xref: /openbsd/include/dlfcn.h (revision be7ded7e)
1*be7ded7eSmarc /*	$OpenBSD: dlfcn.h,v 1.7 2003/04/25 19:16:12 marc Exp $	*/
2df930be7Sderaadt /*	$NetBSD: dlfcn.h,v 1.2 1995/06/05 19:38:00 pk Exp $	*/
3df930be7Sderaadt 
4df930be7Sderaadt /*
5df930be7Sderaadt  * Copyright (c) 1995 Paul Kranenburg
6df930be7Sderaadt  * All rights reserved.
7df930be7Sderaadt  *
8df930be7Sderaadt  * Redistribution and use in source and binary forms, with or without
9df930be7Sderaadt  * modification, are permitted provided that the following conditions
10df930be7Sderaadt  * are met:
11df930be7Sderaadt  * 1. Redistributions of source code must retain the above copyright
12df930be7Sderaadt  *    notice, this list of conditions and the following disclaimer.
13df930be7Sderaadt  * 2. Redistributions in binary form must reproduce the above copyright
14df930be7Sderaadt  *    notice, this list of conditions and the following disclaimer in the
15df930be7Sderaadt  *    documentation and/or other materials provided with the distribution.
16df930be7Sderaadt  * 3. All advertising materials mentioning features or use of this software
17df930be7Sderaadt  *    must display the following acknowledgement:
18df930be7Sderaadt  *      This product includes software developed by Paul Kranenburg.
19df930be7Sderaadt  * 4. The name of the author may not be used to endorse or promote products
2047369814Sderaadt  *    derived from this software without specific prior written permission
21df930be7Sderaadt  *
22df930be7Sderaadt  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23df930be7Sderaadt  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24df930be7Sderaadt  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25df930be7Sderaadt  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26df930be7Sderaadt  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27df930be7Sderaadt  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28df930be7Sderaadt  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29df930be7Sderaadt  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30df930be7Sderaadt  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31df930be7Sderaadt  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32df930be7Sderaadt  */
33df930be7Sderaadt 
34df930be7Sderaadt #ifndef _DLFCN_H_
35df930be7Sderaadt #define _DLFCN_H_
36df930be7Sderaadt 
37df930be7Sderaadt #include <sys/cdefs.h>
38df930be7Sderaadt 
39df930be7Sderaadt /*
40df930be7Sderaadt  * User interface to the run-time linker.
41df930be7Sderaadt  */
42df930be7Sderaadt __BEGIN_DECLS
43c72b5b24Smillert extern void	*dlopen(const char *, int);
44c72b5b24Smillert extern int	dlclose(void *);
45c72b5b24Smillert extern void	*dlsym(void *, const char *);
46c72b5b24Smillert extern int	dlctl(void *, int, void *);
47c72b5b24Smillert extern const char	*dlerror(void);
48df930be7Sderaadt __END_DECLS
49df930be7Sderaadt 
50df930be7Sderaadt /* Values for dlopen `mode'. */
51df930be7Sderaadt #define DL_LAZY		1
52df930be7Sderaadt #define RTLD_LAZY	DL_LAZY		/* SunOS Compat */
53df930be7Sderaadt 
54df930be7Sderaadt /*
55df930be7Sderaadt  * dlctl() commands
56df930be7Sderaadt  */
57df930be7Sderaadt #define DL_GETERRNO	1
58df930be7Sderaadt #define DL_SETSRCHPATH	x
59df930be7Sderaadt #define DL_GETLIST	x
60df930be7Sderaadt #define DL_GETREFCNT	x
61df930be7Sderaadt #define DL_GETLOADADDR	x
62*be7ded7eSmarc #define DL_SETTHREADLCK	2
63df930be7Sderaadt 
64df930be7Sderaadt #endif /* _DLFCN_H_ */
65