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/* wkspace.h
*
* This include file contains information related to the
* RAM Workspace. This Handler provides mechanisms which can be used to
* define, initialize and manipulate the 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 __WORKSPACE_h
#define __WORKSPACE_h
#ifdef __cplusplus
extern "C" {
#endif
#include <rtems/core/heap.h>
#include <rtems/core/interr.h>
/*
* The following is used to manage the 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 internal error handler is invoked.
*/
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/core/wkspace.inl>
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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