4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
30 /* #pragma ident "@(#)vmem_base.h 1.3 05/06/08 SMI" */
41 extern void vmem_startup(void);
42 extern vmem_t *vmem_init(const char *parent_name, size_t parent_quantum,
43 vmem_alloc_t *parent_alloc, vmem_free_t *parent_free,
44 const char *heap_name,
45 void *heap_start, size_t heap_size, size_t heap_quantum,
46 vmem_alloc_t *heap_alloc, vmem_free_t *heap_free);
48 extern void *_vmem_extend_alloc(vmem_t *vmp, void *vaddr, size_t size,
49 size_t alloc, int vmflag);
51 extern vmem_t *vmem_heap_arena(vmem_alloc_t **, vmem_free_t **);
52 extern void vmem_heap_init(void);
54 extern vmem_t *vmem_sbrk_arena(vmem_alloc_t **, vmem_free_t **);
55 extern vmem_t *vmem_mmap_arena(vmem_alloc_t **, vmem_free_t **);
56 extern vmem_t *vmem_stand_arena(vmem_alloc_t **, vmem_free_t **);
58 extern void vmem_update(void *);
59 extern void vmem_reap(void); /* vmem_populate()-safe reap */
61 extern size_t pagesize;
62 extern size_t vmem_sbrk_pagesize;
64 extern uint_t vmem_backend;
65 #define VMEM_BACKEND_SBRK 0x0000001
66 #define VMEM_BACKEND_MMAP 0x0000002
67 #define VMEM_BACKEND_STAND 0x0000003
69 extern vmem_t *vmem_heap;
70 extern vmem_alloc_t *vmem_heap_alloc;
71 extern vmem_free_t *vmem_heap_free;
73 extern void vmem_lockup(void);
74 extern void vmem_release(void);
76 extern void vmem_sbrk_lockup(void);
77 extern void vmem_sbrk_release(void);
79 extern void vmem_no_debug(void);
85 #endif /* _VMEM_BASE_H */