1ca987d46SWarner Losh /* 2ca987d46SWarner Losh * This module derived from code donated to the FreeBSD Project by 3ca987d46SWarner Losh * Matthew Dillon <dillon@backplane.com> 4ca987d46SWarner Losh * 5ca987d46SWarner Losh * Copyright (c) 1998 The FreeBSD Project 6ca987d46SWarner Losh * All rights reserved. 7ca987d46SWarner Losh * 8ca987d46SWarner Losh * Redistribution and use in source and binary forms, with or without 9ca987d46SWarner Losh * modification, are permitted provided that the following conditions 10ca987d46SWarner Losh * are met: 11ca987d46SWarner Losh * 1. Redistributions of source code must retain the above copyright 12ca987d46SWarner Losh * notice, this list of conditions and the following disclaimer. 13ca987d46SWarner Losh * 2. Redistributions in binary form must reproduce the above copyright 14ca987d46SWarner Losh * notice, this list of conditions and the following disclaimer in the 15ca987d46SWarner Losh * documentation and/or other materials provided with the distribution. 16ca987d46SWarner Losh * 17ca987d46SWarner Losh * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18ca987d46SWarner Losh * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19ca987d46SWarner Losh * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20ca987d46SWarner Losh * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21ca987d46SWarner Losh * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22ca987d46SWarner Losh * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23ca987d46SWarner Losh * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24ca987d46SWarner Losh * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25ca987d46SWarner Losh * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26ca987d46SWarner Losh * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27ca987d46SWarner Losh * SUCH DAMAGE. 28ca987d46SWarner Losh */ 29ca987d46SWarner Losh 30ca987d46SWarner Losh /* 31ca987d46SWarner Losh * H/MEM.H 32ca987d46SWarner Losh * 33ca987d46SWarner Losh * Basic memory pool / memory node structures. 34ca987d46SWarner Losh */ 35*e57c0c2aSToomas Soome #ifndef _ZALLOC_MEM_H 36*e57c0c2aSToomas Soome #define _ZALLOC_MEM_H 37ca987d46SWarner Losh 38ca987d46SWarner Losh typedef struct MemNode { 39ca987d46SWarner Losh struct MemNode *mr_Next; 40ca987d46SWarner Losh uintptr_t mr_Bytes; 41ca987d46SWarner Losh } MemNode; 42ca987d46SWarner Losh 43ca987d46SWarner Losh typedef struct MemPool { 44ca987d46SWarner Losh void *mp_Base; 45ca987d46SWarner Losh void *mp_End; 46ca987d46SWarner Losh MemNode *mp_First; 47ca987d46SWarner Losh uintptr_t mp_Size; 48ca987d46SWarner Losh uintptr_t mp_Used; 49ca987d46SWarner Losh } MemPool; 50ca987d46SWarner Losh 51ca987d46SWarner Losh #define ZNOTE_FREE 0 52ca987d46SWarner Losh #define ZNOTE_REUSE 1 53ca987d46SWarner Losh 54*e57c0c2aSToomas Soome #endif /* _ZALLOC_MEM_H */ 55