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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22/* Copyright (c) 1988 AT&T */ 23/* All Rights Reserved */ 24 25 26#ifndef _MALLOC_H 27#define _MALLOC_H 28 29#pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.7 */ 30 31#include <sys/types.h> 32 33#ifdef __cplusplus 34extern "C" { 35#endif 36 37/* 38 * Constants defining mallopt operations 39 */ 40#define M_MXFAST 1 /* set size of blocks to be fast */ 41#define M_NLBLKS 2 /* set number of block in a holding block */ 42#define M_GRAIN 3 /* set number of sizes mapped to one, for */ 43 /* small blocks */ 44#define M_KEEP 4 /* retain contents of block after a free */ 45 /* until another allocation */ 46/* 47 * structure filled by 48 */ 49struct mallinfo { 50 unsigned long arena; /* total space in arena */ 51 unsigned long ordblks; /* number of ordinary blocks */ 52 unsigned long smblks; /* number of small blocks */ 53 unsigned long hblks; /* number of holding blocks */ 54 unsigned long hblkhd; /* space in holding block headers */ 55 unsigned long usmblks; /* space in small blocks in use */ 56 unsigned long fsmblks; /* space in free small blocks */ 57 unsigned long uordblks; /* space in ordinary blocks in use */ 58 unsigned long fordblks; /* space in free ordinary blocks */ 59 unsigned long keepcost; /* cost of enabling keep option */ 60}; 61 62#if defined(__STDC__) 63 64void *malloc(size_t); 65void free(void *); 66void *realloc(void *, size_t); 67int mallopt(int, int); 68struct mallinfo mallinfo(void); 69void *calloc(size_t, size_t); 70 71#else 72 73void *malloc(); 74void free(); 75void *realloc(); 76int mallopt(); 77struct mallinfo mallinfo(); 78void *calloc(); 79 80#endif /* __STDC__ */ 81 82#ifdef __cplusplus 83} 84#endif 85 86#endif /* _MALLOC_H */ 87