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Diffstat (limited to 'libguile/dynl-dl.c')
-rw-r--r-- | libguile/dynl-dl.c | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/libguile/dynl-dl.c b/libguile/dynl-dl.c index cbefefe10..e69de29bb 100644 --- a/libguile/dynl-dl.c +++ b/libguile/dynl-dl.c @@ -1,122 +0,0 @@ -/* dynl-dl.c - dynamic linking for dlopen/dlsym - * - * Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998 Free Software Foundation, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this software; see the file COPYING. If not, write to - * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, - * Boston, MA 02111-1307 USA - * - * As a special exception, the Free Software Foundation gives permission - * for additional uses of the text contained in its release of GUILE. - * - * The exception is that, if you link the GUILE library with other files - * to produce an executable, this does not by itself cause the - * resulting executable to be covered by the GNU General Public License. - * Your use of that executable is in no way restricted on account of - * linking the GUILE library code into it. - * - * This exception does not however invalidate any other reasons why - * the executable file might be covered by the GNU General Public License. - * - * This exception applies only to the code released by the - * Free Software Foundation under the name GUILE. If you copy - * code from other Free Software Foundation releases into a copy of - * GUILE, as the General Public License permits, the exception does - * not apply to the code that you add in this way. To avoid misleading - * anyone as to the status of such modified files, you must delete - * this exception notice from them. - * - * If you write modifications of your own for GUILE, it is your choice - * whether to permit this exception to apply to your modifications. - * If you do not wish that, delete this exception notice. */ - -/* "dynl.c" dynamically link&load object files. - Author: Aubrey Jaffer - Modified for libguile by Marius Vollmer */ - -#include <dlfcn.h> - -#ifdef RTLD_LAZY /* Solaris 2. */ -# define DLOPEN_MODE RTLD_LAZY -#else -# define DLOPEN_MODE 1 /* Thats what it says in the man page. */ -#endif - -#ifndef RTLD_GLOBAL /* Some systems have no such flag. */ -# define RTLD_GLOBAL 0 -#endif - -static void * -sysdep_dynl_link (fname, flags, subr) - const char *fname; - int flags; - const char *subr; -{ - void *handle = dlopen (fname, (DLOPEN_MODE - | ((flags & DYNL_GLOBAL)? RTLD_GLOBAL : 0))); - if (NULL == handle) - { - SCM_ALLOW_INTS; - scm_misc_error (subr, (char *)dlerror (), SCM_EOL); - } - return handle; -} - -static void -sysdep_dynl_unlink (handle, subr) - void *handle; - const char *subr; -{ - if (dlclose (handle)) - { - SCM_ALLOW_INTS; - scm_misc_error (subr, (char *)dlerror (), SCM_EOL); - } -} - -static void * -sysdep_dynl_func (symb, handle, subr) - const char *symb; - void *handle; - const char *subr; -{ - void *fptr; - char *err; -#if defined(USCORE) && !defined(DLSYM_ADDS_USCORE) - char *usymb; -#endif - -#if defined(USCORE) && !defined(DLSYM_ADDS_USCORE) - usymb = (char *) malloc (strlen (symb) + 2); - *usymb = '_'; - strcpy (usymb + 1, symb); - fptr = dlsym (handle, usymb); - free (usymb); -#else - fptr = dlsym (handle, symb); -#endif - - err = (char *)dlerror (); - if (!fptr) - { - SCM_ALLOW_INTS; - scm_misc_error (subr, err? err : "symbol has NULL address", SCM_EOL); - } - return fptr; -} - -static void -sysdep_dynl_init () -{ -} |