1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 1989 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* Copyright (c) 1984 AT&T */ 28*0Sstevel@tonic-gate /* All Rights Reserved */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #ifndef __malloc_h 33*0Sstevel@tonic-gate #define __malloc_h 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate /* 36*0Sstevel@tonic-gate * Constants defining mallopt operations 37*0Sstevel@tonic-gate */ 38*0Sstevel@tonic-gate #define M_MXFAST 1 /* set size of 'small blocks' */ 39*0Sstevel@tonic-gate #define M_NLBLKS 2 /* set num of small blocks in holding block */ 40*0Sstevel@tonic-gate #define M_GRAIN 3 /* set rounding factor for small blocks */ 41*0Sstevel@tonic-gate #define M_KEEP 4 /* (nop) retain contents of freed blocks */ 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate /* 44*0Sstevel@tonic-gate * malloc information structure 45*0Sstevel@tonic-gate */ 46*0Sstevel@tonic-gate struct mallinfo { 47*0Sstevel@tonic-gate int arena; /* total space in arena */ 48*0Sstevel@tonic-gate int ordblks; /* number of ordinary blocks */ 49*0Sstevel@tonic-gate int smblks; /* number of small blocks */ 50*0Sstevel@tonic-gate int hblks; /* number of holding blocks */ 51*0Sstevel@tonic-gate int hblkhd; /* space in holding block headers */ 52*0Sstevel@tonic-gate int usmblks; /* space in small blocks in use */ 53*0Sstevel@tonic-gate int fsmblks; /* space in free small blocks */ 54*0Sstevel@tonic-gate int uordblks; /* space in ordinary blocks in use */ 55*0Sstevel@tonic-gate int fordblks; /* space in free ordinary blocks */ 56*0Sstevel@tonic-gate int keepcost; /* cost of enabling keep option */ 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate int mxfast; /* max size of small blocks */ 59*0Sstevel@tonic-gate int nlblks; /* number of small blocks in a holding block */ 60*0Sstevel@tonic-gate int grain; /* small block rounding factor */ 61*0Sstevel@tonic-gate int uordbytes; /* space (including overhead) allocated in ord. blks */ 62*0Sstevel@tonic-gate int allocated; /* number of ordinary blocks allocated */ 63*0Sstevel@tonic-gate int treeoverhead; /* bytes used in maintaining the free tree */ 64*0Sstevel@tonic-gate }; 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate typedef char * malloc_t; 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate extern malloc_t calloc(/* size_t nmemb, size_t size */); 69*0Sstevel@tonic-gate extern int free(/* malloc_t ptr */); 70*0Sstevel@tonic-gate extern malloc_t malloc(/* size_t size */); 71*0Sstevel@tonic-gate extern malloc_t realloc(/* malloc_t ptr, size_t size */); 72*0Sstevel@tonic-gate extern int mallopt(); 73*0Sstevel@tonic-gate extern struct mallinfo mallinfo(); 74*0Sstevel@tonic-gate 75*0Sstevel@tonic-gate #endif /* !__malloc_h */ 76