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dlfcn.h revision 1.3 
      1 /*	$NetBSD: dlfcn.h,v 1.3 1997/01/02 11:13:19 pk Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1995 Paul Kranenburg
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *      This product includes software developed by Paul Kranenburg.
     18  * 4. The name of the author may not be used to endorse or promote products
     19  *    derived from this software withough specific prior written permission
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #ifndef _DLFCN_H_
     34 #define _DLFCN_H_
     35 
     36 #include <sys/cdefs.h>
     37 
     38 /*
     39  * User interface to the run-time linker.
     40  */
     41 __BEGIN_DECLS
     42 extern void	*dlopen __P((const char *, int));
     43 extern int	dlclose __P((void *));
     44 extern void	*dlsym __P((void *, const char *));
     45 extern int	dlctl __P((void *, int, void *));
     46 extern char	*dlerror __P((void));
     47 __END_DECLS
     48 
     49 /* Values for dlopen `mode'. */
     50 #define RTLD_LAZY	1
     51 #define RTLD_NOW	2
     52 #define DL_LAZY		RTLD_LAZY		/* Compat */
     53 
     54 /*
     55  * dlctl() commands
     56  */
     57 #define DL_GETERRNO	1
     58 #define DL_SETSRCHPATH	x
     59 #define DL_GETLIST	x
     60 #define DL_GETREFCNT	x
     61 #define DL_GETLOADADDR	x
     62 
     63 #endif /* _DLFCN_H_ */
     64