1/*	$NetBSD: kmem.h,v 1.12 2021/01/24 17:29:11 thorpej 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
34typedef unsigned int km_flag_t;
35
36void	kmem_init(void);
37size_t	kmem_roundup_size(size_t);
38
39void *	kmem_alloc(size_t, km_flag_t);
40void *	kmem_zalloc(size_t, km_flag_t);
41void	kmem_free(void *, size_t);
42
43void *	kmem_intr_alloc(size_t, km_flag_t);
44void *	kmem_intr_zalloc(size_t, km_flag_t);
45void	kmem_intr_free(void *, size_t);
46
47char *	kmem_asprintf(const char *, ...) __printflike(1, 2);
48
49char *	kmem_strdupsize(const char *, size_t *, km_flag_t);
50#define kmem_strdup(s, f)	kmem_strdupsize((s), NULL, (f))
51char *	kmem_strndup(const char *, size_t, km_flag_t);
52void	kmem_strfree(char *);
53
54void *	kmem_tmpbuf_alloc(size_t, void *, size_t, km_flag_t);
55void	kmem_tmpbuf_free(void *, size_t, void *);
56
57/*
58 * km_flag_t values:
59 */
60#define	KM_SLEEP	0x00000001	/* can sleep */
61#define	KM_NOSLEEP	0x00000002	/* don't sleep */
62
63#endif /* !_SYS_KMEM_H_ */