Return to dlfcn.h CVS log

Up to [local] / src / include

Annotation of src/include/dlfcn.h, Revision 1.11

1.11    ! jason       1: /*     $OpenBSD: dlfcn.h,v 1.10 2007/05/05 15:21:21 drahn Exp $        */
1.1       deraadt     2: /*     $NetBSD: dlfcn.h,v 1.2 1995/06/05 19:38:00 pk Exp $     */
                      3:
                      4: /*
                      5:  * Copyright (c) 1995 Paul Kranenburg
                      6:  * All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  * 3. All advertising materials mentioning features or use of this software
                     17:  *    must display the following acknowledgement:
                     18:  *      This product includes software developed by Paul Kranenburg.
                     19:  * 4. The name of the author may not be used to endorse or promote products
1.6       deraadt    20:  *    derived from this software without specific prior written permission
1.1       deraadt    21:  *
                     22:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     23:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     24:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     25:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     26:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     27:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     28:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     29:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     30:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     31:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     32:  */
                     33:
                     34: #ifndef _DLFCN_H_
                     35: #define _DLFCN_H_
                     36:
                     37: #include <sys/cdefs.h>
                     38:
                     39: /*
1.9       drahn      40:  * Structure filled in by dladdr().
                     41:  */
                     42: typedef        struct dl_info {
                     43:        const char      *dli_fname;     /* Pathname of shared object. */
                     44:        void            *dli_fbase;     /* Base address of shared object. */
                     45:        const char      *dli_sname;     /* Name of nearest symbol. */
                     46:        void            *dli_saddr;     /* Address of nearest symbol. */
                     47: } Dl_info;
                     48:
                     49: /*
1.1       deraadt    50:  * User interface to the run-time linker.
                     51:  */
                     52: __BEGIN_DECLS
1.5       millert    53: extern void    *dlopen(const char *, int);
                     54: extern int     dlclose(void *);
                     55: extern void    *dlsym(void *, const char *);
                     56: extern int     dlctl(void *, int, void *);
                     57: extern const char      *dlerror(void);
1.9       drahn      58: extern int     dladdr(const void *, Dl_info *);
1.1       deraadt    59: __END_DECLS
                     60:
                     61: /* Values for dlopen `mode'. */
1.8       drahn      62: #define RTLD_LAZY      1
                     63: #define RTLD_NOW       2
                     64: #define RTLD_GLOBAL    0x100
                     65: #define RTLD_LOCAL     0x000
                     66: #define        DL_LAZY         RTLD_LAZY       /* Compat */
1.11    ! jason      67: #define RTLD_TRACE     0x200
1.9       drahn      68:
                     69: /*
                     70:  * Special handle arguments for dlsym().
                     71:  */
                     72: #define        RTLD_NEXT       ((void *) -1)   /* Search subsequent objects. */
                     73: #define        RTLD_DEFAULT    ((void *) -2)   /* Use default search algorithm. */
                     74: #define        RTLD_SELF       ((void *) -3)   /* Search the caller itself. */
1.1       deraadt    75:
                     76: /*
                     77:  * dlctl() commands
                     78:  */
                     79: #define DL_GETERRNO    1
                     80: #define DL_SETSRCHPATH x
                     81: #define DL_GETLIST     x
                     82: #define DL_GETREFCNT   x
                     83: #define DL_GETLOADADDR x
1.7       marc       84: #define DL_SETTHREADLCK        2
1.10      drahn      85: #define DL_SETBINDLCK  3
1.1       deraadt    86:
                     87: #endif /* _DLFCN_H_ */