1 /* 2 * CDDL HEADER START 3 * 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 7 * with the License. 8 * 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. 13 * 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] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _VMEM_BASE_H 28 #define _VMEM_BASE_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <sys/vmem.h> 33 #include <umem.h> 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 #include "misc.h" 40 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); 47 48 extern void *_vmem_extend_alloc(vmem_t *vmp, void *vaddr, size_t size, 49 size_t alloc, int vmflag); 50 51 extern vmem_t *vmem_heap_arena(vmem_alloc_t **, vmem_free_t **); 52 extern void vmem_heap_init(void); 53 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 **); 57 58 extern void vmem_update(void *); 59 extern void vmem_reap(void); /* vmem_populate()-safe reap */ 60 61 extern size_t pagesize; 62 extern size_t vmem_sbrk_pagesize; 63 64 extern uint_t vmem_backend; 65 #define VMEM_BACKEND_SBRK 0x0000001 66 #define VMEM_BACKEND_MMAP 0x0000002 67 #define VMEM_BACKEND_STAND 0x0000003 68 69 extern vmem_t *vmem_heap; 70 extern vmem_alloc_t *vmem_heap_alloc; 71 extern vmem_free_t *vmem_heap_free; 72 73 extern void vmem_lockup(void); 74 extern void vmem_release(void); 75 76 extern void vmem_sbrk_lockup(void); 77 extern void vmem_sbrk_release(void); 78 79 extern void vmem_no_debug(void); 80 81 #ifdef __cplusplus 82 } 83 #endif 84 85 #endif /* _VMEM_BASE_H */ 86