minix/sys/sys/kmem.h

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/* $NetBSD: kmem.h,v 1.9 2012/02/05 03:40:08 rmind Exp $ */
/*-
* Copyright (c)2006 YAMAMOTO Takashi,
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _SYS_KMEM_H_
#define _SYS_KMEM_H_
#include <sys/types.h>
typedef unsigned int km_flag_t;
void kmem_init(void);
size_t kmem_roundup_size(size_t);
void * kmem_alloc(size_t, km_flag_t);
void * kmem_zalloc(size_t, km_flag_t);
void kmem_free(void *, size_t);
void * kmem_intr_alloc(size_t, km_flag_t);
void * kmem_intr_zalloc(size_t, km_flag_t);
void kmem_intr_free(void *, size_t);
char * kmem_asprintf(const char *, ...) __printflike(1, 2);
/*
* km_flag_t values:
*/
#define KM_SLEEP 0x00000001 /* can sleep */
#define KM_NOSLEEP 0x00000002 /* don't sleep */
#endif /* !_SYS_KMEM_H_ */