blob: 7ef45398d3c91689a3b145d28fc939ea7a683824 (
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
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
/*
* 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.
*
* $Id$
*/
#ifndef __ITRON_VARIABLE_MEMORYPOOL_h_
#define __ITRON_VARIABLE_MEMORYPOOL_h_
#ifdef __cplusplus
extern "C" {
#endif
/*
* Create Variable Memory Pool (cre_mpl) Structure
*/
typedef struct t_cmpl {
VP exinf; /* extended information */
ATR mplatr; /* memorypool attributes */
INT mplsz; /* memorypool size */
/* additional information may be included depending on the implementation */
} T_CMPL;
/*
* mplatr
*/
#define TA_TFIFO 0x00 /* waiting tasks are handled by FIFO */
#define TA_TPRI 0x01 /* waiting tasks are handled by priority */
/*
* mplid
*/
#define TMPL_OS (-4) /* memorypool used by OS */
/*
* Reference Variable Memory Pool (ref_mpl) Structure
*/
typedef struct t_rmpl {
VP exinf; /* extended information */
BOOL_ID wtsk; /* indicates whether or not there are waiting tasks */
INT frsz; /* total size of free memory */
INT maxsz; /* size of largest contiguous memory */
/* additional information may be included depending on the implementation */
} T_RMPL;
/*
* Variable Memory Pool Functions
*/
/*
* cre_mpl - Create Variable-Size Memorypool
*/
ER cre_mpl(
ID mplid,
T_CMPL *pk_cmpl
);
/*
* del_mpl - Delete Variable-Size Memorypool
*/
ER del_mpl(
ID mplid
);
/*
* get_blk - Get Variable-Size Memory Block
*/
ER get_blk(
VP *p_blk,
ID mplid,
INT blksz
);
/*
* pget_blk - Poll and Get Variable-Size Memory Block
*/
ER pget_blk(
VP *p_blk,
ID mplid,
INT blksz
);
/*
* tget_blk - Get Variable-Size Memory Block with Timeout
*/
ER tget_blk(
VP *p_blk,
ID mplid,
INT blksz,
TMO tmout
);
/*
* rel_blk - Release Variable-Size Memory Block
*/
ER rel_blk(
ID mplid,
VP blk
);
/*
* ref_mpl - Reference Variable-Size Memorypool Status
*/
ER ref_mpl(
T_RMPL *pk_rmpl,
ID mplid
);
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
|
