+ *
+ * This routine implements the rtems_interrupt_catch directive. This
+ * directive installs new_isr_handler as the RTEMS interrupt service
+ * routine for vector. The previous RTEMS interrupt service
+ * routine is returned in old_isr_handler.
+ */
+
+rtems_status_code rtems_interrupt_catch(
+ rtems_isr_entry new_isr_handler,
+ rtems_vector_number vector,
+ rtems_isr_entry *old_isr_handler
+);
+
+/*
+ * rtems_interrupt_disable
+ *
+ * DESCRIPTION:
+ *
+ * This routine disables all maskable interrupts and returns the
+ * previous level in _isr_cookie.
+ */
+
+#define rtems_interrupt_disable( _isr_cookie ) \
+ _ISR_Disable(_isr_cookie)
+
+/*
+ * rtems_interrupt_enable
+ *
+ * DESCRIPTION:
+ *
+ * This routine enables maskable interrupts to the level indicated
+ * _isr_cookie.
+ */
+
+#define rtems_interrupt_enable( _isr_cookie ) \
+ _ISR_Enable(_isr_cookie)
+
+/*
+ * rtems_interrupt_flash
+ *
+ * DESCRIPTION:
+ *
+ * This routine temporarily enables maskable interrupts to the
+ * level in _isr_cookie before redisabling them.
+ */
+
+#define rtems_interrupt_flash( _isr_cookie ) \
+ _ISR_Flash(_isr_cookie)
+
+/*
+ * rtems_interrupt_is_in_progress
+ *
+ * DESCRIPTION:
+ *
+ * This function returns TRUE if the processor is currently servicing
+ * and interrupt and FALSE otherwise. A return value of TRUE indicates
+ * that the caller is an interrupt service routine, NOT a thread. The
+ * directives available to an interrupt service routine are restricted.
+ */
+
+#define rtems_interrupt_is_in_progress() \
+ _ISR_Is_in_progress()
+
+/*
+ * rtems_interrupt_cause
+ *
+ * DESCRIPTION:
+ *
+ * This routine generates an interrupt.
+ *
+ * NOTE: No implementation.
+ */
+
+#define rtems_interrupt_cause( _interrupt_to_cause )
+
+/*
+ * rtems_interrupt_cause
+ *
+ * DESCRIPTION:
+ *
+ * This routine clears the specified interrupt.
+ *
+ * NOTE: No implementation.
+ */
+
+#define rtems_interrupt_clear( _interrupt_to_clear )
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/* end of include file */