libumem/vmem_base.h

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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, (the "License").
You may not use this file except in compliance with the License.
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*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
*
* Portions Copyright 2012 Joyent, Inc. All rights reserved.
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*/
#ifndef _VMEM_BASE_H
#define _VMEM_BASE_H
/* #pragma ident "@(#)vmem_base.h 1.3 05/06/08 SMI" */
#include <sys/vmem.h>
#include <umem.h>
#ifdef __cplusplus
extern "C" {
#endif
#include "misc.h"
extern void vmem_startup(void);
extern vmem_t *vmem_init(const char *parent_name, size_t parent_quantum,
vmem_alloc_t *parent_alloc, vmem_free_t *parent_free,
const char *heap_name,
void *heap_start, size_t heap_size, size_t heap_quantum,
vmem_alloc_t *heap_alloc, vmem_free_t *heap_free);
extern void *_vmem_extend_alloc(vmem_t *vmp, void *vaddr, size_t size,
size_t alloc, int vmflag);
extern vmem_t *vmem_heap_arena(vmem_alloc_t **, vmem_free_t **);
extern void vmem_heap_init(void);
extern vmem_t *vmem_sbrk_arena(vmem_alloc_t **, vmem_free_t **);
extern vmem_t *vmem_mmap_arena(vmem_alloc_t **, vmem_free_t **);
extern vmem_t *vmem_stand_arena(vmem_alloc_t **, vmem_free_t **);
extern void vmem_update(void *);
extern void vmem_reap(void); /* vmem_populate()-safe reap */
extern size_t pagesize;
extern size_t vmem_sbrk_pagesize;
extern size_t vmem_sbrk_minalloc;
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extern uint_t vmem_backend;
#define VMEM_BACKEND_SBRK 0x0000001
#define VMEM_BACKEND_MMAP 0x0000002
#define VMEM_BACKEND_STAND 0x0000003
extern uint_t vmem_allocator;
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extern vmem_t *vmem_heap;
extern vmem_alloc_t *vmem_heap_alloc;
extern vmem_free_t *vmem_heap_free;
extern void vmem_lockup(void);
extern void vmem_release(void);
extern void vmem_sbrk_lockup(void);
extern void vmem_sbrk_release(void);
extern void vmem_no_debug(void);
#ifdef __cplusplus
}
#endif
#endif /* _VMEM_BASE_H */