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/*
 *  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: vmempool.h,v 1.2 2001-09-27 11:59:12 chris Exp $
 */
 
#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 */
 

Line No.	Rev	Author	Line
1	158	chris	`/*`
2			`* COPYRIGHT (c) 1989-1999.`
3			`* On-Line Applications Research Corporation (OAR).`
4			`*`
5			`* The license and distribution terms for this file may be`
6			`* found in the file LICENSE in this distribution or at`
7			`* http://www.OARcorp.com/rtems/license.html.`
8			`*`
9	208	chris	`* $Id: vmempool.h,v 1.2 2001-09-27 11:59:12 chris Exp $`
10	158	chris	`*/`
11
12			`#ifndef __ITRON_VARIABLE_MEMORYPOOL_h_`
13			`#define __ITRON_VARIABLE_MEMORYPOOL_h_`
14
15			`#ifdef __cplusplus`
16			`extern "C" {`
17			`#endif`
18
19			`/*`
20			`* Create Variable Memory Pool (cre_mpl) Structure`
21			`*/`
22
23			`typedef struct t_cmpl {`
24			`VP exinf; /* extended information */`
25			`ATR mplatr; /* memorypool attributes */`
26			`INT mplsz; /* memorypool size */`
27			`/* additional information may be included depending on the implementation */`
28			`} T_CMPL;`
29
30			`/*`
31			`* mplatr`
32			`*/`
33
34			`#define TA_TFIFO 0x00 /* waiting tasks are handled by FIFO */`
35			`#define TA_TPRI 0x01 /* waiting tasks are handled by priority */`
36
37			`/*`
38			`* mplid`
39			`*/`
40
41			`#define TMPL_OS (-4) /* memorypool used by OS */`
42
43			`/*`
44			`* Reference Variable Memory Pool (ref_mpl) Structure`
45			`*/`
46
47			`typedef struct t_rmpl {`
48			`VP exinf; /* extended information */`
49			`BOOL_ID wtsk; /* indicates whether or not there are waiting tasks */`
50			`INT frsz; /* total size of free memory */`
51			`INT maxsz; /* size of largest contiguous memory */`
52			`/* additional information may be included depending on the implementation */`
53			`} T_RMPL;`
54
55			`/*`
56			`* Variable Memory Pool Functions`
57			`*/`
58
59			`/*`
60			`* cre_mpl - Create Variable-Size Memorypool`
61			`*/`
62
63			`ER cre_mpl(`
64			`ID mplid,`
65			`T_CMPL *pk_cmpl`
66			`);`
67
68			`/*`
69			`* del_mpl - Delete Variable-Size Memorypool`
70			`*/`
71
72			`ER del_mpl(`
73			`ID mplid`
74			`);`
75
76			`/*`
77			`* get_blk - Get Variable-Size Memory Block`
78			`*/`
79
80			`ER get_blk(`
81			`VP *p_blk,`
82			`ID mplid,`
83			`INT blksz`
84			`);`
85
86			`/*`
87			`* pget_blk - Poll and Get Variable-Size Memory Block`
88			`*/`
89
90			`ER pget_blk(`
91			`VP *p_blk,`
92			`ID mplid,`
93			`INT blksz`
94			`);`
95
96			`/*`
97			`* tget_blk - Get Variable-Size Memory Block with Timeout`
98			`*/`
99
100			`ER tget_blk(`
101			`VP *p_blk,`
102			`ID mplid,`
103			`INT blksz,`
104			`TMO tmout`
105			`);`
106
107			`/*`
108			`* rel_blk - Release Variable-Size Memory Block`
109			`*/`
110
111			`ER rel_blk(`
112			`ID mplid,`
113			`VP blk`
114			`);`
115
116			`/*`
117			`* ref_mpl - Reference Variable-Size Memorypool Status`
118			`*/`
119
120			`ER ref_mpl(`
121			`T_RMPL *pk_rmpl,`
122			`ID mplid`
123			`);`
124
125
126			`#ifdef __cplusplus`
127			`}`
128			`#endif`
129
130			`#endif`
131			`/* end of include file */`
132

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[/] [or1k/] [trunk/] [rtems/] [c/] [src/] [exec/] [itron/] [include/] [itronsys/] [vmempool.h] - Blame information for rev 208