+++ /dev/null
-/* GMODULE - GLIB wrapper code for dynamic module loading
- * Copyright (C) 1998, 2000 Tim Janik
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-/*
- * Modified by the GLib Team and others 1997-2000. See the AUTHORS
- * file for a list of people on the GLib Team. See the ChangeLog
- * files for a list of changes. These files are distributed with
- * GLib at ftp://ftp.gtk.org/pub/gtk/.
- */
-
-/*
- * MT safe
- */
-#include "config.h"
-
-#include <dlfcn.h>
-
-/* Perl includes <nlist.h> and <link.h> instead of <dlfcn.h> on some systmes? */
-
-
-/* dlerror() is not implemented on all systems
- */
-#ifndef G_MODULE_HAVE_DLERROR
-/* could we rely on errno's state here? */
-# define dlerror() "unknown dl-error"
-#endif /* G_MODULE_HAVE_DLERROR */
-
-/* some flags are missing on some systems, so we provide
- * harmless defaults.
- * The Perl sources say, RTLD_LAZY needs to be defined as (1),
- * at least for Solaris 1.
- *
- * Mandatory:
- * RTLD_LAZY - resolve undefined symbols as code from the dynamic library
- * is executed.
- * RTLD_NOW - resolve all undefined symbols before dlopen returns, and fail
- * if this cannot be done.
- * Optionally:
- * RTLD_GLOBAL - the external symbols defined in the library will be made
- * available to subsequently loaded libraries.
- */
-#ifndef RTLD_GLOBAL
-#define RTLD_GLOBAL 0
-#endif /* RTLD_GLOBAL */
-#ifndef RTLD_LAZY
-#define RTLD_LAZY 1
-#endif /* RTLD_LAZY */
-#ifndef RTLD_NOW
-#define RTLD_NOW 0
-#endif /* RTLD_NOW */
-
-
-/* --- functions --- */
-static gpointer
-_g_module_open (const gchar *file_name,
- gboolean bind_lazy,
- gboolean bind_local)
-{
- gpointer handle;
-
- handle = dlopen (file_name,
- (bind_local ? 0 : RTLD_GLOBAL) | (bind_lazy ? RTLD_LAZY : RTLD_NOW));
- if (!handle)
- g_module_set_error (dlerror ());
-
- return handle;
-}
-
-static gpointer
-_g_module_self (void)
-{
- gpointer handle;
-
- /* to query symbols from the program itself, special link options
- * are required on some systems.
- */
-
- /* XXX, not supported */
- handle = NULL;
- g_module_set_error ("module handle for self not supported");
-
- return handle;
-}
-
-static void
-_g_module_close (gpointer handle,
- gboolean is_unref)
-{
- /* are there any systems out there that have dlopen()/dlclose()
- * without a reference count implementation?
- */
- is_unref |= 1;
-
- if (is_unref)
- {
- /* XXX, no return code */
- dlclose (handle);
- }
-}
-
-static gpointer
-_g_module_symbol (gpointer handle,
- const gchar *symbol_name)
-{
- gpointer p;
-
- p = dlsym (handle, symbol_name);
- if (!p)
- g_module_set_error (dlerror ());
-
- return p;
-}
-
-static gchar*
-_g_module_build_path (const gchar *directory,
- const gchar *module_name)
-{
- gchar *suffix = strrchr(module_name, '.');
- if (directory && *directory)
- if (suffix && (stricmp (suffix, ".dll") == 0))
- return g_strconcat (directory, "/", module_name, NULL);
- else
- return g_strconcat (directory, "/", module_name, ".dll", NULL);
- else if (suffix && (stricmp (suffix, ".dll") == 0))
- return g_strdup (module_name);
- else
- return g_strconcat (module_name, ".dll", NULL);
-}
projects / platform / upstream / glib.git / commitdiff