/* Test that dlopen preserves already accessed TLS (bug 31717). Variant with initially-linked modules. Copyright (C) 2024 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 <https://www.gnu.org/licenses/>. */ #include <ctype.h> #include <stdbool.h> #include <support/check.h> #include <support/xdlfcn.h> static int do_test (void) { /* Defined in tst-dlopen-tlsreinitmod3.so. */ extern bool tlsreinitmod3_tested; TEST_VERIFY (tlsreinitmod3_tested); /* This crashes if the libc.so.6 TLS image has been reverted. */ TEST_VERIFY (!isupper ('@')); return 0; } #include <support/test-driver.c>