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/* wkspace.inl
*
* This include file contains the bodies of the routines which contains
* information related to the RAM 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_inl
#define __WORKSPACE_inl
/*PAGE
*
* _Workspace_Handler_initialization
*
* DESCRIPTION:
*
* This routine performs the initialization necessary for this handler.
*/
STATIC INLINE void _Workspace_Handler_initialization(
void *starting_address,
unsigned32 size
)
{
unsigned32 *zero_out_array;
unsigned32 index;
unsigned32 memory_available;
if ( !starting_address || !_Addresses_Is_aligned( starting_address ) )
_Internal_error_Occurred(
INTERNAL_ERROR_CORE,
TRUE,
INTERNAL_ERROR_INVALID_WORKSPACE_ADDRESS
);
if ( _CPU_Table.do_zero_of_workspace ) {
for( zero_out_array = (unsigned32 *) starting_address, index = 0 ;
index < size / 4 ;
index++ )
zero_out_array[ index ] = 0;
}
memory_available = _Heap_Initialize(
&_Workspace_Area,
starting_address,
size,
CPU_HEAP_ALIGNMENT
);
if ( memory_available == 0 )
_Internal_error_Occurred(
INTERNAL_ERROR_CORE,
TRUE,
INTERNAL_ERROR_TOO_LITTLE_WORKSPACE
);
}
/*PAGE
*
* _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
)
{
return _Heap_Allocate( &_Workspace_Area, size );
}
/*PAGE
*
* _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
)
{
return _Heap_Free( &_Workspace_Area, block );
}
#endif
/* end of include file */
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