monitor_mm.h revision 259065
1255767Sdes/* $OpenBSD: monitor_mm.h,v 1.5 2008/04/29 11:20:31 otto Exp $ */ 257429Smarkm 357429Smarkm/* 457429Smarkm * Copyright 2002 Niels Provos <provos@citi.umich.edu> 557429Smarkm * All rights reserved. 657429Smarkm * 760573Skris * Redistribution and use in source and binary forms, with or without 865668Skris * modification, are permitted provided that the following conditions 965668Skris * are met: 1065668Skris * 1. Redistributions of source code must retain the above copyright 1165668Skris * notice, this list of conditions and the following disclaimer. 1265668Skris * 2. Redistributions in binary form must reproduce the above copyright 1357429Smarkm * notice, this list of conditions and the following disclaimer in the 1476259Sgreen * documentation and/or other materials provided with the distribution. 1576259Sgreen * 1676259Sgreen * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 1776259Sgreen * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1876259Sgreen * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 1976259Sgreen * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 2076259Sgreen * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 2176259Sgreen * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2276259Sgreen * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2376259Sgreen * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2476259Sgreen * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 2576259Sgreen * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2676259Sgreen */ 2776259Sgreen 2876259Sgreen#ifndef _MM_H_ 2976259Sgreen#define _MM_H_ 3076259Sgreen 3176259Sgreenstruct mm_share { 3276259Sgreen RB_ENTRY(mm_share) next; 3376259Sgreen void *address; 3476259Sgreen size_t size; 3576259Sgreen}; 3676259Sgreen 3757429Smarkmstruct mm_master { 3857429Smarkm RB_HEAD(mmtree, mm_share) rb_free; 3957429Smarkm struct mmtree rb_allocated; 40162852Sdes void *address; 41162852Sdes size_t size; 42162852Sdes 43255767Sdes struct mm_master *mmalloc; /* Used to completely share */ 44162852Sdes}; 45162852Sdes 46162852SdesRB_PROTOTYPE(mmtree, mm_share, next, mm_compare) 4776259Sgreen 4857429Smarkm#define MM_MINSIZE 128 4957429Smarkm 5057429Smarkm#define MM_ADDRESS_END(x) (void *)((u_char *)(x)->address + (x)->size) 5157429Smarkm 5257429Smarkmstruct mm_master *mm_create(struct mm_master *, size_t); 5357429Smarkmvoid mm_destroy(struct mm_master *); 5460573Skris 5557429Smarkmvoid mm_share_sync(struct mm_master **, struct mm_master **); 5657429Smarkm 5757429Smarkmvoid *mm_malloc(struct mm_master *, size_t); 5857429Smarkmvoid *mm_xmalloc(struct mm_master *, size_t); 5957429Smarkmvoid mm_free(struct mm_master *, void *); 6057429Smarkm 6157429Smarkmvoid mm_memvalid(struct mm_master *, void *, size_t); 6257429Smarkm#endif /* _MM_H_ */ 6357429Smarkm