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/*  sem.inl
 *
 *  This file contains the static inlin implementation of the inlined
 *  routines from the Semaphore 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: sem.inl,v 1.2 2001-09-27 11:59:18 chris Exp $
 */
 
#ifndef __SEMAPHORE_inl
#define __SEMAPHORE_inl
 
/*PAGE
 *
 *  _Semaphore_Allocate
 *
 *  DESCRIPTION:
 *
 *  This function allocates a semaphore control block from
 *  the inactive chain of free semaphore control blocks.
 */
 
RTEMS_INLINE_ROUTINE Semaphore_Control *_Semaphore_Allocate( void )
{
  return (Semaphore_Control *) _Objects_Allocate( &_Semaphore_Information );
}
 
/*PAGE
 *
 *  _Semaphore_Free
 *
 *  DESCRIPTION:
 *
 *  This routine frees a semaphore control block to the
 *  inactive chain of free semaphore control blocks.
 */
 
RTEMS_INLINE_ROUTINE void _Semaphore_Free (
  Semaphore_Control *the_semaphore
)
{
  _Objects_Free( &_Semaphore_Information, &the_semaphore->Object );
}
 
/*PAGE
 *
 *  _Semaphore_Get
 *
 *  DESCRIPTION:
 *
 *  This function maps semaphore IDs to semaphore control blocks.
 *  If ID corresponds to a local semaphore, then it returns
 *  the_semaphore control pointer which maps to ID and location
 *  is set to OBJECTS_LOCAL.  if the semaphore ID is global and
 *  resides on a remote node, then location is set to OBJECTS_REMOTE,
 *  and the_semaphore is undefined.  Otherwise, location is set
 *  to OBJECTS_ERROR and the_semaphore is undefined.
 */
 
RTEMS_INLINE_ROUTINE Semaphore_Control *_Semaphore_Get (
  Objects_Id         id,
  Objects_Locations *location
)
{
  return (Semaphore_Control *)
    _Objects_Get( &_Semaphore_Information, id, location );
}
 
/*PAGE
 *
 *  _Semaphore_Is_null
 *
 *  DESCRIPTION:
 *
 *  This function returns TRUE if the_semaphore is NULL and FALSE otherwise.
 */
 
RTEMS_INLINE_ROUTINE boolean _Semaphore_Is_null (
  Semaphore_Control *the_semaphore
)
{
  return ( the_semaphore == NULL );
}
 
#endif
/*  end of include file */

Line No.	Rev	Author	Line
1	30	unneback	`/* sem.inl`
2			`*`
3			`* This file contains the static inlin implementation of the inlined`
4			`* routines from the Semaphore 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: sem.inl,v 1.2 2001-09-27 11:59:18 chris Exp $`
14			`*/`
15
16			`#ifndef __SEMAPHORE_inl`
17			`#define __SEMAPHORE_inl`
18
19			`/*PAGE`
20			`*`
21			`* _Semaphore_Allocate`
22			`*`
23			`* DESCRIPTION:`
24			`*`
25			`* This function allocates a semaphore control block from`
26			`* the inactive chain of free semaphore control blocks.`
27			`*/`
28
29			`RTEMS_INLINE_ROUTINE Semaphore_Control *_Semaphore_Allocate( void )`
30			`{`
31			`return (Semaphore_Control *) _Objects_Allocate( &_Semaphore_Information );`
32			`}`
33
34			`/*PAGE`
35			`*`
36			`* _Semaphore_Free`
37			`*`
38			`* DESCRIPTION:`
39			`*`
40			`* This routine frees a semaphore control block to the`
41			`* inactive chain of free semaphore control blocks.`
42			`*/`
43
44			`RTEMS_INLINE_ROUTINE void _Semaphore_Free (`
45			`Semaphore_Control *the_semaphore`
46			`)`
47			`{`
48			`_Objects_Free( &_Semaphore_Information, &the_semaphore->Object );`
49			`}`
50
51			`/*PAGE`
52			`*`
53			`* _Semaphore_Get`
54			`*`
55			`* DESCRIPTION:`
56			`*`
57			`* This function maps semaphore IDs to semaphore control blocks.`
58			`* If ID corresponds to a local semaphore, then it returns`
59			`* the_semaphore control pointer which maps to ID and location`
60			`* is set to OBJECTS_LOCAL. if the semaphore ID is global and`
61			`* resides on a remote node, then location is set to OBJECTS_REMOTE,`
62			`* and the_semaphore is undefined. Otherwise, location is set`
63			`* to OBJECTS_ERROR and the_semaphore is undefined.`
64			`*/`
65
66			`RTEMS_INLINE_ROUTINE Semaphore_Control *_Semaphore_Get (`
67			`Objects_Id id,`
68			`Objects_Locations *location`
69			`)`
70			`{`
71			`return (Semaphore_Control *)`
72			`_Objects_Get( &_Semaphore_Information, id, location );`
73			`}`
74
75			`/*PAGE`
76			`*`
77			`* _Semaphore_Is_null`
78			`*`
79			`* DESCRIPTION:`
80			`*`
81			`* This function returns TRUE if the_semaphore is NULL and FALSE otherwise.`
82			`*/`
83
84			`RTEMS_INLINE_ROUTINE boolean _Semaphore_Is_null (`
85			`Semaphore_Control *the_semaphore`
86			`)`
87			`{`
88			`return ( the_semaphore == NULL );`
89			`}`
90
91			`#endif`
92			`/* end of include file */`

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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [rtems/] [inline/] [rtems/] [rtems/] [sem.inl] - Blame information for rev 593