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diff --git a/c/src/exec/rtems/include/rtems/rtems/eventset.h b/c/src/exec/rtems/include/rtems/rtems/eventset.h
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index 0000000000..a25dabe58b
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+++ b/c/src/exec/rtems/include/rtems/rtems/eventset.h
@@ -0,0 +1,142 @@
+/* eventset.h
+ *
+ * This include file contains the information pertaining to the
+ * Event Sets Handler. This handler provides methods for the manipulation
+ * of event sets which will be sent and received by tasks.
+ *
+ * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
+ * On-Line Applications Research Corporation (OAR).
+ * All rights assigned to U.S. Government, 1994.
+ *
+ * This material may be reproduced by or for the U.S. Government pursuant
+ * to the copyright license under the clause at DFARS 252.227-7013. This
+ * notice must appear in all copies of this file and its derivatives.
+ *
+ * $Id$
+ */
+
+#ifndef __RTEMS_EVENT_SET_h
+#define __RTEMS_EVENT_SET_h
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * The following defines the type used to control event sets.
+ */
+
+typedef unsigned32 rtems_event_set;
+
+/*
+ * The following constants define the individual events which may
+ * be used to compose an event set.
+ */
+
+#define RTEMS_PENDING_EVENTS 0 /* receive pending events */
+#define RTEMS_ALL_EVENTS 0xFFFFFFFF
+
+#define RTEMS_EVENT_0 0x00000001
+#define RTEMS_EVENT_1 0x00000002
+#define RTEMS_EVENT_2 0x00000004
+#define RTEMS_EVENT_3 0x00000008
+#define RTEMS_EVENT_4 0x00000010
+#define RTEMS_EVENT_5 0x00000020
+#define RTEMS_EVENT_6 0x00000040
+#define RTEMS_EVENT_7 0x00000080
+#define RTEMS_EVENT_8 0x00000100
+#define RTEMS_EVENT_9 0x00000200
+#define RTEMS_EVENT_10 0x00000400
+#define RTEMS_EVENT_11 0x00000800
+#define RTEMS_EVENT_12 0x00001000
+#define RTEMS_EVENT_13 0x00002000
+#define RTEMS_EVENT_14 0x00004000
+#define RTEMS_EVENT_15 0x00008000
+#define RTEMS_EVENT_16 0x00010000
+#define RTEMS_EVENT_17 0x00020000
+#define RTEMS_EVENT_18 0x00040000
+#define RTEMS_EVENT_19 0x00080000
+#define RTEMS_EVENT_20 0x00100000
+#define RTEMS_EVENT_21 0x00200000
+#define RTEMS_EVENT_22 0x00400000
+#define RTEMS_EVENT_23 0x00800000
+#define RTEMS_EVENT_24 0x01000000
+#define RTEMS_EVENT_25 0x02000000
+#define RTEMS_EVENT_26 0x04000000
+#define RTEMS_EVENT_27 0x08000000
+#define RTEMS_EVENT_28 0x10000000
+#define RTEMS_EVENT_29 0x20000000
+#define RTEMS_EVENT_30 0x40000000
+#define RTEMS_EVENT_31 0x80000000
+
+
+/*
+ * The following constant is the value of an event set which
+ * has no events pending.
+ */
+
+#define EVENT_SETS_NONE_PENDING 0
+
+/*
+ * _Event_sets_Is_empty
+ *
+ * DESCRIPTION:
+ *
+ * This function returns TRUE if on events are posted in the event_set,
+ * and FALSE otherwise.
+ */
+
+STATIC INLINE boolean _Event_sets_Is_empty(
+ rtems_event_set the_event_set
+);
+
+/*
+ * _Event_sets_Post
+ *
+ * DESCRIPTION:
+ *
+ * This routine posts the given new_events into the event_set
+ * passed in. The result is returned to the user in event_set.
+ */
+
+STATIC INLINE void _Event_sets_Post(
+ rtems_event_set the_new_events,
+ rtems_event_set *the_event_set
+);
+
+/*
+ * _Event_sets_Get
+ *
+ * DESCRIPTION:
+ *
+ * This function returns the events in event_condition which are
+ * set in event_set.
+ */
+
+STATIC INLINE rtems_event_set _Event_sets_Get(
+ rtems_event_set the_event_set,
+ rtems_event_set the_event_condition
+);
+
+/*
+ * _Event_sets_Clear
+ *
+ * DESCRIPTION:
+ *
+ * This function removes the events in mask from the event_set
+ * passed in. The result is returned to the user in event_set.
+ */
+
+STATIC INLINE rtems_event_set _Event_sets_Clear(
+ rtems_event_set the_event_set,
+ rtems_event_set the_mask
+);
+
+#include <rtems/eventset.inl>
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/* end of include file */