blob: c2d37428fb34099630a99a469a4a1323b47b251b (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
/**
* @file rtems/rtems/barrier.inl
*
* This file contains the static inlin implementation of the inlined
* routines from the Barrier Manager.
*/
/*
* COPYRIGHT (c) 1989-2008.
* 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.rtems.com/license/LICENSE.
*
* $Id$
*/
#ifndef _RTEMS_RTEMS_BARRIER_H
# error "Never use <rtems/rtems/barrier.inl> directly; include <rtems/rtems/barrier.h> instead."
#endif
#ifndef _RTEMS_RTEMS_BARRIER_INL
#define _RTEMS_RTEMS_BARRIER_INL
/**
* @addtogroup ClassicBarrier
* @{
*/
/**
* @brief _Barrier_Allocate
*
* This function allocates a barrier control block from
* the inactive chain of free barrier control blocks.
*/
RTEMS_INLINE_ROUTINE Barrier_Control *_Barrier_Allocate( void )
{
return (Barrier_Control *) _Objects_Allocate( &_Barrier_Information );
}
/**
* @brief _Barrier_Free
*
* This routine frees a barrier control block to the
* inactive chain of free barrier control blocks.
*/
RTEMS_INLINE_ROUTINE void _Barrier_Free (
Barrier_Control *the_barrier
)
{
_Objects_Free( &_Barrier_Information, &the_barrier->Object );
}
/**
* @brief _Barrier_Get
*
* This function maps barrier IDs to barrier control blocks.
* If ID corresponds to a local barrier, then it returns
* the_barrier control pointer which maps to ID and location
* is set to OBJECTS_LOCAL. if the barrier ID is global and
* resides on a remote node, then location is set to OBJECTS_REMOTE,
* and the_barrier is undefined. Otherwise, location is set
* to OBJECTS_ERROR and the_barrier is undefined.
*/
RTEMS_INLINE_ROUTINE Barrier_Control *_Barrier_Get (
Objects_Id id,
Objects_Locations *location
)
{
return (Barrier_Control *)
_Objects_Get( &_Barrier_Information, id, location );
}
/**
* @brief _Barrier_Is_null
*
* This function returns TRUE if the_barrier is NULL and FALSE otherwise.
*/
RTEMS_INLINE_ROUTINE bool _Barrier_Is_null (
Barrier_Control *the_barrier
)
{
return ( the_barrier == NULL );
}
/**@}*/
#endif
/* end of include file */
|
