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+/* region.inl
+ *
+ * This file contains the macro implementation of the inlined
+ * routines from the Region Manager.
+ *
+ * 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 __REGION_inl
+#define __REGION_inl
+
+/*PAGE
+ *
+ * _Region_Allocate
+ *
+ * DESCRIPTION:
+ *
+ * This function allocates a region control block from
+ * the inactive chain of free region control blocks.
+ */
+
+STATIC INLINE Region_Control *_Region_Allocate( void )
+{
+ return (Region_Control *) _Objects_Allocate( &_Region_Information );
+}
+
+/*PAGE
+ *
+ * _Region_Free
+ *
+ * DESCRIPTION:
+ *
+ * This routine frees a region control block to the
+ * inactive chain of free region control blocks.
+ */
+
+STATIC INLINE void _Region_Free (
+ Region_Control *the_region
+)
+{
+ _Objects_Free( &_Region_Information, &the_region->Object );
+}
+
+/*PAGE
+ *
+ * _Region_Get
+ *
+ * DESCRIPTION:
+ *
+ * This function maps region IDs to region control blocks.
+ * If ID corresponds to a local region, then it returns
+ * the_region control pointer which maps to ID and location
+ * is set to OBJECTS_LOCAL. Otherwise, location is set
+ * to OBJECTS_ERROR and the_region is undefined.
+ */
+
+STATIC INLINE Region_Control *_Region_Get (
+ Objects_Id id,
+ Objects_Locations *location
+)
+{
+ return (Region_Control *)
+ _Objects_Get( &_Region_Information, id, location );
+}
+
+/*PAGE
+ *
+ * _Region_Allocate_segment
+ *
+ * DESCRIPTION:
+ *
+ * This function attempts to allocate a segment from the_region.
+ * If successful, it returns the address of the allocated segment.
+ * Otherwise, it returns NULL.
+ */
+
+STATIC INLINE void *_Region_Allocate_segment (
+ Region_Control *the_region,
+ unsigned32 size
+)
+{
+ return _Heap_Allocate( &the_region->Memory, size );
+}
+
+/*PAGE
+ *
+ * _Region_Free_segment
+ *
+ * DESCRIPTION:
+ *
+ * This function frees the_segment to the_region.
+ */
+
+STATIC INLINE boolean _Region_Free_segment (
+ Region_Control *the_region,
+ void *the_segment
+)
+{
+ return _Heap_Free( &the_region->Memory, the_segment );
+}
+
+/*PAGE
+ *
+ * _Region_Is_null
+ *
+ * DESCRIPTION:
+ *
+ * This function returns TRUE if the_region is NULL and FALSE otherwise.
+ */
+
+STATIC INLINE boolean _Region_Is_null (
+ Region_Control *the_region
+)
+{
+ return ( the_region == NULL );
+}
+
+#endif
+/* end of include file */