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 34 extern "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 */ 49 struct 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 64 void *malloc(size_t); 65 void free(void *); 66 void *realloc(void *, size_t); 67 int mallopt(int, int); 68 struct mallinfo mallinfo(void); 69 void *calloc(size_t, size_t); 70 71 #else 72 73 void *malloc(); 74 void free(); 75 void *realloc(); 76 int mallopt(); 77 struct mallinfo mallinfo(); 78 void *calloc(); 79 80 #endif /* __STDC__ */ 81 82 #ifdef __cplusplus 83 } 84 #endif 85 86 #endif /* _MALLOC_H */ 87