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Merge branch 'darwin-rtld_local-fix' into 'main'

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gmodule-dl: fix G_MODULE_BIND_LOCAL on Darwin

See merge request GNOME/glib!4154
This commit is contained in:
Philip Withnall 2024-07-11 14:11:19 +00:00
commit 1b7336583c
2 changed files with 38 additions and 1 deletions
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2
gmodule/gmodule-dl.c
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@ -136,7 +136,7 @@ _g_module_open (const gchar *file_name,
lock_dlerror ();
handle = dlopen (file_name,
(bind_local ? 0 : RTLD_GLOBAL) | (bind_lazy ? RTLD_LAZY : RTLD_NOW));
(bind_local ? RTLD_LOCAL : RTLD_GLOBAL) | (bind_lazy ? RTLD_LAZY : RTLD_NOW));
if (!handle)
{
const gchar *message = fetch_dlerror (TRUE);

37
gmodule/tests/module-test.c
View File

@ -233,6 +233,42 @@ test_module_invalid_libtool_archive (void)
g_free (la_filename);
}
static void
test_local_binding (void)
{
gchar *plugin = NULL;
GModule *module_plugin = NULL, *module_self = NULL;
GError *error = NULL;
gboolean found_symbol = FALSE;
gpointer symbol = NULL;
g_test_summary ("Test that binding a library's symbols locally does not add them globally");
#if defined(G_PLATFORM_WIN32)
g_test_skip ("G_MODULE_BIND_LOCAL is not supported on Windows.");
return;
#endif
plugin = g_test_build_filename (G_TEST_BUILT, MODULE_FILENAME_PREFIX "moduletestplugin_a_" MODULE_TYPE, NULL);
module_plugin = g_module_open_full (plugin, G_MODULE_BIND_LOCAL, &error);
g_assert_no_error (error);
g_assert_nonnull (module_plugin);
module_self = g_module_open_full (NULL, 0, &error);
g_assert_no_error (error);
g_assert_nonnull (module_self);
found_symbol = g_module_symbol (module_self, "gplugin_say_boo_func", &symbol);
g_assert_false (found_symbol);
g_assert_null (symbol);
g_module_close (module_self);
g_module_close (module_plugin);
g_free (plugin);
}
int
main (int argc, char *argv[])
{
@ -240,6 +276,7 @@ main (int argc, char *argv[])
g_test_add_func ("/module/basics", test_module_basics);
g_test_add_func ("/module/invalid-libtool-archive", test_module_invalid_libtool_archive);
g_test_add_func ("/module/local-binding", test_local_binding);
return g_test_run ();
}