xref: /titanic_51/usr/src/lib/libmtmalloc/common/mtmalloc.h (revision 25c28e83beb90e7c80452a7c818c5e6f73a07dc8)
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 /*
23  * Copyright (c) 1998 by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #ifndef _MTMALLOC_H
28 #define	_MTMALLOC_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 /*
33  * Public interface for multi-threadead malloc user land library
34  */
35 
36 #ifdef __cplusplus
37 extern "C" {
38 #endif
39 
40 #include <stdlib.h>
41 
42 /* commands for mallocctl(int cmd, long value) */
43 
44 #define	MTDOUBLEFREE	1	/* core dumps on double free */
45 #define	MTDEBUGPATTERN	2	/* write misaligned data after free. */
46 #define	MTINITBUFFER	4	/* write misaligned data at allocation */
47 #define	MTCHUNKSIZE	32	/* How much to alloc when backfilling caches. */
48 
49 void mallocctl(int, long);
50 
51 #ifdef __cplusplus
52 }
53 #endif
54 
55 #endif /* _MTMALLOC_H */
56