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/*  inline/dpmem.inl
 *
 *  This include file contains the inline routine used in conjunction
 *  with the Dual Ported Memory 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: dpmem.inl,v 1.2 2001-09-27 11:59:18 chris Exp $
 */
 
#ifndef __INLINE_DPMEM_inl
#define __INLINE_DPMEM_inl
 
 
/*PAGE
 *
 *  _Dual_ported_memory_Allocate
 *
 *  DESCRIPTION:
 *
 *  This routine allocates a port control block from the inactive chain
 *  of free port control blocks.
 */
 
RTEMS_INLINE_ROUTINE Dual_ported_memory_Control
   *_Dual_ported_memory_Allocate ( void )
{
  return (Dual_ported_memory_Control *)
     _Objects_Allocate( &_Dual_ported_memory_Information );
}
 
/*PAGE
 *
 *  _Dual_ported_memory_Free
 *
 *  DESCRIPTION:
 *
 *  This routine frees a port control block to the inactive chain
 *  of free port control blocks.
 */
 
RTEMS_INLINE_ROUTINE void _Dual_ported_memory_Free (
   Dual_ported_memory_Control *the_port
)
{
  _Objects_Free( &_Dual_ported_memory_Information, &the_port->Object );
}
 
/*PAGE
 *
 *  _Dual_ported_memory_Get
 *
 *  DESCRIPTION:
 *
 *  This function maps port IDs to port control blocks.  If ID
 *  corresponds to a local port, then it returns the_port control
 *  pointer which maps to ID and location is set to OBJECTS_LOCAL.
 *  Global ports are not supported, thus if ID  does not map to a
 *  local port, location is set to OBJECTS_ERROR and the_port is
 *  undefined.
 */
 
RTEMS_INLINE_ROUTINE Dual_ported_memory_Control *_Dual_ported_memory_Get (
  Objects_Id         id,
  Objects_Locations *location
)
{
  return (Dual_ported_memory_Control *)
     _Objects_Get( &_Dual_ported_memory_Information, id, location );
}
 
/*PAGE
 *
 *  _Dual_ported_memory_Is_null
 *
 *  DESCRIPTION:
 *
 *  This function returns TRUE if the_port is NULL and FALSE otherwise.
 */
 
RTEMS_INLINE_ROUTINE boolean _Dual_ported_memory_Is_null(
  Dual_ported_memory_Control *the_port
)
{
  return ( the_port == NULL );
}
 
#endif
/* end of include file */

Line No.	Rev	Author	Line
1	30	unneback	`/* inline/dpmem.inl`
2			`*`
3			`* This include file contains the inline routine used in conjunction`
4			`* with the Dual Ported Memory Manager`
5			`*`
6			`* COPYRIGHT (c) 1989-1999.`
7			`* On-Line Applications Research Corporation (OAR).`
8			`*`
9			`* The license and distribution terms for this file may be`
10			`* found in the file LICENSE in this distribution or at`
11			`* http://www.OARcorp.com/rtems/license.html.`
12			`*`
13			`* $Id: dpmem.inl,v 1.2 2001-09-27 11:59:18 chris Exp $`
14			`*/`
15
16			`#ifndef __INLINE_DPMEM_inl`
17			`#define __INLINE_DPMEM_inl`
18
19
20			`/*PAGE`
21			`*`
22			`* _Dual_ported_memory_Allocate`
23			`*`
24			`* DESCRIPTION:`
25			`*`
26			`* This routine allocates a port control block from the inactive chain`
27			`* of free port control blocks.`
28			`*/`
29
30			`RTEMS_INLINE_ROUTINE Dual_ported_memory_Control`
31			`*_Dual_ported_memory_Allocate ( void )`
32			`{`
33			`return (Dual_ported_memory_Control *)`
34			`_Objects_Allocate( &_Dual_ported_memory_Information );`
35			`}`
36
37			`/*PAGE`
38			`*`
39			`* _Dual_ported_memory_Free`
40			`*`
41			`* DESCRIPTION:`
42			`*`
43			`* This routine frees a port control block to the inactive chain`
44			`* of free port control blocks.`
45			`*/`
46
47			`RTEMS_INLINE_ROUTINE void _Dual_ported_memory_Free (`
48			`Dual_ported_memory_Control *the_port`
49			`)`
50			`{`
51			`_Objects_Free( &_Dual_ported_memory_Information, &the_port->Object );`
52			`}`
53
54			`/*PAGE`
55			`*`
56			`* _Dual_ported_memory_Get`
57			`*`
58			`* DESCRIPTION:`
59			`*`
60			`* This function maps port IDs to port control blocks. If ID`
61			`* corresponds to a local port, then it returns the_port control`
62			`* pointer which maps to ID and location is set to OBJECTS_LOCAL.`
63			`* Global ports are not supported, thus if ID does not map to a`
64			`* local port, location is set to OBJECTS_ERROR and the_port is`
65			`* undefined.`
66			`*/`
67
68			`RTEMS_INLINE_ROUTINE Dual_ported_memory_Control *_Dual_ported_memory_Get (`
69			`Objects_Id id,`
70			`Objects_Locations *location`
71			`)`
72			`{`
73			`return (Dual_ported_memory_Control *)`
74			`_Objects_Get( &_Dual_ported_memory_Information, id, location );`
75			`}`
76
77			`/*PAGE`
78			`*`
79			`* _Dual_ported_memory_Is_null`
80			`*`
81			`* DESCRIPTION:`
82			`*`
83			`* This function returns TRUE if the_port is NULL and FALSE otherwise.`
84			`*/`
85
86			`RTEMS_INLINE_ROUTINE boolean _Dual_ported_memory_Is_null(`
87			`Dual_ported_memory_Control *the_port`
88			`)`
89			`{`
90			`return ( the_port == NULL );`
91			`}`
92
93			`#endif`
94			`/* end of include file */`

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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [rtems/] [inline/] [rtems/] [rtems/] [dpmem.inl] - Blame information for rev 30