root / lab4 / .minix-src / include / sys / kmem.h @ 13
History | View | Annotate | Download (1.97 KB)
1 |
/* $NetBSD: kmem.h,v 1.9 2012/02/05 03:40:08 rmind Exp $ */
|
---|---|
2 |
|
3 |
/*-
|
4 |
* Copyright (c)2006 YAMAMOTO Takashi,
|
5 |
* All rights reserved.
|
6 |
*
|
7 |
* Redistribution and use in source and binary forms, with or without
|
8 |
* modification, are permitted provided that the following conditions
|
9 |
* are met:
|
10 |
* 1. Redistributions of source code must retain the above copyright
|
11 |
* notice, this list of conditions and the following disclaimer.
|
12 |
* 2. Redistributions in binary form must reproduce the above copyright
|
13 |
* notice, this list of conditions and the following disclaimer in the
|
14 |
* documentation and/or other materials provided with the distribution.
|
15 |
*
|
16 |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
17 |
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
18 |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
19 |
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
20 |
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
21 |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
22 |
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
23 |
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
24 |
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
25 |
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
26 |
* SUCH DAMAGE.
|
27 |
*/
|
28 |
|
29 |
#ifndef _SYS_KMEM_H_
|
30 |
#define _SYS_KMEM_H_
|
31 |
|
32 |
#include <sys/types.h> |
33 |
|
34 |
typedef unsigned int km_flag_t; |
35 |
|
36 |
void kmem_init(void); |
37 |
size_t kmem_roundup_size(size_t); |
38 |
|
39 |
void * kmem_alloc(size_t, km_flag_t);
|
40 |
void * kmem_zalloc(size_t, km_flag_t);
|
41 |
void kmem_free(void *, size_t); |
42 |
|
43 |
void * kmem_intr_alloc(size_t, km_flag_t);
|
44 |
void * kmem_intr_zalloc(size_t, km_flag_t);
|
45 |
void kmem_intr_free(void *, size_t); |
46 |
|
47 |
char * kmem_asprintf(const char *, ...) __printflike(1, 2); |
48 |
|
49 |
/*
|
50 |
* km_flag_t values:
|
51 |
*/
|
52 |
#define KM_SLEEP 0x00000001 /* can sleep */ |
53 |
#define KM_NOSLEEP 0x00000002 /* don't sleep */ |
54 |
|
55 |
#endif /* !_SYS_KMEM_H_ */ |