1*4a5d661aSToomas Soome /* 2*4a5d661aSToomas Soome * This module derived from code donated to the FreeBSD Project by 3*4a5d661aSToomas Soome * Matthew Dillon <dillon@backplane.com> 4*4a5d661aSToomas Soome * 5*4a5d661aSToomas Soome * Copyright (c) 1998 The FreeBSD Project 6*4a5d661aSToomas Soome * All rights reserved. 7*4a5d661aSToomas Soome * 8*4a5d661aSToomas Soome * Redistribution and use in source and binary forms, with or without 9*4a5d661aSToomas Soome * modification, are permitted provided that the following conditions 10*4a5d661aSToomas Soome * are met: 11*4a5d661aSToomas Soome * 1. Redistributions of source code must retain the above copyright 12*4a5d661aSToomas Soome * notice, this list of conditions and the following disclaimer. 13*4a5d661aSToomas Soome * 2. Redistributions in binary form must reproduce the above copyright 14*4a5d661aSToomas Soome * notice, this list of conditions and the following disclaimer in the 15*4a5d661aSToomas Soome * documentation and/or other materials provided with the distribution. 16*4a5d661aSToomas Soome * 17*4a5d661aSToomas Soome * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18*4a5d661aSToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19*4a5d661aSToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20*4a5d661aSToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21*4a5d661aSToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22*4a5d661aSToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23*4a5d661aSToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24*4a5d661aSToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25*4a5d661aSToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26*4a5d661aSToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27*4a5d661aSToomas Soome * SUCH DAMAGE. 28*4a5d661aSToomas Soome * 29*4a5d661aSToomas Soome * $FreeBSD$ 30*4a5d661aSToomas Soome */ 31*4a5d661aSToomas Soome 32*4a5d661aSToomas Soome /* 33*4a5d661aSToomas Soome * H/MEM.H 34*4a5d661aSToomas Soome * 35*4a5d661aSToomas Soome * Basic memory pool / memory node structures. 36*4a5d661aSToomas Soome */ 37*4a5d661aSToomas Soome 38*4a5d661aSToomas Soome typedef struct MemNode { 39*4a5d661aSToomas Soome struct MemNode *mr_Next; 40*4a5d661aSToomas Soome uintptr_t mr_Bytes; 41*4a5d661aSToomas Soome } MemNode; 42*4a5d661aSToomas Soome 43*4a5d661aSToomas Soome typedef struct MemPool { 44*4a5d661aSToomas Soome void *mp_Base; 45*4a5d661aSToomas Soome void *mp_End; 46*4a5d661aSToomas Soome MemNode *mp_First; 47*4a5d661aSToomas Soome uintptr_t mp_Size; 48*4a5d661aSToomas Soome uintptr_t mp_Used; 49*4a5d661aSToomas Soome } MemPool; 50*4a5d661aSToomas Soome 51*4a5d661aSToomas Soome #define ZNOTE_FREE 0 52*4a5d661aSToomas Soome #define ZNOTE_REUSE 1 53*4a5d661aSToomas Soome 54