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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 /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 'c')
-rw-r--r--c/src/exec/rtems/ChangeLog7
-rw-r--r--c/src/exec/rtems/include/rtems/rtems/region.h15
-rw-r--r--c/src/exec/rtems/include/rtems/rtems/types.h7
-rw-r--r--c/src/exec/rtems/src/Makefile.am2
-rw-r--r--c/src/exec/rtems/src/regiongetinfo.c71
5 files changed, 101 insertions, 1 deletions
diff --git a/c/src/exec/rtems/ChangeLog b/c/src/exec/rtems/ChangeLog
index cf2f350f33..1ad3281142 100644
--- a/c/src/exec/rtems/ChangeLog
+++ b/c/src/exec/rtems/ChangeLog
@@ -1,3 +1,10 @@
+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.
+
2000-09-29 Stephan Merker <merker@decrc.abb.de>
* include/rtems/rtems/ratemon.h, src/ratemonperiod.c,
diff --git a/c/src/exec/rtems/include/rtems/rtems/region.h b/c/src/exec/rtems/include/rtems/rtems/region.h
index f8e4bd6512..aa8dae884a 100644
--- a/c/src/exec/rtems/include/rtems/rtems/region.h
+++ b/c/src/exec/rtems/include/rtems/rtems/region.h
@@ -129,6 +129,21 @@ rtems_status_code rtems_region_ident(
);
/*
+ * rtems_region_ident
+ *
+ * DESCRIPTION:
+ *
+ * This routine implements the rtems_region_get_information directive.
+ * This directive returns information about the heap associated with
+ * this region.
+ */
+
+rtems_status_code rtems_region_get_information(
+ Objects_Id id,
+ Heap_Information_block *the_info
+);
+
+/*
* rtems_region_delete
*
* DESCRIPTION:
diff --git a/c/src/exec/rtems/include/rtems/rtems/types.h b/c/src/exec/rtems/include/rtems/rtems/types.h
index dbaabe5f1d..dbaad4f880 100644
--- a/c/src/exec/rtems/include/rtems/rtems/types.h
+++ b/c/src/exec/rtems/include/rtems/rtems/types.h
@@ -19,6 +19,7 @@
extern "C" {
#endif
+#include <rtems/score/heap.h>
#include <rtems/score/object.h>
#include <rtems/score/priority.h>
#include <rtems/score/tod.h>
@@ -62,6 +63,12 @@ typedef Context_Control_fp rtems_context_fp;
typedef CPU_Interrupt_frame rtems_interrupt_frame;
/*
+ * Region information block
+ */
+
+typedef Heap_Information_block region_information_block;
+
+/*
* Time related
*/
diff --git a/c/src/exec/rtems/src/Makefile.am b/c/src/exec/rtems/src/Makefile.am
index 5682679033..f6ec0adecd 100644
--- a/c/src/exec/rtems/src/Makefile.am
+++ b/c/src/exec/rtems/src/Makefile.am
@@ -43,7 +43,7 @@ SIGNAL_C_FILES = signal.c signalcatch.c signalsend.c
REGION_C_FILES = region.c regioncreate.c regiondelete.c regionextend.c \
regiongetsegment.c regiongetsegmentsize.c regionident.c \
- regionreturnsegment.c
+ regionreturnsegment.c regiongetinfo.c
PARTITION_C_FILES = part.c partcreate.c partdelete.c partgetbuffer.c \
partident.c partreturnbuffer.c
diff --git a/c/src/exec/rtems/src/regiongetinfo.c b/c/src/exec/rtems/src/regiongetinfo.c
new file mode 100644
index 0000000000..597ef38b7e
--- /dev/null
+++ b/c/src/exec/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 */
+}