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authorJoel Sherrill <joel.sherrill@OARcorp.com>2000-10-18 14:59:18 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>2000-10-18 14:59:18 +0000
commitb541e1f8601c95c7952812ea8045cf2244848fd5 (patch)
tree62c70794d3fc2133c18f26b5b5860bb6efe4bdba /cpukit/rtems/src/regiongetinfo.c
parent2000-10-18 Nick Simon <Nick.SIMON@syntegra.bt.co.uk> (diff)
downloadrtems-b541e1f8601c95c7952812ea8045cf2244848fd5.tar.bz2
2000-10-18 Joel Sherrill <joel@OARcorp.com>
* src/regiongetinfo.c, include/rtems/rtems/region.h, include/rtems/rtems/types.h, src/Makefile.am: Added region_get_information() and information control block. * src/regiongetinfo.c: New file.
Diffstat (limited to '')
-rw-r--r--cpukit/rtems/src/regiongetinfo.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/cpukit/rtems/src/regiongetinfo.c b/cpukit/rtems/src/regiongetinfo.c
new file mode 100644
index 0000000000..597ef38b7e
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+++ b/cpukit/rtems/src/regiongetinfo.c
@@ -0,0 +1,71 @@
+/*
+ * Region Manager
+ *
+ *
+ * COPYRIGHT (c) 1989-1999.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.OARcorp.com/rtems/license.html.
+ *
+ * $Id$
+ */
+
+#include <rtems/system.h>
+#include <rtems/rtems/status.h>
+#include <rtems/rtems/support.h>
+#include <rtems/score/object.h>
+#include <rtems/rtems/options.h>
+#include <rtems/rtems/region.h>
+#include <rtems/score/states.h>
+#include <rtems/score/thread.h>
+
+/*PAGE
+ *
+ * rtems_region_get_information
+ *
+ * This directive will return information about the region specified.
+ *
+ * Input parameters:
+ * id - region id
+ * the_info - pointer to region information block
+ *
+ * Output parameters:
+ * *the_info - region information block filled in
+ * RTEMS_SUCCESSFUL - if successful
+ * error code - if unsuccessful
+ */
+
+rtems_status_code rtems_region_get_information(
+ Objects_Id id,
+ Heap_Information_block *the_info
+)
+{
+ register Region_Control *the_region;
+ Objects_Locations location;
+ Thread_Control *executing;
+
+ if ( !the_info )
+ return RTEMS_INVALID_ADDRESS;
+
+ the_region = _Region_Get( id, &location );
+ switch ( location ) {
+ case OBJECTS_REMOTE: /* this error cannot be returned */
+ return RTEMS_INTERNAL_ERROR;
+
+ case OBJECTS_ERROR:
+ return RTEMS_INVALID_ID;
+
+ case OBJECTS_LOCAL:
+
+ if ( _Heap_Get_information( &the_region->Memory, the_info ) ) {
+ _Thread_Enable_dispatch();
+ return RTEMS_SUCCESSFUL;
+ }
+ _Thread_Enable_dispatch();
+ return RTEMS_INVALID_ADDRESS;
+ }
+
+ return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */
+}