/usr/include/xenomai/native/heap.h is in libxenomai-dev 2.6.4+dfsg-0.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 | /**
* @file
* This file is part of the Xenomai project.
*
* @note Copyright (C) 2004 Philippe Gerum <rpm@xenomai.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _XENO_HEAP_H
#define _XENO_HEAP_H
#include <nucleus/synch.h>
#include <nucleus/heap.h>
#include <native/types.h>
/* Creation flags. */
#define H_PRIO XNSYNCH_PRIO /* Pend by task priority order. */
#define H_FIFO XNSYNCH_FIFO /* Pend by FIFO order. */
#define H_DMA 0x100 /* Use memory suitable for DMA. */
#define H_MAPPABLE 0x200 /* Memory is mappable to user-space. */
#define H_SINGLE 0x400 /* Manage as single-block area. */
#define H_SHARED (H_MAPPABLE|H_SINGLE) /* I.e. shared memory segment. */
#define H_NONCACHED 0x800
#define H_DMA32 0x1000 /* Use memory suitable for DMA32. */
/** Structure containing heap-information useful to users.
*
* @see rt_heap_inquire()
*/
typedef struct rt_heap_info {
int nwaiters; /* !< Number of pending tasks. */
int mode; /* !< Creation mode. */
size_t heapsize; /* !< Requested heap size. */
size_t usablemem; /* !< Available heap memory. */
size_t usedmem; /* !< Amount of memory used. */
char name[XNOBJECT_NAME_LEN]; /* !< Symbolic name. */
unsigned long phys_addr; /* !< Physical address. */
} RT_HEAP_INFO;
typedef struct rt_heap_placeholder {
xnhandle_t opaque;
void *opaque2;
caddr_t mapbase;
size_t mapsize;
unsigned long area;
} RT_HEAP_PLACEHOLDER;
#if defined(__KERNEL__) || defined(__XENO_SIM__)
#include <native/ppd.h>
#define XENO_HEAP_MAGIC 0x55550808
typedef struct rt_heap {
unsigned magic; /* !< Magic code - must be first */
xnsynch_t synch_base; /* !< Base synchronization object. */
xnheap_t heap_base; /* !< Internal heap object. */
int mode; /* !< Creation mode. */
size_t csize; /* !< Original size at creation. */
void *sba; /* !< Single block ara (H_SINGLE only) */
xnhandle_t handle; /* !< Handle in registry -- zero if unregistered. */
char name[XNOBJECT_NAME_LEN]; /* !< Symbolic name. */
#ifdef CONFIG_XENO_OPT_PERVASIVE
pid_t cpid; /* !< Creator's pid. */
#endif /* CONFIG_XENO_OPT_PERVASIVE */
xnholder_t rlink; /* !< Link in resource queue. */
#define rlink2heap(ln) container_of(ln, RT_HEAP, rlink)
xnqueue_t *rqueue; /* !< Backpointer to resource queue. */
} RT_HEAP;
#ifdef __cplusplus
extern "C" {
#endif
#ifdef CONFIG_XENO_OPT_NATIVE_HEAP
int __native_heap_pkg_init(void);
void __native_heap_pkg_cleanup(void);
static inline void __native_heap_flush_rq(xnqueue_t *rq)
{
xeno_flush_rq_norelease(RT_HEAP, rq, heap);
}
int rt_heap_delete_inner(RT_HEAP *heap,
void __user *mapaddr);
#else /* !CONFIG_XENO_OPT_NATIVE_HEAP */
#define __native_heap_pkg_init() ({ 0; })
#define __native_heap_pkg_cleanup() do { } while(0)
#define __native_heap_flush_rq(rq) do { } while(0)
#endif /* !CONFIG_XENO_OPT_NATIVE_HEAP */
#ifdef __cplusplus
}
#endif
#else /* !(__KERNEL__ || __XENO_SIM__) */
typedef RT_HEAP_PLACEHOLDER RT_HEAP;
#ifdef __cplusplus
extern "C" {
#endif
int rt_heap_bind(RT_HEAP *heap,
const char *name,
RTIME timeout);
int rt_heap_unbind(RT_HEAP *heap);
#ifdef __cplusplus
}
#endif
#endif /* __KERNEL__ || __XENO_SIM__ */
#ifdef __cplusplus
extern "C" {
#endif
/* Public interface. */
int rt_heap_create(RT_HEAP *heap,
const char *name,
size_t heapsize,
int mode);
int rt_heap_delete(RT_HEAP *heap);
int rt_heap_alloc(RT_HEAP *heap,
size_t size,
RTIME timeout,
void **blockp);
int rt_heap_free(RT_HEAP *heap,
void *block);
int rt_heap_inquire(RT_HEAP *heap,
RT_HEAP_INFO *info);
#ifdef __cplusplus
}
#endif
#endif /* !_XENO_HEAP_H */
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