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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _VMEM_BASE_H 27 #define _VMEM_BASE_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #include <sys/vmem.h> 32 #include <umem.h> 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 #include "misc.h" 39 40 extern void vmem_startup(void); 41 extern vmem_t *vmem_init(const char *parent_name, size_t parent_quantum, 42 vmem_alloc_t *parent_alloc, vmem_free_t *parent_free, 43 const char *heap_name, 44 void *heap_start, size_t heap_size, size_t heap_quantum, 45 vmem_alloc_t *heap_alloc, vmem_free_t *heap_free); 46 47 extern void *_vmem_extend_alloc(vmem_t *vmp, void *vaddr, size_t size, 48 size_t alloc, int vmflag); 49 50 extern vmem_t *vmem_heap_arena(vmem_alloc_t **, vmem_free_t **); 51 extern void vmem_heap_init(void); 52 53 extern vmem_t *vmem_sbrk_arena(vmem_alloc_t **, vmem_free_t **); 54 extern vmem_t *vmem_mmap_arena(vmem_alloc_t **, vmem_free_t **); 55 extern vmem_t *vmem_stand_arena(vmem_alloc_t **, vmem_free_t **); 56 57 extern void vmem_update(void *); 58 extern void vmem_reap(void); /* vmem_populate()-safe reap */ 59 60 extern size_t pagesize; 61 extern size_t vmem_sbrk_pagesize; 62 extern size_t vmem_sbrk_minalloc; 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