| 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 | |
| 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 | char * kmem_strdupsize(const char *, size_t *, km_flag_t); |
| 50 | #define kmem_strdup(s, f) kmem_strdupsize((s), NULL, (f)) |
| 51 | char * kmem_strndup(const char *, size_t, km_flag_t); |
| 52 | void kmem_strfree(char *); |
| 53 | |
| 54 | void * kmem_tmpbuf_alloc(size_t, void *, size_t, km_flag_t); |
| 55 | void 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_ */ |