diff options
Diffstat (limited to 'elf/tst-nodelete-dlclose-dso.c')
-rw-r--r-- | elf/tst-nodelete-dlclose-dso.c | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/elf/tst-nodelete-dlclose-dso.c b/elf/tst-nodelete-dlclose-dso.c deleted file mode 100644 index 4042c78b8a..0000000000 --- a/elf/tst-nodelete-dlclose-dso.c +++ /dev/null @@ -1,90 +0,0 @@ -/* Bug 11941: Improper assert map->l_init_called in dlclose. - Copyright (C) 2016-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C 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 2.1 of the License, or (at your option) any later version. - - The GNU C 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 the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -/* This is the primary DSO that is loaded by the appliation. This DSO - then loads a plugin with RTLD_NODELETE. This plugin depends on this - DSO. This dependency chain means that at application shutdown the - plugin will be destructed first. Thus by the time this DSO is - destructed we will be calling dlclose on an object that has already - been destructed. It is allowed to call dlclose in this way and - should not assert. */ -#include <stdio.h> -#include <stdlib.h> -#include <dlfcn.h> - -/* Plugin to load. */ -static void *plugin_lib = NULL; -/* Plugin function. */ -static void (*plugin_func) (void); -#define LIB_PLUGIN "tst-nodelete-dlclose-plugin.so" - -/* This function is never called but the plugin references it. - We do this to avoid any future --as-needed from removing the - plugin's DT_NEEDED on this DSO (required for the test). */ -void -primary_reference (void) -{ - printf ("INFO: Called primary_reference function.\n"); -} - -void -primary (void) -{ - char *error; - - plugin_lib = dlopen (LIB_PLUGIN, RTLD_NOW | RTLD_LOCAL | RTLD_NODELETE); - if (plugin_lib == NULL) - { - printf ("ERROR: Unable to load plugin library.\n"); - exit (EXIT_FAILURE); - } - dlerror (); - - plugin_func = (void (*) (void)) dlsym (plugin_lib, "plugin_func"); - error = dlerror (); - if (error != NULL) - { - printf ("ERROR: Unable to find symbol with error \"%s\".", - error); - exit (EXIT_FAILURE); - } - - return; -} - -__attribute__ ((destructor)) -static void -primary_dtor (void) -{ - int ret; - - printf ("INFO: Calling primary destructor.\n"); - - /* The destructor runs in the test driver also, which - hasn't called primary, in that case do nothing. */ - if (plugin_lib == NULL) - return; - - ret = dlclose (plugin_lib); - if (ret != 0) - { - printf ("ERROR: Calling dlclose failed with \"%s\"\n", - dlerror ()); - exit (EXIT_FAILURE); - } -} |