root / lab4 / .minix-src / include / sys / kmem.h @ 13
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1 | 13 | up20180614 | /* $NetBSD: kmem.h,v 1.9 2012/02/05 03:40:08 rmind Exp $ */
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2 | |||
3 | /*-
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4 | * Copyright (c)2006 YAMAMOTO Takashi,
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5 | * All rights reserved.
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6 | *
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7 | * Redistribution and use in source and binary forms, with or without
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8 | * modification, are permitted provided that the following conditions
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9 | * are met:
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10 | * 1. Redistributions of source code must retain the above copyright
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11 | * notice, this list of conditions and the following disclaimer.
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12 | * 2. Redistributions in binary form must reproduce the above copyright
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13 | * notice, this list of conditions and the following disclaimer in the
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14 | * documentation and/or other materials provided with the distribution.
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15 | *
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16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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20 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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22 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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24 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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26 | * SUCH DAMAGE.
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27 | */
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28 | |||
29 | #ifndef _SYS_KMEM_H_
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30 | #define _SYS_KMEM_H_
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31 | |||
32 | #include <sys/types.h> |
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33 | |||
34 | typedef unsigned int km_flag_t; |
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35 | |||
36 | void kmem_init(void); |
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37 | size_t kmem_roundup_size(size_t); |
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38 | |||
39 | void * kmem_alloc(size_t, km_flag_t);
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40 | void * kmem_zalloc(size_t, km_flag_t);
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41 | void kmem_free(void *, size_t); |
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42 | |||
43 | void * kmem_intr_alloc(size_t, km_flag_t);
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44 | void * kmem_intr_zalloc(size_t, km_flag_t);
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45 | void kmem_intr_free(void *, size_t); |
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46 | |||
47 | char * kmem_asprintf(const char *, ...) __printflike(1, 2); |
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48 | |||
49 | /*
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50 | * km_flag_t values:
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51 | */
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52 | #define KM_SLEEP 0x00000001 /* can sleep */ |
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53 | #define KM_NOSLEEP 0x00000002 /* don't sleep */ |
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54 | |||
55 | #endif /* !_SYS_KMEM_H_ */ |