From b541e1f8601c95c7952812ea8045cf2244848fd5 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Wed, 18 Oct 2000 14:59:18 +0000 Subject: 2000-10-18 Joel Sherrill * 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. --- c/src/exec/rtems/ChangeLog | 7 +++ c/src/exec/rtems/include/rtems/rtems/region.h | 15 ++++++ c/src/exec/rtems/include/rtems/rtems/types.h | 7 +++ c/src/exec/rtems/src/Makefile.am | 2 +- c/src/exec/rtems/src/regiongetinfo.c | 71 +++++++++++++++++++++++++++ 5 files changed, 101 insertions(+), 1 deletion(-) create mode 100644 c/src/exec/rtems/src/regiongetinfo.c (limited to 'c') 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 + + * 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 * 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 @@ -128,6 +128,21 @@ rtems_status_code rtems_region_ident( Objects_Id *id ); +/* + * 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 * 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 #include #include #include @@ -61,6 +62,12 @@ typedef Context_Control rtems_context; 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 +#include +#include +#include +#include +#include +#include +#include + +/*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 */ +} -- cgit v1.2.3