diff options
author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1995-05-11 17:39:37 +0000 |
---|---|---|
committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1995-05-11 17:39:37 +0000 |
commit | ac7d5ef06a6d6e8d84abbd1f0b82162725f98326 (patch) | |
tree | 9304cf759a73f2a1c6fd3191948f00e870af3787 /c/src/exec/score/headers/wkspace.h | |
download | rtems-ac7d5ef06a6d6e8d84abbd1f0b82162725f98326.tar.bz2 |
Initial revision
Diffstat (limited to 'c/src/exec/score/headers/wkspace.h')
-rw-r--r-- | c/src/exec/score/headers/wkspace.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/c/src/exec/score/headers/wkspace.h b/c/src/exec/score/headers/wkspace.h new file mode 100644 index 0000000000..14bc090291 --- /dev/null +++ b/c/src/exec/score/headers/wkspace.h @@ -0,0 +1,99 @@ +/* wkspace.h + * + * This include file contains information related to the RTEMS + * RAM Workspace. This Handler provides mechanisms which can be used to + * define, initialize and manipulate the RTEMS workspace. + * + * 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_WORKSPACE_h +#define __RTEMS_WORKSPACE_h + +#ifdef __cplusplus +extern "C" { +#endif + +#include <rtems/heap.h> +#include <rtems/fatal.h> +#include <rtems/status.h> + +/* + * The following is used to manage the RTEMS Workspace. + * + */ + +EXTERN Heap_Control _Workspace_Area; /* executive heap header */ + +/* + * _Workspace_Handler_initialization + * + * DESCRIPTION: + * + * This routine performs the initialization necessary for this handler. + */ + +STATIC INLINE void _Workspace_Handler_initialization( + void *starting_address, + unsigned32 size +); + +/* + * _Workspace_Allocate + * + * DESCRIPTION: + * + * This routine returns the address of a block of memory of size + * bytes. If a block of the appropriate size cannot be allocated + * from the workspace, then NULL is returned. + */ + +STATIC INLINE void *_Workspace_Allocate( + unsigned32 size +); + +/* + * _Workspace_Allocate_or_fatal_error + * + * DESCRIPTION: + * + * This routine returns the address of a block of memory of size + * bytes. If a block of the appropriate size cannot be allocated + * from the workspace, then the rtems_fatal_error_occurred directive + * is invoked. + */ + +STATIC INLINE void *_Workspace_Allocate_or_fatal_error( + unsigned32 size +); + +/* + * _Workspace_Free + * + * DESCRIPTION: + * + * This function frees the specified block of memory. If the block + * belongs to the Workspace and can be successfully freed, then + * TRUE is returned. Otherwise FALSE is returned. + */ + +STATIC INLINE boolean _Workspace_Free( + void *block +); + +#include <rtems/wkspace.inl> + +#ifdef __cplusplus +} +#endif + +#endif +/* end of include file */ |